Wearable Sensors for Ensuring Sports Safety in Children with Autism Spectrum Disorder: A Comprehensive Review
Abstract
:1. Introduction
2. Background and Literature Review
2.1. Foundational Concepts
2.2. Insights from the Literature
2.3. Timeline of Research
- 2010–2015: Initial explorations of wearable sensors for monitoring physiological and behavioral parameters in individuals with ASD [17].
3. Methodology
3.1. Search Platform and Process
- Basic search: The system identifies candidate papers using a custom algorithm that combines semantic vector embeddings, citations, and language model reasoning.
- Relevance classification: Papers are classified into three categories (highly relevant, closely related, or ignorable) using GPT-4 [24] as the language model classifier, evaluating papers based on their full text against the search criteria.
- Adaptation and exploration: The algorithm adapts its search strategy based on discovered content, mimicking human discovery processes to ensure comprehensive coverage.
- Comprehensiveness estimation: The system tracks discovery rates of relevant papers to determine search saturation, following an exponential discovery curve that indicates when nearly all relevant papers have been found.
3.2. Search Implementation
“The application of wearable sensors to ensure general sports safety for children with Autism Spectrum Disorder.”
3.3. Results Processing
- Highly relevant: Papers directly addressing wearable sensor technologies for sports safety in children with ASD;
- Closely related: Papers discussing either wearable sensors in other contexts for ASD or sports safety technologies without specific focus on ASD;
- Ignorable: Papers not substantively contributing to the research focus.
4. Results
4.1. Summary of Findings
4.2. Patterns and Trends
4.3. Gaps and Inconsistencies
4.4. Open Questions
5. Discussion
5.1. Interpretation of Results
5.2. Technical, Practical, and Ethical Considerations
- Sensor Accuracy and Reliability: Accurate and reliable sensor data are essential for wearable systems, particularly when monitoring the diverse and atypical movement patterns of children with ASD. Variability from motion artifacts, signal noise, and individual differences requires advanced strategies to enhance detection precision. Recent innovations address these challenges through several approaches:
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- Signal Processing: Advanced filtering methods (e.g., Kalman filtering, wavelet transforms, adaptive filtering) help mitigate noise and motion artifacts in accelerometer and gyroscope data, isolating subtle movement deviations essential for accurate detection [39].
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- Sensor Fusion: Integrating data from multiple sensors—such as accelerometers, gyroscopes, magnetometers, and physiological monitors—provides a robust and comprehensive movement profile. Fusion algorithms (e.g., complementary filters, extended Kalman filters) reduce noise and enhance recognition accuracy.
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- Machine Learning for Pattern Recognition: Employing advanced machine learning models, including ensemble methods and test-time augmentation [40,41], improves detection of both typical and atypical movements. Training on extensive datasets that capture the unique movement signatures of children with ASD helps to significantly reduce false positives.
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- Personalized Calibration and Adaptation: Systems that calibrate to individual baseline movement patterns enable personalized sensitivity and specificity. Adaptive algorithms continuously update these models, accommodating changes in a child’s movement over time.
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- Improved Sensor Hardware: Advances in sensor design—such as higher sampling rates and lower noise components—directly enhance data fidelity. More robust hardware minimizes the effects of motion artifacts, bolstering overall system reliability.
Collectively, these improvements offer a more precise, real-time understanding of a child’s movements, thereby contributing to safer environments and more effective injury prevention strategies [5]. - Data Integration and Fusion: Integrating data from multiple sensors and modalities can provide a more comprehensive and nuanced understanding of the child’s state and environment. However, effective data fusion techniques are needed to combine and interpret these diverse data streams [20].
- Real-time Processing and Feedback: For wearable sensors to be effective in preventing injuries and managing challenging behaviors during sports, real-time processing and feedback capabilities are essential. This requires efficient algorithms and low-latency communication between sensors, processing units, and caregiver devices [18,30,31].
- Usability and Acceptability: Wearable devices for children with ASD must be comfortable, discreet, and simple to use. Given these children’s heightened sensory sensitivities, devices should employ hypoallergenic, soft, breathable materials, be lightweight and adjustable, and offer customizable sensory feedback (e.g., subtle vibration or low-stimulation visual cues). Incorporating user-centered design-engaging models for children, caregivers, and therapists throughout development is essential to minimize sensory overload and maximize overall usability [7,28,34].
- Cost and Accessibility: The cost of wearable sensor technologies can impede their adoption, especially among families with limited resources and schools serving diverse populations. To enhance accessibility, several cost reduction strategies should be considered: Open-Source Hardware and Software Solutions, Using Affordable and Versatile Sensors such as smartphones [18] and Multi-Tiered Designs. Recognizing that high-quality, sensory-sensitive materials may be costly, a multi-tier product strategy (offering both basic and premium options) can accommodate varying budgets and user needs. Improving accessibility also means ensuring that devices are user-friendly for diverse populations, offering multilingual training and support as well as implementing culturally sensitive strategies [6].
- Training and Support: Caregivers, parents, and educators need training and support to effectively use wearable sensor technologies and interpret the data they provide. This includes understanding how to respond to alerts, manage challenging behaviors, and integrate sensor data into individualized education and safety plans [42].
- Privacy and Data Security: The collection and storage of sensitive physiological and behavioral data from children with ASD raises significant privacy and data security concerns. Privacy protocols must be in place to ensure that data are collected, stored, and shared ethically and in compliance with relevant regulations [7].
- Informed Consent: Obtaining informed consent from parents is essential before implementing wearable sensor technologies. This includes clearly explaining the purpose of data collection, the potential benefits and risks, and the procedures for data management and sharing [43].
- Equity and Access: Efforts should be made to ensure that wearable sensor technologies are accessible to all children with ASD who could benefit from them, regardless of their socioeconomic status, geographic location, or the severity of their condition. This may require addressing disparities in access to technology, internet connectivity, and specialized support services [6].
5.3. Integration with Sports Safety Protocols and IEPs
- Real-time Monitoring and Alert Systems: Data from physiological sensors can be used to monitor a child’s stress or anxiety levels during sports activities. If these levels exceed predefined thresholds, automated alerts can be sent to coaches or supervisors, prompting them to check on the child, adjust the activity, or provide a break. This proactive approach can help prevent meltdowns or distress situations before they escalate into safety risks;
- Biomechanical Data for Injury Prevention: Wearable motion sensors can track movement patterns and detect potentially risky biomechanics that could lead to injuries. These data can inform coaches about a child’s movement style, highlighting areas where they might be vulnerable. Coaches can then use this information to tailor training, provide specific feedback on technique, and modify activities to reduce the risk of injury. For instance, if a sensor detects an unusual gait pattern during running, it could indicate fatigue or improper form, prompting a coach to intervene.
- Environmental Context for Safety Adjustments: Integrating environmental sensor data, such as GPS location, with physiological and biomechanical data can provide a comprehensive view of safety. For example, if a child with ASD is playing in a large field, GPS data combined with physiological data indicating rising anxiety could suggest they are becoming overwhelmed by the open space or are wandering too far from supervision. Protocols can then be in place to ensure closer supervision or a change of environment.
- Establish Clear Protocols and Response Plans: Develop specific, actionable protocols based on different sensor data patterns. This includes defining thresholds for alerts, outlining steps for intervention, and ensuring that coaches and staff are trained to understand and respond appropriately to sensor-generated alerts.
- Ensure Data Privacy and Security: Implement robust systems to protect the privacy of sensor data and ensure secure data handling, storage, and transmission, adhering to ethical guidelines and regulations.
- Maximize Comfort: Wearable devices must be comfortable, non-stigmatizing, and easy to use for both children with ASD and their caregivers. This is particularly critical due to the sensory sensitivities often experienced by children with ASD. Design considerations must prioritize minimizing sensory overload and maximizing comfort.
- Data-Driven Goal Setting: Sensor data can provide objective measures of a child’s responses to different sports activities. These data can be used to set realistic and measurable IEP goals related to physical activity, emotional regulation during exercise, and skill development. For example, an IEP goal might be to increase participation in team sports while maintaining heart rate variability within a healthy range, as monitored by a wearable sensor.
- Monitoring Progress and Adapting Interventions: Wearable sensors allow for continuous monitoring of a child’s progress towards their IEP goals. Data collected over time can show improvements in physiological responses to exercise, changes in movement patterns, or reductions in stress indicators during sports. This longitudinal data can inform IEP reviews and adjustments, ensuring that interventions remain effective and tailored to the child’s evolving needs.
- Personalized Activity Recommendations: By analyzing sensor data in conjunction with a child’s IEP goals and sensory profile, personalized recommendations for sports and physical activities can be generated. For example, if a child’s IEP emphasizes social interaction and sensor data indicate they remain calm and engaged during structured team activities, the IEP team might recommend increasing participation in such activities. Conversely, if data show high stress during noisy, fast-paced games, the IEP might suggest more individual or low-sensory sports options.
- Collaboration Between IEP Teams and Technology Experts: It is necessary to ensure that IEP teams include members who understand wearable sensor technology and data interpretation, or to provide training to existing team members.
5.4. Limitations and Future Work
- Conducting larger-scale, longitudinal studies to assess the long-term effectiveness, usability, and acceptability of wearable sensor technologies in real-world sports settings. These studies should involve diverse populations of children with ASD and collect data on a range of outcome measures, including injury rates, physical activity levels, emotional regulation, and social participation;
- Developing and validating sport-specific algorithms for detecting safety risks and predicting challenging behaviors based on sensor data collected during various physical activities. These algorithms should be tailored to the unique characteristics of different sports and the specific needs of children with ASD;
- Exploring the integration of wearable sensors with other technologies, such as virtual reality, augmented reality, and LLMs, to create more immersive, interactive, and personalized sports training and safety interventions for children with ASD;
- Integrating wearable sensors for other activities beyond traditional sports to further enhance the safety and engagement of children with ASD. Expanding the application of these technologies to recreational, educational, and therapeutic activities could provide a more holistic approach to promoting their physical and emotional well-being. Furthermore, integrating these sensors into comprehensive sports safety systems can ensure a tailored approach to the diverse needs of ASD children across different activities;
- Investigating the ethical, legal, and social implications of using wearable sensors with children with ASD, particularly in the context of sports. This includes addressing issues such as data privacy, informed consent, equity of access, and the potential for stigmatization or over-reliance on technology;
- Establishing best practices and guidelines for the development, implementation, and evaluation of wearable sensor technologies for sports safety in children with ASD. This may involve creating standardized protocols for data collection, analysis, and reporting, as well as developing training programs for caregivers, parents, and educators.
6. Conclusions
Author Contributions
Funding
Conflicts of Interest
Abbreviations
LD | Linear Dichroism |
ASD | Autism Spectrum Disorder |
HRV | Heart Rate Variability |
EDA | Electrodermal Activity |
IoT | Internet of Things |
GPS | Global Positioning System |
IEP | Individualized Education Plan |
LLM | Large Language Model |
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Key Theme | Description | Sensor Implementation Status | Representative Study |
---|---|---|---|
Physiological Monitoring | Monitors signals such as heart rate, HRV, and EDA to detect stress or anxiety | Laboratory Models and Commercial Devices Studies utilize both custom-built laboratory setups and commercially available devices | Fioriello et al. [2] |
Behavioral Monitoring | Detects movement patterns, falls, and atypical behaviors for safety | Laboratory Models and Prototypes | Bashkaran et al. [3] |
Environmental Monitoring | Gathers contextual data (e.g., location, ambient conditions) to enhance safety insights | Commercial and Integrated Systems Employs commercial GPS modules and environmental sensors integrated into custom IoT systems | Wu et al. [22] |
Real-time Alerts | Provides immediate feedback and alerts based on sensor data | Commercial and Integrated Systems | Northrup et al. [18] |
Detection of Challenging Behaviors | Detects self-injurious behavior and aggression in real-world settings to enable timely intervention | Advanced Laboratory Prototypes Combines physiological (EDA, ECG) and movement sensors in sophisticated lab prototypes | Rad et al. [25] |
Prediction of Aggression | Predicts aggression up to one minute in advance for preemptive measures during sports activities | Specialized Biosensor Systems Utilizes wrist-worn biosensors (e.g., Empatica E4) in controlled clinical settings | Goodwin et al. [26] |
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Share and Cite
Arbili, O.; Rokach, L.; Cohen, S. Wearable Sensors for Ensuring Sports Safety in Children with Autism Spectrum Disorder: A Comprehensive Review. Sensors 2025, 25, 1409. https://doi.org/10.3390/s25051409
Arbili O, Rokach L, Cohen S. Wearable Sensors for Ensuring Sports Safety in Children with Autism Spectrum Disorder: A Comprehensive Review. Sensors. 2025; 25(5):1409. https://doi.org/10.3390/s25051409
Chicago/Turabian StyleArbili, Ofir, Lior Rokach, and Seffi Cohen. 2025. "Wearable Sensors for Ensuring Sports Safety in Children with Autism Spectrum Disorder: A Comprehensive Review" Sensors 25, no. 5: 1409. https://doi.org/10.3390/s25051409
APA StyleArbili, O., Rokach, L., & Cohen, S. (2025). Wearable Sensors for Ensuring Sports Safety in Children with Autism Spectrum Disorder: A Comprehensive Review. Sensors, 25(5), 1409. https://doi.org/10.3390/s25051409