Kozlova L I, Bezmaternykh D D, Mel'nikov M E, Savelov A A, Petrovskii E D, Shtark M B
Research Institute of Molecular Biology and Biophysics, Novosibirsk, Russia.
Novosibirsk State University, Novosibirsk, Russia.
Bull Exp Biol Med. 2017 Mar;162(5):619-623. doi: 10.1007/s10517-017-3671-8. Epub 2017 Mar 31.
Brain EEG-fMRI activity was studied in subjects, who had successfully completed the EEG alpha stimulating training course (20 sessions): for 14 healthy men (20-35 years) three records were obtained in the feedback loop (biofeedback with EEG alpha rhythm with sound reinforcement): in the beginning, middle and at the end of the course. During alpha training, increased functional connectivity was revealed between precuneus network and anterior salience network, left executive control network, default mode network, primary visual network; anterior salience network and executive control network, visual-spatial network. The most prominent changes were found for precuneus network and anterior salience network, which could be due to their key role in the biofeedback phenomenon. Significant changes in functional connectivity were recorded for anterior salience network and precuneus network (synchronicity increased from the first to the third trial) and right and left executive control networks (weakening from the first to the second session.
对成功完成脑电图α波刺激训练课程（20节）的受试者进行了脑电-功能磁共振成像活动研究：14名健康男性（20至35岁）在反馈回路（伴有声音强化的脑电图α波节律生物反馈）中进行了三次记录，分别在课程开始、中期和结束时。在α波训练期间，楔前叶网络与前突显网络、左侧执行控制网络、默认模式网络、初级视觉网络之间的功能连接增强；前突显网络与执行控制网络、视觉空间网络之间的功能连接增强。楔前叶网络和前突显网络的变化最为显著，这可能是由于它们在生物反馈现象中起关键作用。前突显网络和楔前叶网络的功能连接有显著变化（从第一次试验到第三次试验同步性增加），左右执行控制网络也有显著变化（从第一次到第二次训练减弱）。
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