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CSD 450 Study Guide – Exam #1
3 major structures of the brain
cerebrum, cerebellum, brainstem
cerebrum
2 hemispheres connected by corpus callosum. Organized into 4 lobes
cerebellum function
balance, coordination, movement, motor skills, processing some types of memory
brainstem
relay system for sensory info and controls life-sustaining function
midbrain
connects brain and thalamus, 3 parts: substantia nigra, red nucleus, subthalamic nucleus
substantia nigra
supplies dopamine to basal ganglia
red nucleus
oval mass of cells that acts as a relay station for sensorimotor info
subthalamic nucleus
supports motor movements
pons
where some cranial nerves originate (parts of reticular formation)
medulla oblongata
contains some cranial nerve nuclei
forebrain
telencephalon and diencephalon
telencephalon
cerebral cortex, basal ganglia, limbic system, lateral ventricles
diencephalon
thalamus, hypothalamus, 3rd ventricle
prefrontal cortex
contributes to personality and mood, regulates cognitive functions, frontal lobe
motor cortex
primary motor strip, premotor cortex, supplemental motor area, frontal lobe
broca’s area
verbal expression and programming movements for speech production, frontal lobe
primary motor strip
where motor activity and muscle control is initiated
premotor cortex
helps acquire new motor sequences
supplemental motor area
plans and sequences motor actions
anatomical name for Heschl’s gyrus
transverse temporal gyrus
Note 
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