…In contrast, the time waveform of the required torque was expressed as a firing rate pattern on the output side of the Purkinje cells in the muscle coordinate system. These two data indicate that an inverse dynamics model of the eye exists in this part of the cerebellar cortex. It is also suggested that this inverse dynamics model is acquired by learning, using the motor command error expressed by the climbing fiber input to the Purkinje cells as an error signal for synaptic plasticity. … *Some of the terminology that refers to the "inverse dynamics model" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…それに対してプルキンエ細胞の出力側では,筋肉の座標系で,必要なトルクの時間波形が発火頻度パターンとして表現されていた。この二つのデータから,小脳皮質のこの部分には眼球の逆ダイナミクスモデルが存在することが示された。またこの逆ダイナミクスモデルは,プルキンエ細胞への登上線維入力が表現している運動指令の誤差をシナプス可塑性の誤差信号として用いて,学習で獲得されることが示唆された。… ※「逆ダイナミクスモデル」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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