• Nicole R Giuliani, Emily M Drabant, Roshni Bhatnagar, and James J Gross.
• Psychology Department, Stanford University, Stanford, CA, USA. nicole.giuliani@gmail.com
• Neuroimage. 2011 Sep 1;58(1):10-5.

AbstractExpressive suppression is an emotion regulation strategy that requires interoceptive and emotional awareness. These processes both recruit the anterior insula. It is not known, however, whether increased use of expressive suppression is associated with increased anterior insula volume. In the present study, high-resolution anatomical MRI images were used to calculate insula volumes in a set of 50 healthy female subjects (mean 21.9 years) using both region of interest (ROI) and voxel-based morphometry (VBM) approaches. Participants also completed trait measures of expressive suppression usage, cognitive reappraisal usage, and negative emotional reactivity (the latter two served as control measures). As predicted, both ROI and VBM methods found that expressive suppression usage, but not negative affect and cognitive reappraisal, was positively related to anterior insula volume. These findings are consistent with the idea that trait patterns of emotion processing are related to brain structure.Copyright © 2011 Elsevier Inc. All rights reserved.

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