Title |
Subjecting Elite Athletes to Inspiratory Breathing Load Reveals Behavioral and Neural Signatures of Optimal Performers in Extreme Environments
|
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Published in |
PLOS ONE, January 2012
|
DOI | 10.1371/journal.pone.0029394 |
Pubmed ID | |
Authors |
Martin P. Paulus, Taru Flagan, Alan N. Simmons, Kristine Gillis, Sante Kotturi, Nathaniel Thom, Douglas C. Johnson, Karl F. Van Orden, Paul W. Davenport, Judith L. Swain |
Abstract |
It is unclear whether and how elite athletes process physiological or psychological challenges differently than healthy comparison subjects. In general, individuals optimize exercise level as it relates to differences between expected and experienced exertion, which can be conceptualized as a body prediction error. The process of computing a body prediction error involves the insular cortex, which is important for interoception, i.e. the sense of the physiological condition of the body. Thus, optimal performance may be related to efficient minimization of the body prediction error. We examined the hypothesis that elite athletes, compared to control subjects, show attenuated insular cortex activation during an aversive interoceptive challenge. |
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