Neuronal activity in the cortical supplementary motor area related with distal and proximal forelimb movements
Abstract
Monkeys were trained to perform two different motor acts, one involving muscle activity in distal forelimb muscles and the other in proximal forelimb and shoulder girdle muscles. After confirming spatial and temporal dissociation of muscle activity in the two motor acts, single unit activity in the supplementary motor area (SMA) was recorded. SMA neurons related with the distal and proximal forelimb movements were found to be arranged rostrocaudally with a considerable overlap. In the overlapping region, neurons related with the distal movement were located more deeply.
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Activity in SMA and pre-SMA increases before voluntary movement, reflecting preparation to move.
“Furthermore, activity in the SMA and pre-SMA increases before voluntary movement, reflecting the preparation to move (21–25).”
From Threatening a rubber hand that you feel is yours elicits a cortical anxiety response. (2007) · cites this paper as [25]
Cites
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Parallel organization of functionally segregated circuits linking basal ganglia and cortex
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- Authors
- Tanji, J., & Kurata, K.
- Affiliations
- Hokkaido University (JP)
- Venue
- Neuroscience Letters
- Publisher
- Elsevier BV
- Published
- 1979-05
- Volume
- 12
- Issue
- 2-3
- Pages
- 201-206
- ISSN
- 0304-3940 (ISSN-L)
- OpenAlex
- W2075590639
- Cited by
- 72
- References
- 8
- Citations by year
- 2025: 1 · 2022: 1 · 2021: 2 · 2015: 1 · 2014: 1 · 2013: 1
- FWCI
- 1.37
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Neuroscience Letters (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
- Keywords
- supplementary motor area, single-unit activity, shoulder girdle muscles, motor cortex, monkeys
- MeSH terms
- Animals, Haplorhini, Cerebral Cortex, Forelimb, Motor Activity, Muscles, Neurons
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