Neuroplasticity (Exam 4)

Question 1

what is habituation

Answer 1

decreased response to repeated, benign stimulus

Question 2

give an example of experience dependent plasticity

Answer 2

learning to play an instrument

Question 3

two types of plasticity in learning and memory formation

Answer 3

long term potentiation
long term depression
* of excitatory glutamatergic synapses

Question 4

pre synaptic changes in LTP and LTD

Answer 4

changes in amount of neurotransmitter release

Question 5

post synaptic changes in LTP and LTD

Answer 5

changes in receptor density and efficiency

Question 6

what type of cell is important for experience dependent plasticity?

Answer 6

astrocytes

Question 7

what is synkinesis?

Answer 7

altered sensation caused by peripheral axon sprouting

Question 8

what chemical is a growth inhibitor and is a problem after an axonal injury?

Answer 8

Nogo

Question 9

what gene appears to inhibit a person’s brain from being able to adopt motor mapping reorganization as well?

Answer 9

BDNF- brain derived neurotrophic factor