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Strengthening of Corticospinal Connection through Recurrent Neural Interface Kenji Kato 1 , Yukio Nishimura 1,2,3 1Department of Developmental Physiology, National Institute for Physiological Sciences, National Institutes of Natural Sciences 2The Graduate University for Advanced Studies, SOKENDAI 3Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency Keyword: 人工神経接続 , シナプス可塑性 , 皮質運動ニューロン , 脊髄 , ブレイン・コンピュータ・インターフェイス , artificial neural connection , synaptic plasticity , corticomotoneuronal cell , spinal cord , brain-computer interface pp.1481-1486
Published Date 2014/12/1
DOI https://doi.org/10.11477/mf.1416200062
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Abstract

Individuals with neural damage hope to regain their impaired functions. However, therapeutic rehabilitation is lacking. Nishimura et al. (2013) have documented that the strength of neural connections between the motor cortex and the spinal cord can be modified using an autonomous recurrent neural interface that delivers electrical stimuli in the spinal cord and this is triggered by action potentials of corticospinal cells during free behavior. This activity-dependent stimulation modifies the strength of the terminal connections of single corticomotoneuronal cells, which is consistent with the bidirectional spike-timing-dependent plasticity rule previously derived from in vitro experiments. The success of our protocol suggests neurorehabilitative treatments could be possible for patients with damaged pathways.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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