The classic supplementary motor area is formed by two independent areas.
Rizzolatti
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G
Institute of Human Physiology, University of Parma, Italy.
Luppino
G
G
Matelli
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M
D000818:Animals; D006801:Humans; D009044:Motor Cortex / Q000033:anatomy & histology* / Q000166:cytology / Q000502:physiology*; D009434:Neural Pathways / Q000033:anatomy & histology / Q000166:cytology / Q000502:physiology