کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6787235 1432566 2018 19 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Directional brain networks underlying OM chanting
موضوعات مرتبط
علوم زیستی و بیوفناوری علم عصب شناسی علوم اعصاب (عمومی)
پیش نمایش صفحه اول مقاله
Directional brain networks underlying OM chanting
چکیده انگلیسی
OM chanting is an ancient technique of Indian meditation. OM chanting is associated with an experience of relaxation, changes in autonomic balance and deactivation of limbic brain regions. While functional localization is important, how brain regions interact with each other has been shown to underlie various brain functions. Therefore, in this study, we tested the hypothesis that there is reduced communication between deactivated regions during OM chanting. In order to do so, we employed multivariate autoregressive model (MVAR) based Granger causality to obtain directional connectivity between deactivated regions. fMRI scans of 12 right handed healthy volunteers (9 Men) from a previously published study was used in which participants performed OM chanting and a control condition in a block design. We found that outputs from insula, anterior cingulate and orbitofrontal cortices were significantly reduced in OM condition. Of interest is the reduction of outputs from these regions to limbic area amygdala. Modulation of brain regions involved in emotion processing and implicated in major depressive disorder (MDD) raises a potential possibility of OM chanting in the treatment of MDD.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Asian Journal of Psychiatry - Volume 37, October 2018, Pages 20-25
نویسندگان
, , , , , , ,