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11 Cards in this Set

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Spinal Cord

Root ganglion (branching out)
Horn (is the gray matter inside)
Ventral root - Carries motor (efferent)
Dorsal Root - carries sensory (afferent)
White matter in Spine
info to and from the brain.

Ascending tracts - the dorsal,, alot part. Back and side

Descending tracts - the ventral, small circle blue parts. alot @ the back and some on the side. Circular structure.
Brain's 4 lobes.
Frontal, parietal, occipital, temporal lobe.


Brain function
1. sensory system
2. cognitive system
3. behavioral system
Looping of axons is what you see here.

3 and 5 are superior/inferior collicoli.

Its for the 3D map of the space around you, the inferior one is a “map” of auditories.
Brain stem

thalamus
pons
medulla oblongata
Reticular formation (clusters of neurons inside brainstem)
Top of spinal cord leading to "primitive brain"
Reticular Formation
Neuromodulatory Role
Diffuse groups of neurons.

**also involved in
arousal and
sleep cycles

automatic body functions:
breathing, BP, muscle tone, pain modulation
Summary of All major parts
*Cerebrum
*Diencephalon
*Cerebellum
*Brain Stem
Diancephalon

*thalamus
*hypothalamus
*pituitary
*pineal gland
primitive brain -= lots of reflex
functions

hypothalamus = link to rest of
body & endocrine control.
Cerebrum (Frontal, parietal, occipital, temporal lobes)

Cerebral cortex
Basal ganglia
Limbic systems (amygdala, hippocampus)
Limbic System


cingulate gyrus
amygdala
hippocampus
very primitive
links emotion to higher
order cognition/
reasoning
Language - Broca and Wernicke's area.

a. speaking a written word

b. speaking a heard word