Anxiety and amygdala connectivity during movie-watching. Kirk, P. A., Robinson, O. J., & Skipper, J. I. Neuropsychologia, 169:108194, May, 2022. doi abstract bibtex Rodent and human studies have implicated an amygdala-prefrontal circuit during threat processing. One possibility is that while amygdala activity underlies core features of anxiety (e.g. detection of salient information), prefrontal cortices (i.e. dorsomedial prefrontal/anterior cingulate cortex) entrain its responsiveness. To date, this has been established in tightly controlled paradigms (predominantly using static face perception tasks) but has not been extended to more naturalistic settings. Consequently, using 'movie fMRI'-in which participants watch ecologically-rich movie stimuli rather than constrained cognitive tasks-we sought to test whether individual differences in anxiety correlate with the degree of face-dependent amygdala-prefrontal coupling in two independent samples. Analyses suggested increased face-dependent superior parietal activation and decreased speech-dependent auditory cortex activation as a function of anxiety. However, we failed to find evidence for anxiety-dependent connectivity, neither in our stimulus-dependent or -independent analyses. Our findings suggest that work using experimentally constrained tasks may not replicate in more ecologically valid settings and, moreover, highlight the importance of testing the generalizability of neuroimaging findings outside of the original context.
@article{kirk_anxiety_2022,
title = {Anxiety and amygdala connectivity during movie-watching},
volume = {169},
copyright = {All rights reserved},
issn = {1873-3514},
doi = {10.1016/j.neuropsychologia.2022.108194},
abstract = {Rodent and human studies have implicated an amygdala-prefrontal circuit during threat processing. One possibility is that while amygdala activity underlies core features of anxiety (e.g. detection of salient information), prefrontal cortices (i.e. dorsomedial prefrontal/anterior cingulate cortex) entrain its responsiveness. To date, this has been established in tightly controlled paradigms (predominantly using static face perception tasks) but has not been extended to more naturalistic settings. Consequently, using 'movie fMRI'-in which participants watch ecologically-rich movie stimuli rather than constrained cognitive tasks-we sought to test whether individual differences in anxiety correlate with the degree of face-dependent amygdala-prefrontal coupling in two independent samples. Analyses suggested increased face-dependent superior parietal activation and decreased speech-dependent auditory cortex activation as a function of anxiety. However, we failed to find evidence for anxiety-dependent connectivity, neither in our stimulus-dependent or -independent analyses. Our findings suggest that work using experimentally constrained tasks may not replicate in more ecologically valid settings and, moreover, highlight the importance of testing the generalizability of neuroimaging findings outside of the original context.},
language = {eng},
journal = {Neuropsychologia},
author = {Kirk, Peter A. and Robinson, Oliver J. and Skipper, Jeremy I.},
month = may,
year = {2022},
pmid = {35245529},
pmcid = {PMC8987737},
keywords = {*Amygdala/diagnostic imaging, *Motion Pictures, Amygdala, Anxiety, Anxiety Disorders, Anxiety/diagnostic imaging, Humans, Magnetic Resonance Imaging, Magnetic Resonance Imaging/methods, Motion Pictures, Naturalistic, Neural Pathways, Neural Pathways/diagnostic imaging, Prefrontal Cortex, fMRI},
pages = {108194},
}
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Consequently, using 'movie fMRI'-in which participants watch ecologically-rich movie stimuli rather than constrained cognitive tasks-we sought to test whether individual differences in anxiety correlate with the degree of face-dependent amygdala-prefrontal coupling in two independent samples. Analyses suggested increased face-dependent superior parietal activation and decreased speech-dependent auditory cortex activation as a function of anxiety. However, we failed to find evidence for anxiety-dependent connectivity, neither in our stimulus-dependent or -independent analyses. 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