- freely available
Healthcare 2013, 1(1), 20-52; doi:10.3390/healthcare1010020
Published: 25 July 2013
Abstract: So far, the very meaning of health and therefore, treatment and rehabilitation is benchmarked to the normal or species-typical body. We expect certain abilities in members of a species; we expect humans to walk but not to fly, but a bird we expect to fly. However, increasingly therapeutic interventions have the potential to give recipients beyond species-typical body related abilities (therapeutic enhancements, TE). We believe that the perfect storm of TE, the shift in ability expectations toward beyond species-typical body abilities, and the increasing desire of health consumers to shape the health system will increasingly influence various aspects of health care practice, policy, and scholarship. We employed qualitative and quantitative methods to investigate among others how human enhancement, neuro/cognitive enhancement, brain machine interfaces, and social robot discourses cover (a) healthcare, healthcare policy, and healthcare ethics, (b) disability and (c) health consumers and how visible various assessment fields are within Neuro/Cogno/Human enhancement and within the BMI and social robotics discourse. We found that health care, as such, is little discussed, as are health care policy and ethics; that the term consumers (but not health consumers) is used; that technology, impact and needs assessment is absent; and that the imagery of disabled people is primarily a medical one. We submit that now, at this early stage, is the time to gain a good understanding of what drives the push for the enhancement agenda and enhancement-enabling devices, and the dynamics around acceptance and diffusion of therapeutic enhancements.
Health and health care technologies have constantly impacted health and health care and are seen in need of policies to govern them [1,2,3,4,5,6,7,8,9]. Health and health care technology, and the policies around them, so far, are based on a meaning of health (and therefore health care) that is benchmarked to the normal or species-typical body. However an increasing amount of therapeutic interventions have the potential to move beyond their restorative purpose and give recipients beyond species-typical body abilities (therapeutic enhancement, TE). To clarify, we do not understand TE to mean enhancement from a sub-species typical level to the species-typical level (restoration) nor incremental changes to the abilities of the body within the species-typical variation range. We are interested in the cases where TE leads to whole new abilities not possible for humans. The bionic cheetah legs of Paralympic athlete Oscar Pistorius [10,11,12,13] are just one example of therapeutic devices with TE potential (they are not there yet, but might enable beyond species-typical abilities down the road). Other envisioned therapeutic devices that could lead to TE are artificial and cyborg organs , artificial hippocampus  (an implanted chip that acts as a repository for the memory we generate), brain machine/brain computer interfaces , sub-vocal speech devices , social robots , sensors embedded in health technologies , and drugs and devices used for neuro and cognitive enhancement [20,21,22]. Cochlear implants or hearing aids, might eventually lead to beyond species-typical hearing .
We submit real TEs are enabling a paradigm shift as to the meaning of health and body ability expectations  where we see the move toward a sentiment that links being healthy to having obtained more than species-typical abilities, abolishing, as a consequence, the species-typical framework of reference evident in medicine up to today [9,25,26]. Another consequence already evident is the appearance of an enhancement form of ableism (ability one sees as essential) that expects beyond species-typical abilities of humans .
TEs will have various impacts on the health care system and the policies around them. Both potential users and producers might lobby, among others, for the field of enhancement medicine and changes in health insurance plans and healthcare delivery . New health practitioner jobs might be created such as “body engineers” (people who design bodies around enhanced abilities) and the job description of other health practitioners might change; for example speech therapy might not be about training a person verbal speech any more but about how to transmit thought through other devices.
However, so far mostly non-therapeutic performance enhancements are debated by policy makers, scientists and laypeople with various ethicists arguing for the legalization of various forms of enhancements . Therapeutic enhancements as such are rarely questioned and their impact is rarely discussed . A 2009 “Human Performance Study”, written for the Directorate General for internal policies, Policy Dept. A: Economic and Scientific Policy Science and Technology Options Assessments of the European Parliament, concluded that human enhancements would put a strain on social solidarity and on healthcare systems and might impact health budgets . The report noted that no platform exists in Europe for monitoring and discussing human enhancement issues and for bridging the gap between the needs and the concerns of the broader public and the practitioners and experts . Therefore our study investigated the following research question: how is healthcare and related areas such as health care policy, ethics, public health, and evidence-based medicine discussed around TE?
Various types of assessment discourses such as health technology assessment (HTA) [29,30,31,32,33,34,35], health impact assessment (HIA) [36,37,38,39], health needs assessment [33,40,41], social impact assessment (SIA) [42,43,44], parliamentary technology assessment (PTA) [45,46,47], and participatory technology assessment [48,49] exist with the mandate to investigate health technologies. Our study looked at which forms of assessment covered various therapeutic enhancement discourses and products.
People increasingly demand that they can shape scientific and technological research and development [48,50,51,52,53,54,55] and the same demands are also apparent within the health care intervention area [52,56,57,58,59]. As it is stated by Ableson, Giacomini, Lehoux, and Gauvin (2007), “a growing consumerist orientation to health care policy routinely draws health system “users” into consultations, evaluations and decision-making processes about health technology by health planners and managers” . Therefore our study investigated the visibility of TE discourses and products in the health consumer discourse and whether the different TE discourses talk about health consumerism.
Finally, disabled people are at the forefront of TE. It is anticipated by disabled people  and others  that non-disabled people will desire the use of many therapeutic enhancements, especially if they are removable and non-invasive, and that therapeutics that enable enhancements beyond the species-typical might be obtained and marketed within and outside of the health system. Therefore our study looked at the imagery and involvement of disabled people in the discourse around TE.
2. Experimental Section
2.1. Theoretical Framework
Disability Studies is one lens through which we investigated the literature. Disability Studies is an interdisciplinary/multidisciplinary academic discipline that investigates the situation disabled people face, which includes the investigation of their imagery and involvement in existing discourses [62,63].
A participatory framework [56,57,58,64,65,66,67,68,69,70,71,72] was used to look at the narrative around the consumer in general and health consumer in particular. A technology assessment lens was used to look at the assessment of TE including terms such as evidence and evidence-based, as evidence is needed for assessment. Using a health care governance lens, we focused on how health care was mentioned in the documents, what guidance for health care governance was evident within the narrative of health policy and health ethics.
2.2. Data Sources
2.2.1. Brain Machine Interface (BMI)
The following databases were searched in July 2012 for BMI literature through the University of Calgary: ScienceDirect, Scopus, OVID (All), EBSCO (All), Web of Science, and JSTOR. From this search, 1058 articles were found and imported into Knowledge Share (KSv2) version 2.1.3 . This tool was used to systematically review the literature by process of inclusion/exclusion based on the following criteria—include: full PDF available articles, written in the English language; exclude: books, conference announcements, and purely technical articles. With an abstracts Kappa score (the primary and secondary researcher agreement) of 0.99, 6.7% (n = 71) of the articles fulfilled the criteria and were included for review. The coding process was performed using the qualitative data analysis and research software, ATLAS.ti© version 7.0.75. The literature underwent separate analysis by two researchers in Atlas.ti 7 to increase the reliability of our findings.
2.2.2. Social Robotics
Academic articles covering social robotics were searched in May 2012 and imported into Knowledge Share ver. 2.1.3 (KSv2) . We searched the following databases (provided by the University of Calgary): Science Direct, Compendex, IEEE, Communication Abstracts, Scopus, OVID (All), EBSCO (All), Academic One File, Web of Science, and JSTOR. 489 articles were imported into Knowledge Share , and using the same inclusion/exclusion criteria as for the BMI literature, we included n = 171 articles in the review (34.9%). The Kappa factor (reviewer agreement) was 0.88. Articles were coded using Atlas.ti 7 qualitative data analysis software. The literature underwent separate analysis by two researchers in Atlas.ti 7 to increase the reliability of our findings.
2.2.3. Neuroenhancement, Cognitive Enhancement, Human Enhancement
This literature was collect in June 2012 from JSTOR, ScienceDirect, PubMed, EBSCO (All), Web of Science and Scopus (Elsevier) and imported into KnowledgeShare . These articles were found using the terms “neuroenhancement”, or “cognitive enhancement”, or “human enhancement”. Inclusion criteria were: full-text English, and addressing neuro/cognitive/human enhancements within humans in a non-rehabilitative fashion; that is, the enhancements that are being used to increase capabilities above what is considered to be “normal”. Articles were reviewed for inclusion separately by two researchers. Using the initial keyword search, we found 1,022 articles for cognitive enhancement, 361 for neuroenhancement, and 373 for human enhancement. A Kappa factor of 0.79 for the articles found using the phrase “cognitive enhancement”, 0.90 for articles with the term “neuroenhancement” and 0.92 for articles with the term “human enhancement” were obtained between the two researchers. Any disagreements were addressed individually until a consensus could be reached for the article in question between the two researchers. Once inclusion and exclusion criteria were applied and duplicates were deleted, 82 articles (8.0%) for cognitive enhancement, 61 (16.8%) for neuroenhancement, and 40 (10.7%) for human enhancement underwent content analysis using Atlas.ti software. Articles then underwent thematic analysis, wherein the texts were coded for content related to the research questions. The literature underwent separate analysis by two researchers in Atlas.ti 7 to increase the reliability of our findings.
We used ATLAS.ti©, a qualitative data analysis software (CAQDAS) [74,75], for generating qualitative and quantitative data. ATLAS.ti© allows the researcher to analyze imported sources of data that can consists of PDF, Word, html, audio, and video files. After all sources were imported into ATLAS.ti© we performed hermeneutical keyword coding. We employed various coding strategies, one being a deductive strategy where we used a set of predetermined terms fitting the coding analytical frameworks employed and the research questions. This list was a starting point but by no means the endpoint. The list was used as a starting point for using the auto-code function of ATLAS.ti©, which allows one to search all the documents of each research sub-project for a given word. For example all our sources were searched for the terms “impairment” and “disab*” (catching disabled, disability, disabilities) allowing us to analyze the imagery of disabled people in the documents of the different discourses we investigated.
We also employed an inductive and iterative coding strategy, in which articles were read and when a theme was identified we used the free coding option to generate new themes. Free coded themes are added to the coding list.
For any given source at least two authors performed the coding to increase reliability, and differences were resolved during our discussions.
Following coding we used ATLAS.ti© to generate the frequency of certain themes (quantitative data) and to describe in a narrative way the content linked to the themes (qualitative data).
In the case of BMI, social robotics, and neuro/cognitive enhancements, other terms exist that also could lead to applicable results; namely, we could have excluded terms such as human machine interface into the BMI analysis and we could have used terms such as companion robots to add to the social robotics literature.
3. Results and Discussion
3.1. Quantitative Data of the Themes Covered in Section 3
The results shown in Table 1 highlight that certain terms relevant to the healthcare discourse are hardly covered in the literature we investigated, and some are covered unevenly between the different discourses. To highlight a few areas: although 85.9% of the BMI literature mentioned the term “patient”, thereby indicating a medical focus of the articles, healthcare only showed up in 9.8%, and healthcare ethics, healthcare policy, health consumer, health ethics, and health policy did not show up at all. Given that patients obtain their treatment through the health care system, we submit it being problematic that the healthcare system is not a topic of engagement. This problem, outlined for BMI articles, also exists for the social robotics and human enhancement and neuro/cogno enhancement literature as Table 1 shows. Another troubling issue exists with the low frequency of the term “evidence based”, given that health care interventions should be provided based on solid evidence. Finally, technology assessment is seen as a framework that can ascertain the usefulness of a given technology and its impact; however, Table 1 indicates that technology assessment is not an issue as of yet. Many of the issues evident from the results in Table 1 are expanded upon in different sections using qualitative data we obtained to deepen the points.
|Health care discourse relevant Terms||Human enhancement (n = 40 article = 100%)||Neuro- enhancement (n = 61 article = 100%)||Cognitive enhancement (n = 82 article = 100%)||Brain machine interface (n = 71 article = 100%)||Social robotics (n = 171 article = 100%)|
|Count (%)||Count (%)||Count (%)||Count (%)||Count (%)|
|Health care or Healthcare||25.0||26.2||13.4||9.8||8.7|
3.2. Qualitative Data: How Are Health Care and Some Linked Issues Discussed?
184.108.40.206. Health Care
The issue of health care was mentioned in n = 16 articles. One article linked the “increasing demand for a competitive ‘edge’ to maximize skill-driven, technologically nested social incentives in which cognitive abilities like memory, attention, alertness, and mood are judged to ‘make a difference’ ” to an increase in value and public acceptance which in turn is seen to lead to a “progressive desire for ‘neuroenhancement’ among the young” . This dynamics is seen to require an exchange of views “among researchers, healthcare practitioners, ethicists, the public, and those who inﬂuence and enact guidelines and policies” . Another article highlights that various people, visible in the neuroenhancement discourse, have labeled neuroenhancement as legitimate health care ; another recommended that “health care systems and pharmacies should institute systems to monitor the quantity and location of requests for neuroenhancers to avoid abuse and monitor total dosage” .
Searching the articles for the term “disab*” which covers disability, disabled, and disabilities led to n = 9 articles, while impairment led to n = 18 articles. All but one article used these two terms to simply highlight a medical “condition”, a deviance from “normal” abilities and bodies.
Only one article, although still thinking in terms of deviance, covered a social dynamic namely the possibility that neuroenhancement may lead to a change in the concept of “normal” and lower tolerance of cognitive and other differences and disabilities seen as deficient .
220.127.116.11. Health Care Policy and Ethics
The articles that looked at neuroenhancement (n = 62) in general had various policy concerns that we see to fall also under health policy issues. With respect to health policies for neuroenhancement, it is mentioned that policies have to be broader than individual-level use  and have to consider the impact on identity of the consumer  as well as the wider social and personal functioning/values affected by neuroenhancement . It is suggested that access should favour the disadvantaged and make it more difficult for the advantaged . It is believed that policy-makers must make accurate, comprehensive knowledge about neuroenhancements available to the general public  in order for the public to make up their minds . Singh and Kelleher, for example, make a case that more research and evidence, particular in terms of prevalence, safety and efficacy is needed . They believe that neuroenhancers should be monitored by Pharmacies and health care facilities as a means to mitigate abuse. Self-perception (before and after) and social coercion (before) should be measured to limit it as a motivator for enhancing . Clinical and social effect should be documented and researched . Neurologists should have the right to refuse prescribing neuro-enhancements  and prescription of neuroenhancing drugs should be strictly based on harm/benefit ratio .
In terms of wider policy issues that could stretch beyond health policy, various concerns are raised. Some perceive policies of banning neuroenhancements as coercive and paternalistic  and called neuro-enhancements policy decisions premature  because policy may have poor basis because of inflationary claims about neuroenhancement in the media [20,89]. Singh and Kelleher suggest that schools/teachers should not be allowed to attempt to coerce parents into giving their children neuroenhancers and should receive ethical training, and that use of neuroenhancers with abuse potential should be limited .
3.2.2. Cognitive Enhancement
18.104.22.168. Health Care
Twelve articles mentioned the term health care whereby one article made the argument that new enhancement options not be banned but that their appearance is linked to inequality-reducing measures, which the authors suggest could be “making the enhancement available via public health care at an affordable price” . Another article concluded that “multidisciplinary, empirical research on attitudes toward cognitive enhancement is essential to a more informed ethical debate that will shape the responses of health care professionals, policymakers, and the general public to the use of stimulants and other pharmaceutical drugs for cognitive enhancement” . Outram et al. outlined their effort to develop public health approaches to cognitive enhancement, which depend on much better quality and quantity of data .
Twelve articles mentioned disability, all but two with medical connotation, and the ones with no medical connotation were using disabled people to sell enhancement. One article stated: “Anita Silvers, the prominent San Francisco State University-based bioethicist and disability-rights advocate, writes that such modifications are a basic human right and the very ‘essence of freedom’ ” .
Another one gave voice to the paraplegic Journalist John Hockenberry who supports various assistive technologies some of which are classified in the article as cognitive enhancements (such as BMI) . Three articles highlight the benefits of enhancements to disabled people. One article quoted Cyberkinetics company (BMI producers) spokesperson, “we can help people who are disabled become super able in a new sense” ; a second one ascertained that “technologies will continue to be developed and refined, offering disabled users greater access and control over their lives”  and a third mused that “germ-line enhancement might lead to better treatment of people with disabilities, because a general demystification of the genetic contributions to human traits could make it clearer that people with disabilities are not to blame for their disabilities and a decreased incidence of some disabilities could lead to more assistance being available for the remaining affected people to enable them to live full, unrestricted lives through various technological and social supports” .
22.214.171.124. Health Care Policy and Ethics
As to policies mentioned in the cognitive enhancement discourse (n = 82 articles), it is believed that if policies are made it has to be before the technologies are fully developed . These policies transcend the health policy level and reach into broader societal issues. It is mentioned that in order to maximise autonomy, direct or indirect coercion has to be limited . It is recognized that policy-makers need to acknowledge that cognitive enhancements are not just individually valued, but can contribute to greater social goals and values and it is suggested that policy should be based off of risk, suggesting that if the risk is not more than other activities done for leisure, then it could be made available with the appropriate warnings . Some suggest that wider social implications have to be considered , that it should be children’s and not the parents’ decision to take cognitive enhancers and that youth therefore have to be involved in the policy process . Various thoughts emerged around the topic of evidence. These included the epidemiological evidence approach, risk/benefit approach, and historical/social context approach of policy development . Various suggestions were made focusing more directly on the health aspect of cognitive enhancement. High-quality evidence on the use of stimulants for enhancement in order to formulate policy is seen as needed , but at the same time it is feared that sound evidence is not accessible and that research is needed on the average person’s attitude toward cognitive enhancement . Some think about different risk benefit levels  and suggest that if benefits outweigh risks, the government should consider subsidizing the cost of cognitive enhancements for individuals . One study suggests that we should not cognitively enhance beyond the normal because it could endanger our survival .
3.2.3. Human Enhancement
126.96.36.199. Health Care
Eleven articles mentioned the term health care. Notably, one concluded that it is important to make a distinction between enhancement and therapy because it helps “to deﬁne the proper goals of medicine and biomedical research” and it helps “to determine the limits of the health care payment system (what should be reimbursed?)” . One article contended that Human growth hormone treatments for the elderly could dramatically affect health care . Another article gave voice to the argument against enhancements that “result in serious health risks” and “take resources away from basic health care provisions” .
188.8.131.52. Health Care Policy and Ethics
As to the issues mentioned in the n = 40 articles covering human enhancement, 5 mentioned health policy. It is felt that ordinary citizens should be involved in the debate and policy making ; that policymakers need to acknowledge moral and scientific assumptions from genetic determinists, and should make the distinction between what science can and ought to do ; that traditional medical ethics can’t capture all of the relevant variables to do with human enhancement and that policymakers need to consider wider social implications ; that biogerontology may be a useful model to draw from when formulating human enhancement policy ; and that knowledge, other than scientific evidence, may be appropriate when making policy .
3.2.4. Brain Machine Interface (BMI)
Of the 1,058 BMI articles, 987 discussed purely technical issues such as the merit of invasive versus non-invasive approaches to BMI, the different signals used to measure brain activity and the effectiveness (or ineffectiveness) of the different approaches. On the application side, articles focused mainly on medical/therapeutic needs—patients with disabling conditions such as: Amyotrophic Lateral Sclerosis (ALS), Parkinson’s disease, spinal cord injuries, and Cerebral Palsy. Discussion about human enhancement was, if mentioned, linked to application in the military, space and gaming/entertainment and not linked to therapeutic interventions. However, if enhancements are possible within military applications it seems reasonable to assume that enhancements could also be obtained by people using BMI as therapeutics. Only 6.7% (n = 71) article covered non-technical aspects. We submit that this is rather underwhelming coverage.
184.108.40.206. Health Care
Of these, 9.8% mentioned healthcare, although there was limited in-depth discussion about the implications of BMI technology for healthcare systems and healthcare in general. Some articles mentioned that health care professionals and researchers have an interest in BMI [113,114,115], while others pointed out that BMI technologies for health applications most often come as “hand-me-downs” from other industries . Some healthcare challenges were mentioned, such as the high expectations of patients and their limited understanding of the risks and benefits of BMI , and resistance to technological eldercare, even though this is predicted to reduce healthcare costs of eldercare . In general, healthcare or health systems considerations were not the primary focus of these articles, but were mentioned only in passing.
Nearly 40% of articles discuss people with disabilities as the main target for BMI intervention; most conceptualize people with disabilities as patients in need of a means to improve communication [119,120,121,122], and motor skills [121,123,124,125]. The common theme among these articles is the desire to give physically disabled people a “quasi-normal life” .
220.127.116.11. Health Care Policy and Ethics
As to health policy, only one article looked at health policy/health care policy . The following is covered in this article as policy challenges:
“to ensure adequate safeguards, regulation and transparency to support a society of increasingly cognitively resourceful individuals, and also to moderate unrealistic expectations of infallibility”
discussed how public policy and regulations can:
contribute to inequality by “driving up costs, limiting access and creating black markets”
reduce inequality by “supporting broad development, competition, public understanding and perhaps subsidized access for disadvantaged groups”
discussed the obstacles to develop and use cognitive enhancements:
licensing drugs and medical treatments: the system is geared toward dealing with traditional medicine for treatment, cure, prevention, diagnoses, or alleviation of disease. Medicine to enhance the human body is not within the framework. Access to enhancers then become dependent on individuals being able to find a physician “open-minded” enough to provide a prescription, therefore creating inequity because individuals with “higher social capital and good information” will get access, excluding others.
change in patient-physician relationship—patients are becoming more informed and involved in their health, being aware of treatments and options for their condition (information accessed from Internet services). Suggests the need for regulatory change to inform individuals from risks, ensuring they understand the risks before undergoing enhancement procedures.
Possible options of how to deal with challenges indicated were:
establish baseline level of acceptable risk;
develop enhancement licenses to ensure informed consent is received and enables better monitoring; barrier for individuals with low cognitive capacity;
there is a need for more public funding research to reflect potential personal and social benefits of cognitive enhancements;
cultural challenge of de-stigmatizing enhancers; perception is that taking medicine is a “regrettable activity” and the use of non-therapeutic medicine raises suspicion and possible misuse;
testing of cognitive enhancements need to take place in natural environments rather than in labs;
would access to enhancements be regarded as a human right? Banning enhancements would result in black market sales, limiting social benefits;
legalizing enhancements would result in affordable and safe enhancements.
This is obviously not sufficient given that one of the main areas of BMI’s is envisioned to be therapeutic.
ethics issues often cover policy issues that also effect health policy issues. Of the 1,058 articles covering brain machines 1.9% (n = 21) of articles covered ethics issues. The following ethical issues with health policy implications around BMI are raised in the literature: there is currently no legislation put in place to “safeguard the informed consent of the patients before a BMI is used in therapy” resulting in issues around the protection of patient privacy ;
concerns are raised with regards informed consent from minors and incompetent individuals—who should be making the decision to provide or not provide consent for TE? ;
the need for protocols with implementing BMI application for humans “in terms of acceptable risk to subject” ;
research reliability comes into question with small effect size. This runs unforeseen risks upon exposure to the greater population ;
risk of human dependency on “outside technology, infrastructure, or drugs” which could result in experiences of withdrawal or impairments ;
ethical and quality of life issues around BMI research and application .
3.2.5. Social Robotics
18.104.22.168. Health Care
The coverage of healthcare within social robotics literature is discussed elsewhere . In general, social robots are currently in use, and envisioned to be used, in a variety of areas. These include rehabilitation therapy, eldercare, and autism. Of the articles obtained in our database searches only seven covered health care beyond a single sentence [131,132,133,134,135,136,137].
The imagery of disability lens within social robotics literature is discussed elsewhere . In general many robotics applications are related to people with disabilities and the discourse around disabled people mainly reflects a medicalized, “fixing” framework, and deals with disabled people within a patient, health care consumer framework.
22.214.171.124. Health Care Policy and Ethics
Within the social robotics literature, 34.9% (n = 171) of articles cover issues that go beyond purely technical issues and therefore fare better than the BMI literature (6.7%). However, this does not translate into more coverage of health policy; out of 48 health-related articles, only 12 (25%) mention policy and only one article mentioned the term “health policy” and none the term “health care policy”. Coverage of policy-related issues was limited, usually only mentioned in passing, and seldom related to healthcare. One study surveyed members of the public, experts, and policy makers about the acceptability of autonomous robots; however, the kind of policy makers involved was not specified, and there was no discussion of implications for healthcare policy . Another article mentioned the importance of policy in developing safety standards , and one article warned that a lack of consensus on ethical issues around robotics has led to a policy vacuum . Although policy and law is mentioned in regards to robot-governing policies and consortia, health policy or policies discussion for health applications are absent. Only one article  spoke about the importance of consumer involvement in policies governing robot use in eldercare. Overall, health policy discussions are not present in social robotics literature despite the fact that research continues to focus on healthcare applications.
As to ethical issues, numerous articles covered ethical issues related to robots extensively. As to the topics covered, they included the ethics of how to treat the robot , how people decide what are ethical applications of robots , the issue of robot sociability problems , how to create well-behaving artiﬁcial agents , about the socio-ethical resistance of workers , human robot interactions , socially situated perspective on the ethics of robot design , and ethics of robot companions . However most of the ethics discourse is not linked to the health care field. One exception is the article by Sparrow and Sparrow who investigated the application of robots in eldercare and concluded “ethical uses of robots in the aged-care sector are far fewer than ﬁrst appears. More controversially, we believe that it is not only misguided, but actually unethical, to attempt to substitute robot simulacra for genuine social interaction” .
Our data show that between 48–90% of the articles cover health as an issue and the mentioning of the term patient present between 28–80%. However, health care is mentioned much less. Furthermore, although certain governance topics are visible within the documents such as policy and global and ethics, their health and health care counterparts are much less of an issue. Although there is an acknowledgment of the global aspects of the topics we studied, global health was not mentioned. Ethics and policy were terms mentioned but health or health care policy and ethics were not visible. Although some policy issues are raised, they are by no means extensive. Furthermore they are often raised by ethicists but not by health policy scholars. We submit that all the science and technology products and discourses covered in this paper will impact the delivery of healthcare and the quality indicators of health, healthcare and health systems such as the ones used in Canada [148,149]. They already raise various health policy issues today [9,25,26] such as enabling a changing understanding of health itself , although health-related terms such as disability adjusted life years, burden of disease and social determinants of health  were not visible in the articles we investigated (data not shown). A 2006 Association for the Advancement of Science workshop  looked into the dynamic of human enhancement and concluded that the following ability desires are the main drivers for human enhancements:
to keep one’s local and global competitive advantage;
to live securely;
to maintain one’s quality of life and one’s consumer life-style.
We submit that these drivers must have an impact on health and healthcare, especially at the public health level. Proponents of public and individual good exhibit different ability preferences and their discourses are part of a bigger discourse around justice and health [151,152,153,154,155,156,157,158]. Different theories of distributive justice , and different substantive principles of justice , are seen to offer different priority setting regimes for health services. Some try to bring the often conflicting theories of justice together. Expectations and desires are discussed within the justice and health arena [161,162,163] and various models are deployed to evaluate the views of the public on how to prioritize healthcare [164,165,166,167] and what health technologies to use . Depending on which abilities one accepts as essential, one could invoke different theories of justice to generate health policies around TE.
Given that there might be some distributive justice issues  we submit the topic is of interest to public health, which is about the impact at the population level. However, for the most part public health is an angle invisible in our literature. Outram and others outlined the emerging development of a public health framework for cognitive enhancements, as they perceive it ; they performed a content analysis of two reports, one being the British Medical Association Medical Ethics Committee report entitled “Boosting your brainpower: ethical aspects of cognitive enhancement” and the other being Commission de l'éthique de la Science et de la technologie du Québec report on “Psychotropic drugs and expanded uses: an ethical perspective” . However one of their main conclusions was that it is not quite clear yet whether cognitive enhancement has positive or negative consequences for public health or whether it is of no significance for public health at all. Others predicted grave consequences for public health . Bostrom makes the case that it might be best if cognitive enhancements are made available through public health care , which McNamee questions will happen . It is suggested that regulating cognitive enhancing drugs could be a useful public health measure . It is recognized that attitudes towards nonmedical use of stimulants is to differ based on whether it is framed as a public health problem or a lifestyle choice . The current lack of health narrative might be an indication that we are moving toward the lifestyle option.
On the other hand the social group of disabled people were dealt with nearly exclusively within a medical/health framework ignoring the social aspect of the disablement of disabled people.
3.3. What Does the Health Consumer Discourse Cover?
In this section we report content and visibility around the term consumers within Neuro/Cogno/Human enhancement and within the BMI and social robotics discourses.
Although health-consumers are only mentioned one time, consumers are covered in n = 10 articles. Neuroenhancement is seen as having the potential to cause self-alienation of consumers and “impede their identiﬁcation with new traits, rendering them nonautonomous” . Neuroenhancements are linked to commercial interests as demonstrated by Direct to Consumer Advertising (DCTA) ; some see problems with DCTA  and others compare neuroenhancement with energy drinks stating that if they are proven safe they should be allowed as over the counter and the marketing should be allowed. As long as there is not enough data on safety and efficacy they should not be marketed as lifestyle products . One article contends that it will be a challenge to protect consumers, citing the problems with “ ‘natural’ forms of enhancement in the form of nutraceuticals, functional foods and dietary supplements” . One paper states that neuroenhancements are already accepted by consumers and that this is a market for companies and “for physicians who might enter the potentially lucrative specialty of so-called cosmetic neurology” . In addition, one highlights “ ‘neuromarketing’ as the latest tool in accessing consumer desires and enhancing sales” .
3.3.2. Cognitive Enhancement
Consumers are covered in n = 7 documents whereas the term “health consumer” is not mentioned once. As to how consumers are mentioned, one article feels that neuroenhancements should be regulated for safety issues as other medical goods and services, and that consumers should be informed, but neuroenhancements are not seen worthy of special precaution as they see no documented evidence of higher risk . One article sees consumers as being players in the debate . One article thematizes the “pharmaceuticalization of daily life as consumers come to see such substances as “magic bullets” to resolve their everyday problems”  and that whether something is marketed as medicine or consumer products has implications for how they are regulated and perception as to health benefits and safety and level of acceptability . One article writes about how health problems are redeﬁned and reconstructed as having a medical/pharmaceutical solution, how new social identities are created and how patient/consumer groups are mobilized around drugs . The same article highlights that “over the past decade, instead of developing pharmaceuticals as medicines for disease and disorder, the emphasis has been on lifestyle in the production, marketing and consumption of pharmaceutical products” . One article links the politics of identity and the self to the rise of consumerism and restates a question by Elliot of whether this is “an authentic self or one invented by altering the biology (through surgery, medicines, or devices) and imagined through advertising, media, health advisory groups, or other images” . One article states that recipients of neurointerventions “are consumers, making access choices on the basis of desires that can appear trivial, narcissistic, or irrational, shaped not by medical necessity but by the market and consumer culture” .
3.3.3. Human Enhancement
Eight articles mention consumers whereas none mention the term health consumer or health care consumer. One article wrote about human Growth Hormone (hGH) and how concerned citizens, consumer activists, and scientists questioned various issues posed by enhancement and cosmetic applications of hGH . One article questions the apathy of physicians against “cosmetic medicine” seeing “it as an inevitable path of the American way. The logic goes like this: If the patient is just a consumer buying a service, well then, caveat emptor; not our problem to worry too much about deals made between consumers and providers” . A 2011 article mentions Haga and Willard providing a framework that helps to understand government public health activities in the areas of emerging scientiﬁc and technological breakthroughs. The framework has ﬁve regulatory dimensions (research issues, legal issues, economic issues, education issues and acceptance and implementation issues) and specific issues such as intellectual property rights, public information, commercialization of retail products, safety, health, consumer choice, trade, and research investment . One article highlights that “ “Normality” is subjective to peer, societal, cultural and/or ethnic standards, dictated by mediatized consumerism, which generates discourse-legitimizing conceptions of an ideal, and promotes the means of attainment”  and that “ ‘Consumerist language’ is increasingly used in discussing enhancement interventions” .
3.3.4. Brain Machine Interface (BMI)
In terms of consumer perspectives, the BMI literature mainly discusses the public as commercial consumers, rather than health consumers, and as with the limited focus on healthcare issues, consumers are likewise seldom discussed in the context of healthcare. Most studies conceptualize BMI technologies as commercial products rather than health services; they discuss market evaluation of consumer acceptance and feedback , and the availability of information about technologies available to aid in consumer decision-making . Only one study mentioned health consumerism, positing that it will be the informed and active health care consumer who will drive the promotion of cognitive enhancements for preventative and enhancement purposes within a medical and health care context  whereby the “informed health care consumer” is seen to “insists on exercising choice” .
3.3.5. Social Robotics
The term consumer was evident in various articles. One study stated the following: “Studies by the United Nations Economic Commission and International Federation of Robotics forecast a dramatic increase in consumer demand for robots that assist, protect, educate and entertain over the next 20–30 years” . Another study made the claim that “It is becoming accepted, however, that innovation in consumer environments is highly dependent upon factors of socialization that merge utility with symbolic and cultural factors, and that this involves subtle transfers of knowledge from consumers to producers about emerging social trends and preferences” . One study employed a user satisfaction questionnaire to ascertain the satisfaction of user with the consumer product ; one study looked at how to change the design in order to increase acceptability by consumers . However, no articles used the term health consumer or health care consumer and indeed the applications mentioned around the term consumer were not mentioning health care applications but focused on domestic robots and toy robots rather than on health care robots.
Our analysis reveals a disconnect between the consumer narrative around enhancement discourses and BMI and social robot devices and the health and health care domain. Although the role of consumers as being influential and being influenced are acknowledged, no linkage is made to the health consumer or health consumerism discourse. It is well known that the commodification of the body through body technologies  plays a role in health, medicine and care [188,189], cosmetics [190,191,192], and especially the posthuman/cyborg discourse [193,194,195,196,197,198]. Furthermore, given there is increasing evidence that health clients want to be in the driver’s seat with their health interventions ; the increased engagement with patient-driven healthcare and research models [200,201]; the movement towards a “quantified self” (where people diagnose themselves) [201,202,203,204]; and the increase in health social networks and the active health technology market that makes consumer personalized medicine [205,206,207,208] possible, we submit it being problematic that the linkage between consumer behaviors and “health consumer” is not more explicitly investigated.
It is troubling that only one article written by authors based within a pro-enhancement think-tank acknowledged the scenario that health care consumers will drive the uptake of the enhancements using the argument of choice . Indeed, given the ample evidence around how much health consumers are influenced by external factors from advertisement to social factors, from product producer-driven medicalization [209,210,211,212,213,214,215,216] which tries to make the healthy feel bad about themselves, to consumer-driven forms of medicalization where the consumer makes the case that the product is essential for their own health (see e.g., cosmetic surgeries which were first elective and are now often being considered as necessary for the psychological wellbeing [217,218]), we would expect more engagement with health consumers and health consumerism. This shift in the nature of the health client from a passive recipient to an active shaper, and the framing of patients and clients as consumers has broad implications for health systems  and policy developments [201,220,221,222,223,224,225,226,227], and we submit that it is worthy to investigate the impact of enhancement within the health care literature.
3.4. Who Does Make the Assessment?
In this section we report how visible various assessment fields are within Neuro/Cogno/Human enhancement and within the BMI and social robotics discourse.
The term assessment showed up n = 132 times in n = 22 articles with many of the incidents not related to the enhancement section of the article. As to the relevant ones, one study suggested the need to assess the consequences to common morality and public acceptance ; another indicated the need for studies “aimed at identifying appropriate screening, assessment, and monitoring tools in any medical setting, and we add that integrative care paradigms and methods need to be studies” ; and one highlighting that they assessed the motivational factors behind using neuroenhancers . Another stated that the assessment of legal risk is difficult , assessment of impact on important values  should be performed and the authors question the assessment by others “that psychotropic neuroenhancers are not, in morally relevant ways, different from other forms of enhancements” , “A point often raised in discussions regarding enhancement is the common liberal position that the ultimate duty of a physician is to respect the patients’ own assessment of what constitutes proper care” . Risk assessment is mentioned twice. However technology assessment was only mentioned in one article stating the need for technology assessment, and other methods of analysis and reﬂection on the interface between technology and society ; impact assessment or needs assessment were not mentioned at all.
“Evidence-based” as a phrase did show up seven times. One article believed that physicians should not just give neuroenhancement to “patients” because they wish it but evidence has to be there ; one paper highlight that “recently a number of experts called for an evidence-based approach to the evaluation of the risks and beneﬁts of cognitive enhancement” ; “Such regulation must be evidence-based and a product of active dialogue between scientists, doctors, ethicists, policy-makers and, importantly, the general public” . Another stated that evidence-based approaches were needed . As to the term evidence, it was used n = 181 times. As the evidence relates to neuroenhancements, 12 articles stated that there was a lack of evidence; two stated that there was evidence of increased acceptance and three that there was evidence that neuroenhancements are achievable.
3.4.2. Cognitive Enhancement
As to assessment, the term shows up 138 times with various issues seen in need of being assessed; impact assessment or needs assessment were not mentioned at all. Evidence-based as a phrase did show up three times but none were applicable to the topic. As to the term evidence, it was used n = 233 times. As the evidence relates to cognitive enhancements, one article states that the increased use of cosmetic neurology was presaged for a while . Seven articles state that there was a lack of evidence; one article mentioned evidence of an underground market; two stated that there was evidence of increased acceptance, and four that there was evidence that cognitive enhancements are real.
3.4.3. Human Enhancement
As to assessment of human enhancement, the term shows up 138 times with various issues seen in need of being assessed, however technology assessment was only mentioned in one article stating the need for technology assessment, and other methods of analysis and reﬂection on the interface between technology and society ; impact assessment or needs assessment were not mentioned at all.
Evidence based as a phrase did not show up once, the term evidence showed up 87 times and was used to highlight that evidence is needed, that human enhancement technologies “are valued universally by the sorts of beings who will invest in developing them” [106,108], that there is no evidence that ‘more science education’ leads to increase in acceptance of a technology , and that there is evidence of ability trade-offs linked to cognitive enhancers . One article looked at the role of physicians and contended that “evidence of the patient’s desire for the script is not enough to prescribe something” . One article put forward the view that presuppositions of the value-neutrality of risk evaluations or ethics in the assessment of technological innovations are questionable and that a more complex analysis of human enhancement technologies is needed .
3.4.4. Brain Machine Interface
With any new technology that has application in healthcare, and in other fields, a technology assessment is helpful (and often necessary) to determine the harms and benefits, costs, and user perspectives. However, there have been no published technology assessments performed with BMI technology. Only one article mentioned technology assessment, noting the relationship between technology development and technology assessment , although this was not linked to health technology assessment or any other kind of assessment.
Related to assessment is the importance of evidence-based practice, and there were only two articles in our sample, which discussed evidence-based practice around BMI use. One paper discussed the dangers of using BMI without sufficient scientific evidence of effect and risks/benefits, and the importance of a clear evidence base for BMI comparable to clinical trial registries to aid evidence-based practice and research . The other paper mentioned Cochrane reviews as a source of evidence for evidence-based practice . However, for the majority of our sample, evidence is not discussed in these terms, but is rather seen as the output of experiments and basic scientific research, to prove effectiveness of BMI, rather than to guide decision-making [129,182,234,235,236,237,238].
3.4.5. Social Robotics
In terms of assessment, the topic is mentioned in the social robotics literature, but as with the topic of policy, this is done only in passing. Two articles mention the need for assessment of robots used in gerontology to assess impact on outcomes [133,137]. However, such assessment is not the focus of this work, and there have currently been no published health technology assessments of robots used in healthcare.
Although we found various opinions on what should be assessed and various example of what has been assessed, the various existing fields of technology assessment as well as the fields of health needs, health impact and social impact assessment were absent from the academic literature we investigated even in the sense that one would find remarks as to the need to perform the various forms of assessment. As for one (parliamentary technology assessment), one might say that the results of this form of assessment are published in the form of reports and not academic papers. However searching Google or Bing, to just name two search engines, should reveal the extent to which reports on the various topics we covered are present. We found one report linked to parliamentary technology assessment  that covered various forms of human enhancement. To stay with human enhancement if we search Google or Bing for the term “technology assessment” and “human enhancement” we find reports from various technology assessment sources, such as from Switzerland, Germany, and the Netherlands; however, the existence of reports are by no means extensive. As to participatory technology assessment, one endeavour was found under that label . As to the areas of health needs assessment and health impact assessment, there were very few to no hits in Google or Bing or our academic articles or Google Scholar, and the few hits obtained did not engage with the topics covered in this study in a substantial manner. This is troubling as the various therapeutic enhancement-linked products and discourses can be seen to have an impact on various health and health care fields.
However, what is striking is again the drop in findings if the health term is attached to it. Under the banner of health technology assessment none of the topics were assessed with the exception of  which covered some forms of enhancements. Given that fields such as health technology assessment have a horizon scanning component [239,240,241], that we see the European Commission being interested in human enhancement in a foresight manner , and given the many hits one obtains in Google and Google Scholar and in various academic databases on human enhancement and neuro/cognitive enhancements, and various therapeutic devices that can enable enhancements in the future, it is puzzling that none of the assessments fields investigated have a substantial body of work to show on the topic so far. Given the paradigm shift-enabling potential of human enhancement for the health field we submit that action is required here. The involvement of the different assessment fields might be one tool to trigger the generation of usable evidence in regards to numerous claims. Numerous academic papers around neuro and cognitive enhancement highlight the lack of decent evidence for the anecdotal claims of efficacy of enhancement drugs. Although the term evidence is appearing quite a bit, it is again curious that the health discourse-related term “evidence-based” is nearly invisible.
Finally the involvement of participatory technology assessment and social impact assessment might trigger a change in which social groups with which imagery are involved. In the case of our study we only looked at the imagery of disabled people, which to the greatest extend was medical with the focus on fixing the defect the disabled or impaired person experiences. What was totally missing was the presence of a disability studies lens, which sees the problem of disabled people originating from the physical and social environment [242,243,244,245,246,247,248,249,250,251,252,253]. Indeed Van Der Horst voiced the opinion that the 1992 guidelines of how to perform Social Impact Assessment are “more easily implemented in a social context that is familiar, and in a culture of governance that aims to be more inclusive and seeks to ensure the participation of all groups in the policy process, including weaker or more vulnerable groups in society such as the poor, women and children, people with disabilities, indigenous people, or other minorities” . However as to disabled people, this has to include disabled people who do not want to get fixed.
We submit that all the science and technology products and discourses covered in this paper will impact the delivery of healthcare and the quality indicators of health, healthcare and health systems, such as the ones used in Canada [148,149], and already raise various health and healthcare policy issues. As such, it is troubling that health and healthcare policy is not more extensively covered within the discourses investigated in this study. Although some policy issues are raised they are by no means extensive. Furthermore, they are often raised by ethicists but not by health policy or healthcare policy scholars. Equally troubling is the issue that various assessment fields seem not to have engaged with the areas covered in this paper yet as have not the discourses around health consumerism. Finally it is troubling that disability is covered mostly from a medical angle, ignoring the broader issues of social determinants of health and how the discourses and products could impact in positive and negative way the social situation of disabled people. In general we submit there is a need for broadening the engagement with health and healthcare issues and the participation of a broader group of players in order for the discourses to be able to understand and deal with therapeutic enhancements and therapeutic enhancement enabling products.
This work was in part supported by a Social Sciences and Humanities Research Council of Canada (SSHRC) standard operating grant; an University of Calgary bridge-fund grant.
Conflict of Interest
The authors declare no conflict of interest.
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