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Brief Report

Corticospinal Excitability during a Perspective Taking Task as Measured by TMS-Induced Motor Evoked Potentials

1
JFK Neuroscience Institute, Hackensack Meridian Health and JFK Medical Center, Edison, NJ 08820, USA
2
Cognitive Neuroimaging Laboratory, Montclair State University, Montclair, NJ 07043, USA
3
Department of Psychology and Counseling, Georgian Court University, Lakewood, NJ 08701, USA
4
Department of Biology, Northeastern University, Boston, MA 02115, USA
5
Neuroscience and Cognitive Neuroscience Program, University of Maryland, College Park, MD 20742, USA
6
School of Health and Medical Sciences, Seton Hall University, South Orange, NJ 07079, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Istvan Molnar-Szakacs
Brain Sci. 2021, 11(4), 513; https://doi.org/10.3390/brainsci11040513
Received: 2 March 2021 / Revised: 12 April 2021 / Accepted: 14 April 2021 / Published: 18 April 2021
(This article belongs to the Special Issue Brain Bases of Conscious Awareness and Self-Representation)
Only by understanding the ability to take a third-person perspective can we begin to elucidate the neural processes responsible for one’s inimitable conscious experience. The current study examined differences in hemispheric laterality during a first-person perspective (1PP) and third-person perspective (3PP) taking task, using transcranial magnetic stimulation (TMS). Participants were asked to take either the 1PP or 3PP when identifying the number of spheres in a virtual scene. During this task, single-pulse TMS was delivered to the motor cortex of both the left and right hemispheres of 10 healthy volunteers. Measures of TMS-induced motor-evoked potentials (MEPs) of the contralateral abductor pollicis brevis (APB) were employed as an indicator of lateralized cortical activation. The data suggest that the right hemisphere is more important in discriminating between 1PP and 3PP. These data add a novel method for determining perspective taking and add to the literature supporting the role of the right hemisphere in meta representation. View Full-Text
Keywords: perspective taking; self-awareness; self-representation; metarepresentation; theory of mind; transcranial magnetic stimulation perspective taking; self-awareness; self-representation; metarepresentation; theory of mind; transcranial magnetic stimulation
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MDPI and ACS Style

Murray, E.; Brenya, J.; Chavarria, K.; Kelly, K.J.; Fierst, A.; Ahmad, N.; Anton, C.; Shaffer, L.; Kapila, K.; Driever, L.; Weaver, K.; Dial, C.; Crawford, M.; Hartman, I.; Infantino, T.; Butler, F.; Straus, A.; Walker, S.L.; Balugas, B.; Pardillo, M.; Goncalves, B.; Keenan, J.P. Corticospinal Excitability during a Perspective Taking Task as Measured by TMS-Induced Motor Evoked Potentials. Brain Sci. 2021, 11, 513. https://doi.org/10.3390/brainsci11040513

AMA Style

Murray E, Brenya J, Chavarria K, Kelly KJ, Fierst A, Ahmad N, Anton C, Shaffer L, Kapila K, Driever L, Weaver K, Dial C, Crawford M, Hartman I, Infantino T, Butler F, Straus A, Walker SL, Balugas B, Pardillo M, Goncalves B, Keenan JP. Corticospinal Excitability during a Perspective Taking Task as Measured by TMS-Induced Motor Evoked Potentials. Brain Sciences. 2021; 11(4):513. https://doi.org/10.3390/brainsci11040513

Chicago/Turabian Style

Murray, Elizabeth, Janet Brenya, Katherine Chavarria, Karen J. Kelly, Anjel Fierst, Nathira Ahmad, Caroline Anton, Layla Shaffer, Kairavi Kapila, Logan Driever, Kayla Weaver, Caroline Dial, Maya Crawford, Iso Hartman, Tommy Infantino, Fiona Butler, Abigail Straus, Shakeera L. Walker, Brianna Balugas, Mathew Pardillo, Briana Goncalves, and Julian P. Keenan. 2021. "Corticospinal Excitability during a Perspective Taking Task as Measured by TMS-Induced Motor Evoked Potentials" Brain Sciences 11, no. 4: 513. https://doi.org/10.3390/brainsci11040513

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