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KMID : 1118520200170060608
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Psychiatry Investigation
2020 Volume.17 No. 6 p.608 ~ p.612
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The Role of Insular Cortex in Response to Group Therapy in Vaginismus Patients: Magnetic Resonance Spectroscopy Study
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Erbay Mehmet Fatih
Zayman Esra Porgali
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Abstract
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Objective: Disgust has been propounded as a potential etiological factor in certain sexual dysfunctions such as vaginismus. Studies reports that insular cortex is activated as a response to disgust. The present study aimed to investigate the predictive role of metabolites in insular cortex in response to group therapy among vaginismus patients.
Methods: Study sample consisted of 51 vaginismus patients attended an ambulatory group therapy, of whom 26 benefited from 8-week group therapy and 25 were unresponsive to group therapy. All of the patients underwent H magnetic resonance spectroscopy (H-MRS), and insular cortex N-acetyl aspartate (NAA), Creatinine (Cr), Glutamine (Gln), Glutathione (GSH), Choline (Cho), Myo-inositol (mIns), Glutamate (Glu) and Lactate (Lac) concentrations were compared between the groups.
Results: Comparing insular cortex metabolite concentrations between the groups, Cho was statistically significantly higher (p=0.005) but mIns was significantly lower (p=0.001) in the unresponsive to group therapy group.
Conclusion: MR spectroscopy findings of the present study indicated significant metabolic changes such as increased Cho/Cr ratio and decreased mIns/Cr ratio in the insular cortex of vaginismus patients who were unresponsive to group therapy. Our results support the studies suggesting that disgust is an important emotion in vaginismus patients and also that insula plays a role in the neurobiology of disgust.
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KEYWORD
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Vaginismus, Insular cortex, Responsive to group therapy, Magnetic resonance spectroscopy
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