HIGH-FREQUENCY NETWORK OSCILLATION IN THE HIPPOCAMPUS

被引:886
作者
BUZSAKI, G [1 ]
HORVATH, Z [1 ]
URIOSTE, R [1 ]
HETKE, J [1 ]
WISE, K [1 ]
机构
[1] UNIV MICHIGAN,CTR INTEGRATED SENSORS & CIRCUITS,ANN ARBOR,MI 48109
关键词
D O I
10.1126/science.1589772
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Pyramidal cells in the CA1 hippocampal region displayed transient network oscillations (200 hertz) during behavioral immobility, consummatory behaviors, and slow-wave sleep. Simultaneous, multisite recordings revealed temporal and spatial coherence of neuronal activity during population oscillations. Participating pyramidal cells discharged at a rate lower than the frequency of the population oscillation, and their action potentials were phase locked to the negative phase of the simultaneously recorded oscillatory field potentials. In contrast, interneurons discharged at population frequency during the field oscillations. Thus, synchronous output of cooperating CA1 pyramidal cells may serve to induce synaptic enhancement in target structures of the hippocampus.
引用
收藏
页码:1025 / 1027
页数:3
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