Quiz 3 Review

Question 1

substantia nigra reticulata is functionally similar to the:

Answer 1

globus pallidus

Question 2

the only connections within basal ganglia system that are excitatory are:

Answer 2

from the subthalamic nucleus to globus pallidus

Question 3

projections from thalamus to cortex go into layer —

Answer 3

4

Question 4

overexcitation of the direct pathway in the basal ganglia system results in:

Answer 4

choreas

Question 5

dopamine from the substantia ____ binds to __ receptors in the direct pathway

Answer 5

Compacta; D1

Question 6

medium spiny neurons in the striatum are (inhibitory/excitatory?)

Answer 6

inhibitory

Question 7

cerebellum is involved in what type of memory

Answer 7

procedural learning

Question 8

the only output neuron from the cerebellar cortex is the:

Answer 8

purkinje cell

Question 9

Climbing fibers arise from the:

Answer 9

inferior olive

Question 10

Purkinje fibers are (inhibitory/excitatory?)

Answer 10

inhibitory

Question 11

receptors involved in plasticity in the cerebellar cortex are:

Answer 11

metabotropic glutamate and AMPA receptors.

Question 12

Which three regions of the hypothalamus comprise the energy homeostasis center? which center is the hunger center?

Answer 12

Arcuate nucleus, paraventricular nucleus, lateral hypothalamic area
LHA = hunger center

Question 13

what is the molecular basis of narcolepsy?

Answer 13

loss of orexin produced in LHA

Question 14

what are guidepost cells?

Answer 14

kiosks that have information stuck on them so when growth cones approach they signal where to go

Question 15

neurotrophins

Answer 15

support cell growth. NGF, BDNF