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SENSORIMOTOR MOVEMENT - Coggle Diagram
SENSORIMOTOR MOVEMENT
depends on muscle movements, release of chemicals causes muscles to contract
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skeletal muscles
fast-twitch (anaerobic)
produce fast contractions, fatigue rapidly
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stretch reflex
occurs when proprioceptors detect stretch & tension of muscle, send messages to spinal cord for contraction
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- principles of sensorimotor func.
reflexes
involuntary, consistent & automatic responses to stimuli
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- brain mechanism of movement
cerebral cortex
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prefrontal cortex
responds to lights, noises that leads to movement
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mirror neurons
important for understanding, identifying & imitating other ppl
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basal ganglia
responsible for initiating an action, not guided by stimulus
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Parkinson's disease
characterised by muscle tremors, rigidity, slow movements & difficulty initiating physical and mental activity
associated w impairment in initiating spontaneous movement in absence of stimuli to guide the action
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Huntington's disease
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associated w gradual & extensive brain damage esp in caudate nucleus, putamen, globus pallidus & cerebral cortex
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