首页|Heart's eyes to see color: Cardiac vagal tone modulates the impact of ethnicity on selected attention under high load
Heart's eyes to see color: Cardiac vagal tone modulates the impact of ethnicity on selected attention under high load
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NSTL
Elsevier
The present study tested whether cardiac vagal activity-which is known to play a vital role in social cognition and engagement-predicted the impact of faces of other ethnicity on selective attention under load. Based on the neurovisceral integration theory, we hypothesized that participants with higher resting heart rate variability (HRV) would exhibit better task performance of a target detection task in trials with face distractors of other ethnicity than participants with lower resting HRV, when cognitive resources were scarce under high load. Caucasian participants were instructed to detect a target letter among letter strings superimposed on Black or White male distractor faces under high and low perceptual load. Consistent with the prediction, under high load, HRV was positively correlated with accuracy in trials with Black distractor faces, but not in trials with White distractor faces. The current research demonstrated that individual differences in cardiac vagal tone predicted successful inhibition of an ethnicity-related distractor with limited cognitive resources, which allowed for completing goal-directed behavior more successfully.
NSTL
Elsevier
