May 21, 2020

Difference in Interoception between Long-Distance Runners and Sprinters: An Event-related Potential Study

Medicine and Science in Sports and Exercise
Takahiro HiraoHiroaki Masaki

Abstract

Interoception is a sense of the physiological state of one's body. Interoception that is generated by processing physiological information in the insular cortex plays an important role in achieving optimal performance in competitive sports. This study aimed to reveal the difference in interoceptive ability between long-distance runners and sprinters and its neural correlates by recording the stimulus-preceding negativity (SPN) that is generated from the insular cortex. Based on previous findings, we predicted that long-distance runners would show better interoceptive ability and larger SPNs compared with sprinters. We used a questionnaire and a heartbeat counting task to evaluate the interoceptive sensitivity and accuracy, respectively, of both long-distance runners and sprinters. We recorded SPNs during the execution of a time estimation task where participants estimate 3 s by pressing a button. Results of the questionnaire revealed that sprinters exhibited a higher interoceptive ability associated with attention control of their own bodies than did long-distance runners. Sprinters also showed a larger SPN over the left centroparietal regions compared with long-distance runners. In contrast to our prediction, sprinters exhibit...Continue Reading

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Mentioned in this Paper

Heart Beat
Surface of Insula
Insula of Reil
Superior Thalamic Peduncle
Study
Cephalanthus occidentalis
Evaluation
Participant
PPP1R9B gene

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