2020
DOI: 10.3389/fnins.2020.585509
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Repeatability of Neural and Autonomic Responses to Acute Psychosocial Stress

Abstract: FMRI Montreal Imaging Stress Tasks (MIST) have been shown to activate endocrine and autonomic stress responses that are mediated by a prefrontal cortex (PFC)-hippocampus-amygdala circuit. However, the stability of the neurobehavioral responses over time and the ability to monitor response to clinical interventions has yet to be validated. The objective of this study was to compare the fMRI and physiologic responses to acute psychosocial stress in healthy volunteers during initial and follow-up visits approxima… Show more

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Cited by 8 publications
(9 citation statements)
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“…Decreased AIC activation during stressful math performance (SMT compared to CMT) has been observed in prior literature with healthy control subjects completing MIST variants 32,41 . In particular, decreased AIC activation was linked to increased sympathoadrenomedullary autonomic arousal (cardiac, salivary α‐amylase) 32 and hypothalamic–pituitary–adrenal axis endocrine release (cortisol) 41 …”
Section: Discussionmentioning
confidence: 80%
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“…Decreased AIC activation during stressful math performance (SMT compared to CMT) has been observed in prior literature with healthy control subjects completing MIST variants 32,41 . In particular, decreased AIC activation was linked to increased sympathoadrenomedullary autonomic arousal (cardiac, salivary α‐amylase) 32 and hypothalamic–pituitary–adrenal axis endocrine release (cortisol) 41 …”
Section: Discussionmentioning
confidence: 80%
“…A variant of the original MIST 27,39,47 was utilized to assess neural responses and connectivity during stress experience. Both the original MIST and this variant [31][32][33][34] have been extensively validated as a method for elicitation and measurement of acute stress reactivity and emotion regulation in healthy and neuropsychiatric populations. We hypothesized that patients experiencing FS who were diagnosed earlier in the course of illness would demonstrate different patterns of stressor response in the relevant processing circuits, compared to those with delayed diagnosis.…”
Section: Discussionmentioning
confidence: 99%
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“…Participants completed the SMT, a modified version of the Montreal Imaging Stress Task (MIST) ( 35 , 36 ), which includes a control condition of 40 math problems and two answer choices and a stress condition of 80 more difficult math problems and three answer choices ( 37 , 38 ). Each math problem was presented for 5 s with a 1.5 s inter-trial interval, during which a fixation point was presented, between problems.…”
Section: Methodsmentioning
confidence: 99%