Summation Flashcards
What does the root of the term temporal summation mean?
WITHIN A SHORT TIME
With temporal summation, frequent postsynaptic potentials at the ________ synapse occur in ________ succession.
SAME
+
RAPID
With temporal summation, does the effect of the first potential have time to dissipate?
NO
succeeding potentials add to previous ones
In the case of ____________ summation, multiple excitatory signals go to various postsynaptic sites.
SPATIAL
What happens if the sum of all EPSPs and IPSPs reaches threshold?
AP WILL RESULT
What happens if the neuron does not reach threshold?
AP WILL NOT OCCUR
If the neuron fires, an AP goes all the way to the end of the _________.
(“All or None” law)
AXON
“All or None” law
What does a change in the frequency of action potentials usually indicate?
CHANGE IN INTENSITY OF STIMULUS