Unit 2 - Action Potential and Post Synaptic Potential and Summation
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11 Terms
Where does an action potential occur?
in the axon
does the amplitude of an action potential vary?
no, it is always 100 mV
how long does an action potential last?
2-3 milliseconds
where does a post synaptic potential occur?
in the post synaptic membrane
is a post synaptic potential variable or not?
it is super variable (lower)
how long does a post synaptic potential last?
200 - 300 milliseconds
Why can post synaptic potentials interact with each other?
because they last longer
what is summation?
the interaction of post synaptic potentials with each other
what are the 2 classes of summation?
temporal summation and spatial summation
what does temporal summation rely on?
the frequency of the signal
what does the spatial summation rely on?
the interaction of all membranes