Outline9 - Outline 9: Sensorimotor Systems I. General...

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Outline 9: Sensorimotor Systems I. General points: - Motor movement is continuously guided by sensory information- Sensory feedback - This requires the integration, by the brain, of sensory information with motor commands - Hierarchical and Parallel pathways - Sensorimotor systems are changed by learning and other experiences II. How we move A. Primary Motor cortex -the executive decision maker - Receives direct input from the Primary Somatic sensory cortex and from the thalamus - Receives more "processed" information from the Secondary motor cortex, prefrontal cortex, basal ganglia, cerebellum, etc. - Has a motor homunculus - a motor map - Makes muscles move! B. It is not just the cortex: 1. Cerebellum - timing and sequencing of motor movements - complex motor skills learning The cerebellum receives input from all sensory and motor systems. It has a massive output to the primary motor cortex 2. Basal ganglia (caudate-putamen) Input from sensory and motor cortex (and other) - output to motor cortex
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Outline9 - Outline 9: Sensorimotor Systems I. General...

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