PPY 2540 Study Guide - Midterm Guide: Posterior Grey Column, Lobes Of The Brain, Premotor Cortex
19 Oct 2016
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Pre-programmed to move-- series of things to do to make a movement. Not thought about - would take to long. To carry out the function primary motor cortex. Thalamus tells primary motor to carry out function. Tremors and discoordinated movements with no basal ganglia. Thalamus has to decide the perfect set to create an action. Ganglia shuts off everything, except for what the thalamus has preset. I don"t know if there even is one this even though he spent 10 mins on it -- talking aout. Descending tracts in brain (not sensory--those are ascending) a. ) All somatic start in spinal cord (higher order) b. ) Reflexes don"t have to go through higher order c. ) visceral go to medulla, goes to organs d. ) autonomic - involuntary (visceral and reflex are in this category) e. ) none of the answers are correct on how somatic and. Primary motor cortex - does each neuron control the contraction of one muscle fiber? a. )
