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- W1497244818 endingPage "229" @default.
- W1497244818 startingPage "219" @default.
- W1497244818 abstract "The present study compared neural activity in participants with blunted (N = 9) or exaggerated (N = 8) cardiac stress reactions. Neural activity was recorded with fMRI while participants performed a validated stress task and control task. Exaggerated reactors exhibited significant increases in heart rate from control to stress task, whereas blunted reactors had no change in heart rate. Blunted reactors also had reduced activation in the anterior midcingulate cortex and insula compared to exaggerated reactors during the stress condition, and a greater deactivation in the amygdala and posterior cingulate. The biological differences between groups in response to the stress task could not be explained by subjective measures of engagement, stressfulness, or difficulty. This study supports the notion that blunted peripheral physiological stress reactivity may be a marker of a corresponding under-recruitment of brain systems during behavioral states requiring motivated action." @default.
- W1497244818 created "2016-06-24" @default.
- W1497244818 creator A5047920650 @default.
- W1497244818 creator A5049428373 @default.
- W1497244818 creator A5057443597 @default.
- W1497244818 creator A5065603289 @default.
- W1497244818 creator A5067061926 @default.
- W1497244818 date "2013-01-25" @default.
- W1497244818 modified "2023-09-23" @default.
- W1497244818 title "Blunted cardiac stress reactivity relates to neural hypoactivation" @default.
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