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Cell activities in primate areas F2 and F4 of the monkey during sequential motor task guided by recognition of figures
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- Author:
- No author available
- Journal Title:
- ACTA PHYSIOLOGICA SINICA
- Issue:
- 1
- DOI:
- 10.3321/j.issn:0371-0874.2000.01.006
- Key Word:
- 细胞活动;有序运动;背外侧运动前皮层;腹外侧运动前皮层;猕猴
Abstract： 用细胞外记录的方法研究了猕猴在执行图形辨认引导的有序运动(FRS)时大脑皮层弓形沟距周围背外侧运动前皮层(PMd)F2 区和腹外侧运动前皮层(PMv)F4区的放电活动.在FRS的暗示期,F2 和F4区中分别有52%(39/75)和16.9%(13/77)的细胞发生放电变化;在触摸反应期,各有51%(38/75)和87%(67/77)的细胞发生放电变化,经统计检验,均有显著差异.F2 区比F4区有更多细胞对FRS任务中的暗示信号发生放电反应(X2＝20.8,P<0.005),而F4区比F2 区有更多细胞在执行触摸反应时发生放电反应(X2＝23.5,P<0.005).结果表明,弓形沟距周围的PMd和PMv均参与FRS行为,但两者的参与方式可能不尽相同.本研究为PMd和PMv参与图形引导的有序运动的调控机制提供了证据.
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