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Neurons have been shown to secrete exosomes (extracellular vesicles containing RNA) which may regulate neighbouring cells. However, this is mechanistically different from synaptic signalling by neurotransmitters. Moreover, I am not sure if exosome secretion is linked with synaptic activity and whether it plays a role in memory formation. Even if exosomal ...


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I have never heard of this pathway. Memory is usually assoiciated with synaptic plasticity by ‘Long-term potentiation’ (LTP), which has glutamate as a neurotransmitter. Neuroscience Exploring the brain (Bear, et al,. 2007), has a pretty good explanation of this process, if you're interrested. Motor patterns have more mechanisms than LTP, and are not as well ...



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