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The neural representation of emotionally neutral faces and places in patients with panic disorder with agoraphobia. | LitMetric

The neural representation of emotionally neutral faces and places in patients with panic disorder with agoraphobia.

J Affect Disord

Department of Psychiatry and Psychotherapy, Universitätsklinikum Carl Gustav Carus, Fetscherstrasse 74, 01307 Dresden, Germany. Electronic address:

Published: January 2014

AI Article Synopsis

Article Abstract

Background: Panic disorder with agoraphobia (PD-A) has been associated with abnormal neural activity for threat-related stimuli (faces, places). Recent findings suggest a disturbed neural processing of emotionally neutral stimuli at a more general level.

Methods: Using functional magnetic resonance imaging (fMRI) we investigated the neural processing of emotionally neutral faces and places in PD-A. Fifteen patients with PD-A and fifteen healthy subjects participated in the study.

Results: When they perceived neutral faces and places, the patients with PD-A showed significantly less brain activity in the fusiform gyrus, the inferior occipital gyrus, the calcarine gyrus, the cerebellum, and the cuneus compared with the healthy controls. However, the patients with PD-A showed significantly more brain activity in the precuneus compared with controls subjects.

Limitations: It was not possible to distinguish the agoraphobia-associated effects from possible contributions due to general anxiety induced by fMRI. For future investigations, an additional clinical control group with patients suffering from panic disorder without agoraphobia would be of interest. In addition, the psychopathology concerning the agoraphobic symptoms needs to be investigated in more detail.

Conclusions: The findings suggest altered neural processing of emotionally neutral faces and places in patients with PD-A. Reduced neural activity in different brain regions may indicate difficulties in recognizing the emotional content in face and place stimuli due to anxiety-related hyper-arousal.

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Source
http://dx.doi.org/10.1016/j.jad.2013.10.016DOI Listing

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