関連する実験動画

Updated: May 1, 2026

Corticospinal Excitability Modulation During Action Observation
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Corticospinal Excitability Modulation During Action Observation

Published on: January 1, 2014

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主要運動皮質の運動実行と運動イメージの間の共有ニューラル表現

Fumihito Imai1, Jun Shinozaki2, Hidekazu Saito2,3

  • 1Department of Psychology, Graduate School of Humanities and Human Sciences, Hokkaido University, Sapporo, Japan.

Imaging neuroscience (Cambridge, Mass.)
|February 20, 2026
PubMed
まとめ

モーターイメージは,指の表現であるプライマリモーター皮質 (M1) を部分的に活性化させ,モーター実行と似ていますが,同一ではありません. この脳イメージング研究では,想像した指の動きと実行された指の動きの間に共有された神経パターンを明らかにします.

キーワード:
機能性磁気共鳴画像 (fMRI) についてキネステティックモーターイメージングマルチヴォクセルパターン分析 (MVPA)プライマリモーター皮質 (M1)

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The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
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The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
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Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
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