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Amanda E. Guyer, PhD; Jennifer Y. F. Lau, PhD; Erin B. McClure-Tone, PhD; Jessica Parrish, BA; Nina D. Shiffrin, BS; Richard C. Reynolds, MS; Gang Chen, PhD; R. J. R. Blair, PhD; Ellen Leibenluft, MD; Nathan A. Fox, PhD; Monique Ernst, MD; Daniel S. Pine, MD; Eric E. Nelson, PhD

Arch Gen Psychiatry. 2008;65(11):1303-1312.

Context  Amygdala and ventrolateral prefrontal cortex (vlPFC) dysfunction manifests in adolescents with anxiety disorders when they view negatively valenced stimuli in threatening contexts. Such fear-circuitry dysfunction may also manifest when anticipated social evaluation leads socially anxious adolescents to misperceive peers as threatening.

Objective  To determine whether photographs of negatively evaluated smiling peers viewed during anticipated social evaluation engage the amygdala and vlPFC differentially in adolescents with and without social anxiety.

Design  Case-control study.

Setting  Government clinical research institute.

Participants  Fourteen adolescents with anxiety disorders associated with marked concerns of social evaluation and 14 adolescents without a psychiatric diagnosis matched on sex, age, intelligence quotient, and socioeconomic status.

Main Outcome Measures  Blood oxygenation level–dependent signal measured with event-related functional magnetic resonance imaging. Before and during neuroimaging scans, participants anticipating social evaluation completed peer- and self-appraisals. Event-related analyses were tailored to participants' ratings of specific peers.

Results  Participants classified 40 pictures of same-age peers as ones with whom they did or did not want to engage in a social interaction. Anxious adolescents showed greater amygdala activation than healthy adolescents when anticipating evaluation from peers previously rated as undesired for an interaction. Psychophysiological interaction connectivity analyses also revealed a significant positive association between amygdala and vlPFC activation in anxious vs healthy adolescents in response to these stimuli.

Conclusions  Anticipating social evaluation from negatively perceived peers modulates amygdala and vlPFC engagement differentially in anxious and healthy adolescents. Amygdala and vlPFC dysfunction manifests in adolescent anxiety disorders in specific contexts of anticipated peer evaluation.

Author Affiliations: Mood and Anxiety Program (Drs Guyer, Lau, Blair, Leibenluft, Ernst, Pine, and Nelson and Ms Shiffrin) and Scientific and Statistical Computing Core (Dr Chen and Mr Reyonlds), National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland; Department of Psychology, Georgia State University, Atlanta, Georgia (Dr McClure-Tone); Department of Psychology, Catholic University, Washington, DC (Ms Parrish); and Department of Human Development, University of Maryland, College Park, Maryland (Dr Fox).

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