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Human Body & Health

During long-term potentiation within hippocampal neurons during sleep, which consequence follows increased synaptic glutamate release?

A)Reduced AMPA receptor internalization rates
B)Decreased presynaptic vesicle docking
C)Enhanced postsynaptic membrane depolarization
D)Inhibition of retrograde endocannabinoid signaling

💡 Explanation

Long-term potentiation (LTP) requires sufficient postsynaptic depolarization to relieve the Mg2+ block on NMDA receptors; because glutamate is the primary excitatory neurotransmitter, increased release enhances depolarization, therefore promoting LTP, rather than reducing AMPA receptor activity or inhibiting retrograde signaling.

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