ArticleThe European journal of neuroscience2021
Dexterous manual movement facilitates information processing in the primary somatosensory cortex: A magnetoencephalographic study.
Article in The European journal of neuroscience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 12 citations in OpenAlex.
- Short latency afferent inhibition differs with load type during isometric finger abduction.Journal of physiological anthropology · 2026Article
- Temporal dynamics of somatosensory gating and facilitation in the primary somatosensory cortex during finger movements.Cerebral cortex (New York, N.Y. : 1991) · 2025Article
- Motor Interaction Control Based on Muscle Force Model and Depth Reinforcement Strategy.Biomimetics (Basel, Switzerland) · 2024Article
- Similar somatotopy for active and passive digit representation in primary somatosensory cortex.Human brain mapping · 2023Article
- The relationships between motor behavior and sensory gating in the ball rotation task.Experimental brain research · 2022Article
- Cutaneous information processing differs with load type during isometric finger abduction.PloS one · 2022Article
- Dexterous manual movement facilitates information processing in the primary somatosensory cortex: A magnetoencephalographic study.The European journal of neuroscience · 2021Article
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Authors and funding
3 authors at 2 institutions in 1 country.
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Abstract
The interaction between the somatosensory and motor systems is important for control of movement in humans. Cortical activity related to somatosensory response and sensory perception is modulated by the influence of movement executing mechanisms. This phenomenon has been observed as inhibition in the short-latency components of somatosensory evoked potentials and magnetic fields (SEPs/SEFs). Although finger is the most dexterous among all the body parts, the sensorimotor integration underlying this dexterity has not yet been elucidated. The purpose of this study was to examine the sensorimotor integration mechanisms in the primary somatosensory cortex (SI) during simple and complicated finger movement. The participant performed tasks that involved picking up a wooden block (PM task) and picking up and turning the wooden block 180° (PTM task) using the right-hand fingers. During these tasks, the SEFs following right median nerve stimulation were recorded using magnetoencephalography. The amplitude of the M20 and M30 components showed a significant reduction during both manual tasks compared to the stationary task, whereas the M38 component showed a significant enhancement in amplitude. Furthermore, the SEFs recorded during continuous rotation of the block (rotation task) revealed a characteristic pattern of SI activity that was first suppressed and then facilitated. Since this facilitation is noticeable during complicated movement of the fingers, this phenomenon is thought to underlie a neural mechanism related to finger dexterity.
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