Chapter 12.3: Storing Information in the Nervous System Flashcards
What is true about a Hebbian synapse?
It strengthens if its activity is associated with an action potential in the postsynaptic cell
Cells that fire together wire together…but only if which of the following?
The cells are close together
Why is Aplysia an appealing animal for studies of the physiological of learning?
It has relatively few neurons, and they are the same from one individual to another
What is responsible for habituation in Aplysia?
A change at a synapse
What is meant by the “cooperativity” of LTP?
LTP is greater if two inputs are active together
What excites NNDA receptors?
The transmitter glutamate, but only if the membrane is depolarized
During the formation of LTP, which ions enter at the NMDA receptors?
Calcium and sodium
What does CaMKII do?
It relates a protein that alters the expression of several genes
How effective is Ginkgo biloba for improving memory?
Possible benefits for older people who take the herb for months
