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Neural mechanisms underlying the effects of physical fatigue on effort-based choice

Medicine and Health

Neural mechanisms underlying the effects of physical fatigue on effort-based choice

P. S. Hogan, S. X. Chen, et al.

Explore how physical fatigue alters our decision-making processes regarding effortful actions. This groundbreaking study, conducted by Patrick S. Hogan, Steven X. Chen, Wen Wen Teh, and Vikram S. Chib, uses fMRI technology to reveal the neurobiological mechanisms at play in effort-based decisions influenced by fatigue.

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Playback language: English
Abstract
Physical fatigue significantly impacts our decisions regarding effortful actions. This study uses fMRI to investigate how fatigue affects effort-based decision-making at the brain and behavioral levels. Researchers found that fatiguing exertions increase the subjective cost of effort, a mechanism involving motor cortical signals in the premotor cortex influencing effort value computations in the insula. This provides a neurobiological explanation for how bodily state modulates physical activity decisions.
Publisher
Nature Communications
Published On
Aug 12, 2020
Authors
Patrick S. Hogan, Steven X. Chen, Wen Wen Teh, Vikram S. Chib
Tags
physical fatigue
effort-based decision-making
fMRI
motor cortex
insular cortex
neurobiology
subjective cost of effort

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