首页> 外文会议>Annual Computational Neuroscience Meeting(CNS'02); 20020721-20020725; Chicago,IL; US >Evidence for slow (2-10 Hz) and gamma frequency coherence between spike trains and local field potentials in the cerebellum
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Evidence for slow (2-10 Hz) and gamma frequency coherence between spike trains and local field potentials in the cerebellum

机译:尖峰序列与小脑局部场电位之间缓慢(2-10 Hz)和伽马频率相干的证据

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A method for detecting relationships between single-unit spike trains and local field potentials (LFPs) was developed and applied to recordings from rat cerebellum. LFPs were repeatedly filtered with a shifting frequency window. The resulting traces were transformed into peak-time point processes for comparison with spike trains using "relative-phase" analysis (Biol. Cybernet., in press). Discharge of some Purkinje cells was phase-related to LFP oscillations in the 2-10 Hz and 30-50 Hz frequency ranges. This analysis method revealed hidden coherency between spike-trains and LFPs. The findings suggest that cerebellar activity is, to some extent, temporally organized according to both slow and fast rhythms.
机译:开发了一种方法来检测单个单位尖峰序列和局部场电势(LFP)之间的关系,并将其应用于大鼠小脑的录音。 LFP用频移窗口反复过滤。使用“相对相位”分析(Biol。Cyber​​net。,印刷中),将所得的迹线转换为峰值时间点过程,以便与峰值序列进行比较。在2-10 Hz和30-50 Hz频率范围内,某些Purkinje细胞的放电与LFP振荡相位相关。这种分析方法揭示了峰值序列和LFP之间隐藏的一致性。这些发现表明,小脑活动在一定程度上是根据慢节奏和快节奏来组织的。

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