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BMC Psychiatry. 2014 Feb 15;14:41. doi: 10.1186/1471-244X-14-41.

White matter abnormalities in adolescents with generalized anxiety disorder: a diffusion tensor imaging study.

Author information

1
Department of Psychiatry, the Second Xiangya Hospital of Central South University, Changsha, China. suly_csu@126.com.

Abstract

BACKGROUND:

Previous neuroimaging studies have suggested an abnormal neural circuitry of emotion regulation including the amygdala and prefrontal cortex in both adult and adolescent generalized anxiety disorder (GAD) patients. Aberrant integrity of white matter in this neural circuitry has been verified in adult GAD patients. White matter abnormalities in adolescent GAD patients have not been detected.

METHODS:

Twenty-five adolescents with GAD and 24 healthy controls underwent a diffusion tensor imaging scan. Fractional anisotropy (FA) was compared between groups with a voxel-wise Tract-Based Spatial Statistics (TBSS) analysis method.

RESULTS:

Compared with healthy controls, adolescents with GAD showed significantly reduced FA in bilateral uncinate fasciculus, inferior fronto-occipital fasciculus, inferior longitudinal fasciculus, and corona radiata.

CONCLUSIONS:

The findings in the present study suggest a neural basis of emotion dysregulation in adolescent GAD patients.

PMID:
24528558
PMCID:
PMC3937009
DOI:
10.1186/1471-244X-14-41
[Indexed for MEDLINE]
Free PMC Article

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