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PSYC326 Quiz 4: Chapter 8

Terms in this set (24)

somatotopic organization
a topographically organized mapping of parts of the body that are represented in a particular region of the brain
supplementary motor area (SMA)
learned motor sequences
premotor cortex
involved in learning and executing complex movements that are guided by sensory information
lateral group
independent limb movements: corticospinal tract, corticobulbar tract, rubrospinal tract
ventromedial group
automatic movements: vestibulospinal tract, tectospinal tract, reticulospinal tract, ventral corticospinal tract
lateral corticospinal tract (lateral group)
fingers, hands, arms: grasping and manipulating objects
rubrospinal tract (lateral group)
hands (not fingers), lower arms, feet, lower legs: movement of forearms and hands independent from that of the trunk
corticobulbar tract (lateral group)
face and tongue movements
vestibulospinal tract (ventromedial group)
trunk and legs: posture
tectospinal tract (ventromedial group)
neck and trunk: coordination of eye movements with those of trunk and head
lateral reticulospinal tract (ventromedial group)
flexor muscles of legs: walking
medial reticulospinal tract (ventromedial group)
extensor muscles of legs: walking
ventral corticospinal tract (ventromedial group)
hands (not fingers), lower arms, feet, and lower legs: locomotion and posture
posterior SMA
perform sequences of learned movements
SMA
plan the elements yet to come in a series of movements
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