The cerebellum gets a lot of input from cortex brain

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Unformatted text preview: ck, proximal extremities (upper arms/legs) Large muscle groups that contract together to maintain posture and balance Contrast to pyramidal which control smaller muscle groups that contract independently Some cross over, others do not, some bilateral Parallel processing: not the same as redundancy, but in injury can help, so is some integration Control of Posture Brain stem exerts involuntary control over posture via extrapyramidal tracts Brain stem areas can not initiate voluntary movement Reticular formation Vestibular nuclei Red nuclei Input to brainstem from Sensory receptors from skin Proprioceptors in muscle and joints Vestibular apparatus (inner ear/ head motion) Eyes and ears for response to visual and auditory Feedback can alter not only programming, but also the intention or plan. The cerebellum gets a lot of input from cortex, brain stem, spinal cord. The stem and cord gets a lot of information from the sensory information. The sensory and motor cortex allows the cycle to continue “Guidance system” is fine tuning cerebellum Damaged- intention tremor cerebellum Maximum knee bend in Tai Chi still has the maximu...
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This document was uploaded on 03/23/2014 for the course BIOL 175 at Georgetown.

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