24_Mar16_KS_voluntarymovement

24_Mar16_KS_voluntarymovement - 1 Voluntary movements...

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Unformatted text preview: 1 Voluntary movements Primary motor cortex (controlling movements) Supplemental motor cortex supplementary motor area (planning movement, internal) premotor cortex (guidance of movement, external) posterior parietal cortex (integrates sensory and motor) 1 Primary motor cortex involved in controlling movement Axons from motor cortex project to the spinal cord (corticospinal tract) 2 2 There is a somatotopic map in the primary motor cortex 3 Primary motor cortex is essential for fine motor movements 4 3 Corticomotorneuronal (CM) cells show task-specific activity not motor-specific activity 5 Separation of movement from planning movement Supplementary motor area involved in planning (internal) 6 4 Premotor cortex F5: Neurons that respond to hand movements Inferior parietal lobule (PF) Respond to sensory stimuli (90%) 50% respond during motor movements Sensory-based planning flows from Parietal lobe to premotor cortex to motor cortex 7 Neurons in the Premotor area respond to task-specific movements 8 5...
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This note was uploaded on 04/05/2010 for the course MCB 167 taught by Professor Feldman during the Spring '10 term at University of California, Berkeley.

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24_Mar16_KS_voluntarymovement - 1 Voluntary movements...

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