Effects of acute stress on biological motion perception
Jifu Wang, Fang Shi, Lin Yu, Alessandro Mengarelli, Alessandro Mengarelli, Alessandro Mengarelli
TL;DR
This study shows how acute stress affects how people perceive human movement, with changes in brain activity and reaction times.
Contribution
The study identifies specific ERP features and cognitive changes caused by acute stress during biological motion perception.
Findings
Stress reduced reaction time and altered early brain responses during biological motion perception.
The 'inversion effect' in perception was not influenced by acute stress.
Stress changed attention allocation and inhibition in later stages of perception processing.
Abstract
Biological motion perception is an essential part of the cognitive process. Stress can affect the cognitive process. The present study explored the intrinsic ERP features of the effects of acute psychological stress on biological motion perception. The results contributed scientific evidence for the adaptive behavior changes under acute stress. After a mental arithmetic task was used to induce stress, the paradigm of point-light displays was used to evaluate biological motion perception. Longer reaction time and lower accuracy were found in the inverted walking condition than in the upright walking condition, which was called the "inversion effect". The P2 peak amplitude and the LPP mean amplitude were significantly higher in the local inverted perception than in the local upright walking condition. Compared to the control condition, the stress condition induced lower RT, shorter P1…
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Taxonomy
TopicsAction Observation and Synchronization · Visual perception and processing mechanisms · Neural and Behavioral Psychology Studies