AMPA receptor increases in the PSD during Long term potentiation (LTP). This process is associated with memory formation and learning.
This increase is triggered by activation of NMDA receptors.
Synaptic plasticity mechanisms (whatever those are?) seem to result in AMPA receptor receptor increase. Not sure how this relates to the NMDA receptor impulse causing AMPA buildup. Key question: does synaptic plasticity mechanism relate to the NMDA receptor activation?
In summary, AMPA receptor buildup and synaptic plasticity are intricately linked. Synaptic plasticity mechanisms, such as LTP, can lead to an increase in AMPA receptors in the PSD. In turn, this AMPA receptor buildup enhances synaptic transmission and can facilitate further synaptic plasticity. This bidirectional relationship highlights the complex dynamics of synaptic plasticity and its role in learning and memory.
It’s important to note that while AMPA receptor buildup is a key component of synaptic plasticity, it is not the only mechanism involved. Other factors, such as changes in presynaptic neurotransmitter release, modifications of NMDA receptor function, and alterations in synaptic structure and connectivity, also play important roles in synaptic plasticity and memory formation.