Card 24 / 30: Long term potentiation in the hippocampus, at CA3 to CA1 synapses, has the following characteristics (circle all that apply)
A)
it lasts minutes to hours
B)
it requires the influx of Ca2+ primarily through AMPA receptors
C)
it requires insertion of new AMPA receptors in the postsynaptic membrane
D)
it can be a mechanism for associating signals from two neurons, as depolarization evoked by one neuron can potentiate the synapse from another neuron
E)
it differs from LTP at mossy fiber synapses (dendate gyrus to CA3), which is primarily presynaptic
Answer:
A) it lasts minutes to hours
C) it requires insertion of new AMPA receptors in the postsynaptic membrane
D) it can be a mechanism for associating signals from two neurons, as depolarization evoked by one neuron can potentiate the synapse from another neuron
E) it differs from LTP at mossy fiber synapses (dendate gyrus to CA3), which is primarily presynaptic
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