PHYS 2b Basal Ganglia

Question 1

bowl of candy scenario. with cerebral and cortex it still isnt complete. you need what?

without it youll end up

a)

b)

Answer 1

Question 2

voluntary motion- basal ganglia

functions we will focus on? (2)

Answer 2

Question 3

voluntary motion- basal ganglia

what they do? control what and what? which one more?

how? work by? frequently described as an?

Answer 3

Question 4

voluntary motion- basal ganglia

the nigrostriatal path:

from? activity? NT? to?

Answer 4

Question 5

voluntary motion- basal ganglia

nigrostriatal path

start with? goes to?

what are the different pathways?

(receptor for each) excit/inhib?

function?

Answer 5

Question 6

voluntary motion- basal ganglia

the striatonigral GABA-ergic pathway

axons from? project to?

presynaptic terminal releases? where?

causes? (pathway)

Answer 6

Question 7

Pars compacta of substantia nigra as the start using D1 receptors. pathway all the way to thalamus. what NT

Answer 7

Question 8

indirect pathway from stiatum

axons project to? NT?

axons form there travel to? NT?

axons from there travel to? release?

axons from there go to? release?

Answer 8

Question 9

voluntary motion: basal ganglia

to produce motion we must? (2)

Answer 9

Question 10

voluntary motion: basal ganglia

to inhibit motion we must?

Answer 10

Question 11

The intrastriatal cholinergic system

between?

effects?

in particular?

Answer 11

Question 12

activation of the indirect pathway

to activate what must happen? (2)

Answer 12

Question 13

voluntary motion

prefrontal cortex

two major areas of function? (whats the functions)

Answer 13

Question 14

prefrontal cortex

planning of complex motor actions

interacts with? (3)

Answer 14

Question 15

voluntary motion

planning of complex motor act requires (4)

Answer 15

Question 16

interactions between _____ ______ and _____ determine IF the motion will occur

Answer 16

Question 17

once motion is planned sequenced and approved what is activated?

Answer 17

Question 18

once primary motor cortex columns are activated

action potentials travel down what? and activate what?

Answer 18

Question 19

what can be a problem with activating the muscles? why?

Answer 19

Question 20

brain solves muscle spindle problem by?

Answer 20

Question 21

to make action occur if brain activates alpha- motorneuron it also does what? in what muscle group? (this is called)

Answer 21

Question 22

to make motion occur what happens in the antagonist muscle?

Answer 22

Question 23

once the motion has started what is called upon? the makes sure of what?

Answer 23