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SCT3 Neurology Topic 3 > Summation > Flashcards

Flashcards in Summation Deck (8)
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1
Q

What does the root of the term temporal summation mean?

A

WITHIN A SHORT TIME

2
Q

With temporal summation, frequent postsynaptic potentials at the ________ synapse occur in ________ succession.

A

SAME
+
RAPID

3
Q

With temporal summation, does the effect of the first potential have time to dissipate?

A

NO

succeeding potentials add to previous ones

4
Q

In the case of ____________ summation, multiple excitatory signals go to various postsynaptic sites.

A

SPATIAL

5
Q

What happens if the sum of all EPSPs and IPSPs reaches threshold?

A

AP WILL RESULT

6
Q

What happens if the neuron does not reach threshold?

A

AP WILL NOT OCCUR

7
Q

If the neuron fires, an AP goes all the way to the end of the _________.
(“All or None” law)

A

AXON

“All or None” law

8
Q

What does a change in the frequency of action potentials usually indicate?

A

CHANGE IN INTENSITY OF STIMULUS