Abstract
The prefrontal cortex has been considered to be essential for initiative and reasoning behaviour in humans, and delayed and discriminative movement tasks in monkeys (see Fulton 1949; Rosenkilde 1979; Luria 1966; Fuster 1989). We have studied, in monkey experiments, the functional role of prefrontal cortex in the organization and control of conditioned hand movements in response to visual stimuli (see Sasaki 1985). Several parts of the prefrontal cortex, especially the prearcuate area, are very active in initiating simple reaction-time hand movements in response to visual stimuli and are important in processes of learning the movement (Sasaki and Gemba 1982). The wide areas of the prefrontal cortex together with the premotor cortex were found to be continuously excited between warning and imperative stimuli, and to produce contingent negative variation (CNV) (Sasaki et al. 1990; Gemba et al. 1990).KeywordsPrefrontal CortexHand MovementApical DendriteContingent Negative VariationOnset PulseThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
Published Version
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