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- W1595011010 abstract "A few neuroimaging studies have demonstrated the key brain areas associated with generalized anxiety disorder (GAD). However, the brain metabolic changes in the dorsolateral prefrontal cortex (DLPFC) of patients with GAD are unclear. This study utilized 3-Tesla proton magnetic resonance spectroscopy ((1) H-MRS) to assess the DLPFC metabolic change and its correlation with symptom severity in patients with GAD.Patients with GAD diagnosed using the DSM-IV-TR and age-matched healthy controls participated in this study. Brain metabolite concentrations were measured from a localized voxel on the DLPFC using 3-Tesla (1) H-MRS. Also, the volumetric composition of the gray matter and white matter volumes was assessed using voxel-based morphometry.The choline/creatine and choline/N-acetylaspartate ratios were significantly lower in patients than in controls. However, there were no significant differences in other metabolite ratios between the two groups. Choline concentrations were negatively correlated with anxiety levels as measured by the Hamilton Anxiety Rating Scale and the Generalized Anxiety Disorder Scale 7. There was no significant difference in the gray matter and white matter volumes in the MRS voxel between the two groups.The present study demonstrates that GAD is associated with low a level of choline/N-acetylaspartate in the DLPFC, which is closely related with symptom severity and cognitive dysfunction. This finding will be useful for an understanding of the neural mechanism associated with GAD." @default.
- W1595011010 created "2016-06-24" @default.
- W1595011010 creator A5014887668 @default.
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- W1595011010 date "2015-02-23" @default.
- W1595011010 modified "2023-09-26" @default.
- W1595011010 title "Metabolic change in the right dorsolateral prefrontal cortex and its correlation with symptom severity in patients with generalized anxiety disorder: Proton magnetic resonance spectroscopy at 3 Tesla" @default.
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- W1595011010 doi "https://doi.org/10.1111/pcn.12279" @default.
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