期刊
JOURNAL OF COGNITIVE NEUROSCIENCE
卷 26, 期 1, 页码 107-119出版社
MIT PRESS
DOI: 10.1162/jocn_a_00460
关键词
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资金
- European Community [HEALTH-F2-2008-200728]
- National Institute of Mental Health [R01 1R01MH096482, HD061117-05A2]
- G. D'Annunzio University Foundation, Chieti, Italy
- Italian Ministry of Health [GR-2008-1143091]
The default mode network is active during restful wakefulness and suppressed during goal-driven behavior. We hypothesize that inhibitory interference with spontaneous ongoing, that is, not task-driven, activity in the angular gyrus (AG), one of the core regions of the default mode network, will enhance the dominant idling EEG alpha rhythms observed in the resting state. Fifteen right-handed healthy adult volunteers underwent to this study. Compared with sham stimulation, magnetic stimulation (1 Hz for 1 min) over both left and right AG, but not over FEF or intraparietal sulcus, core regions of the dorsal attention network, enhanced the dominant alpha power density (8-10 Hz) in occipitoparietal cortex. Furthermore, right AG-rTMS enhanced intrahemispheric alpha coherence (8-10 Hz). These results suggest that AG plays a causal role in the modulation of dominant low-frequency alpha rhythms in the resting-state condition.
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