Basal Ganglia Lecture

Question 1

Forebrain is derived from

Answer 1

prosencephalon

Question 2

What is the function of the commissural fibers

Answer 2

communication between hemispheres

Question 3

What are the three things that are made of commissural fibers

Answer 3

corpus callosum
anterior commissure
posterior commissure

Question 4

the corpus callosum, anterior commissure, and posterior commissure are all _______ matter

Answer 4

white

Question 5

Anterior commissure is responsible for

Answer 5

olfaction

Question 6

Posterior commissure is known for

Answer 6

pupillary light reflex

Question 7

Association fibers are _____ hemisphere

Answer 7

within a

Question 8

U fibers are _______ range

Answer 8

short range

Question 9

Superior longitudinal fasciculus, arcuate fasciculus and cingulum are _____ range

Answer 9

long

Question 10

________ fibers are longitudinal communication of cortex with brainstem and body

Answer 10

projection

Question 11

Fan like spread into/out of cortex is called

Answer 11

corona radiata

Question 12

Condensed fiber bundle threading through BG and thalamus

Answer 12

internal capsule

Question 13

What is one of the largest parts of deep grey matter in the forebrain

Answer 13

thalamus

Question 14

the thalamus is derived from

Answer 14

diencephalon

Question 15

Thalamus: relay system for _____ sensory input to the brain

Answer 15

most

Question 16

T/F the thalamus is also hub between hippocampus, amygdala, and other cortical regions

Answer 16

T

Question 17

Does the thalamus also relay motor input from cerebellum and basal ganglia

Answer 17

yes

Question 18

What are the large subcortical nuclei of the basal ganglia responsible for

Answer 18

motor control
motivated behaviors
some aspects of emotion

Question 19

Input from different cortical regions are ________ in basal ganglia

Answer 19

kept seperate

Question 20

Basal ganglia loops project back out via ______ to same cortical region origin

Answer 20

thalamus

Question 21

What are the four major types of inputs/loops of basal ganglia

Answer 21

emotion–limbic cortex
cognitive—PFC
sensory
motor

Question 22

What are the two type of circuits through the basal ganglia

Answer 22

direct route
indirect route

Question 23

What are two disorders of the basal ganglia

Answer 23

parkinson’s disease
huntington’s disease

Question 24

excitatory connections use

Answer 24

glutamate

Question 25

Inhibitory connections use

Answer 25

gaba