Brain Bee Chapter 10 - Jacey

Question 1

true or false: throughout life, our brains never change.

Answer 1

false

Question 2

does the whole brain reshape, or just certain parts of it?

Answer 2

only certain parts

Question 3

connections between neurons in early life require…

Answer 3

fine tuning

Question 4

synaptic connections start to change with…

Answer 4

environment interactions

Question 5

when new synaptic connections are made, the useful ones get _____ and the unused become ______

Answer 5

stronger, weaker

Question 6

Synapses that are ____ and those that are actively changing are kept while
the rest are ____.

Answer 6

active, pruned

Question 7

what is the principle used to mould the future of our brains?

Answer 7

use-it-or-lose-it

Question 8

Synaptic transmission involves the release of a chemical neurotransmitter that activates specific protein
molecules called…

Answer 8

receptors

Question 9

normal electrical response to neurotransmitter release is

Answer 9

a measure of synaptic strength

Question 10

true or false: synaptic strength can can vary and the change may last for a
few seconds, a few minutes or even for a lifetime.

Answer 10

true

Question 11

what is LTP?

Answer 11

long term potentiation

Question 12

what is LTD?

Answer 12

long term depression