Neuroanatomy (3)

Question 1

what are the different constituents of the diencephalon?

Answer 1

Diencephalon=forebrain
thalamus (dorsal)
hypothalamus (ventral)

Question 2

what is the function of the thalamus

Answer 2

relay sensory information to the neocortex

Question 3

what is the function of the hypothalamus

Answer 3

controls the autonomic nervous system and motivated behaviors

Question 4

what are the different constituents of the telencephalon

Answer 4

basal ganglia and limbic system

Question 5

what is the function of the basal ganglia

Answer 5

mediate motor, reward, learning functions

Question 6

what is the function of the limbic system

Answer 6

mediates emotions, memory, social behaviors

consists of medial prefrontal cortex, hippocampus, amygdala

Question 7

what are the major landmarks on the surface of the brain

Answer 7

longitudinal fissure: divides the two hemispheres
central fissure: divides frontal and parietal lobes
lateral fissure: separates frontal/parietal lobes from temporal lobe
gyri: raised parts, sulci: indentations

Question 8

what is the laminar organization of the cerebral cortex

Answer 8

six-layer organization (layer 1 right under pia mater and layer 6 is most center of brain): different types of cells in each layer
lobes: frontal (front), parietal (middle), occipital (back), temporal (side)