OSCILLATORY BRAIN ACTIVITY DURING A MOTOR TASK

被引：80
|
作者：
KRISTEVAFEIGE, R [1 ]
FEIGE, B [1 ]
MAKEIG, S [1 ]
ROSS, B [1 ]
ELBERT, T [1 ]
机构：
[1] USN,NAVAL HLTH RES CTR,SAN DIEGO,CA 92186
来源：
NEUROREPORT | 1993年 / 4卷 / 12期
关键词：
MAGNETOENCEPHALOGRAPHY (MEG); OSCILLATORY ACTIVITY; SENSORIMOTOR INTEGRATION; GAMMA BAND; MOTOR CORTEX; RHYTHMIC; EEG;
D O I：
10.1097/00001756-199309150-00001
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
CHANGES in spectral power in neuromagnetic fields associated with a manual task requiring a high level of sensorimotor integration (SMI) were investigated by analysing spontaneous, non-invasively recorded activity during motor preparation (WAIT), task performance (SMI), and control (REST) conditions in four healthy, right-handed human subjects. Neuromagnetic fields were recorded over the left sensorimotor cortex using a 37-channel instrument. In all subjects, a prominent narrow-band motor preparation rhythm centred near 19 Hz was consistently observed during the WAIT state. During SMI, mean relative increases in 26-30 Hz activity appeared in two of the subjects, paralleling gamma band enhancement recently observed during SMI in monkeys.
引用
收藏
页码：1291 / 1294
页数：4
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