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学科主题基础医学
Coding of peripheral electrical stimulation frequency in thalamocortical pathways
Yang, H; Chang, JY; Woodward, DJ; Baccala, LA; Han, JS; Luo, F
关键词frequency perception frequency-specific response anterior cingulate cortex primary somatosensory cortex thalamus partial directed coherence transcutaneous electric nerve stimulation analgesia
刊名EXPERIMENTAL NEUROLOGY
2005-11-01
DOI10.1016/j.expneurol.2005.07.019
196期:1页:138-152
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Neurosciences
研究领域[WOS]Neurosciences & Neurology
关键词[WOS]PARTIAL DIRECTED COHERENCE ; COMPUTER-INTERFACE BCI ; MANY-NEURON ENSEMBLES ; SOMATOSENSORY SYSTEM ; SINGLE NEURON ; AWAKE RATS ; ELECTROACUPUNCTURE ; RESPONSES ; MODULATION ; ACUPUNCTURE
英文摘要

Frequency information of the environment is an important feature for sensory perception. It has been demonstrated that cortical and thalamic neurons exhibited frequency-specific responses to peripheral stimulation. In the present study, we investigated the effects of 1-100 Hz peripheral electrical stimulations on various thalamic and cortical areas in awake rats. We used chronically implanted microelectrode arrays to record neural activities from the anterior cingulate cortex, primary somatosensory cortex, and medial dorsal and ventral posterior thalamus. The results revealed that cortical and thalamic neurons exhibited frequency-specific responses at both single-neuron and ensemble levels. Clusters of neurons responded to different frequency ranges with changes of both the peak firing rates and the phases of the peak responses in a stimulation cycle. Partial directed coherence analysis showed that information flowing between these recorded areas is also enhanced or inhibited in some frequency-specific pattern during stimulation. These evidences suggest that central nervous system may code environmental frequency information mainly with the activation of selected neural circuits according to their own intrinsic electrical properties. These properties, in turn, may facilitate or inhibit their responses when stimulation with specific frequency information arrives. (c) 2005 Elsevier Inc. All rights reserved.

语种英语
WOS记录号WOS:000232753000016
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被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.bjmu.edu.cn/handle/400002259/56344
专题北京大学基础医学院_神经生物学系
作者单位1.Peking Univ, Neurosci Res Inst, Beijing 100083, Peoples R China
2.Peking Univ, Dept Neurobiol, Beijing 100083, Peoples R China
3.Wake Forest Univ, Dept Physiol & Pharmacol, Winston Salem, NC 27157 USA
4.Univ Sao Paulo, Escola Politecn, BR-05508 Sao Paulo, Brazil
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Yang, H,Chang, JY,Woodward, DJ,et al. Coding of peripheral electrical stimulation frequency in thalamocortical pathways[J]. EXPERIMENTAL NEUROLOGY,2005,196(1):138-152.
APA Yang, H,Chang, JY,Woodward, DJ,Baccala, LA,Han, JS,&Luo, F.(2005).Coding of peripheral electrical stimulation frequency in thalamocortical pathways.EXPERIMENTAL NEUROLOGY,196(1),138-152.
MLA Yang, H,et al."Coding of peripheral electrical stimulation frequency in thalamocortical pathways".EXPERIMENTAL NEUROLOGY 196.1(2005):138-152.
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