This is a quick summary of how the main excitatory neurotransmitter in the brain, glutamate, works at the level of synapses (glutamate pathway) and how it helps the brain form memories.

!! CORRECTION: I stated that about 15-20% of synapses in the brain use glutamate, and I got that information from the textbook by Banich and Compton (2018) below. However, after looking into it further, it seems that glutamate is used at many more synapses, with estimates ranging from 40 to 90%. I'm not sure why there are such large deviations on this estimate. My apologies for any confusion!! See this video where I correct the number: [ Ссылка ]

If you want more in depth explanations of this topic, check out my longer videos:

Level 2 (16 mins): [ Ссылка ]
Level 3 (23 min): [ Ссылка ]
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Chapters:
00:00 Glutamate is a neurotransmitter
00:11 It changes strength of neuronal connections
00:24 check out the longer videos to learn more!!

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Sources and Recommended Readings:

Kandel, E. R., Koester, J. D., Mack, S. H., & Siegelbaum, S. A. (2021). 13 Synaptic Integration in the Central Nervous System. In Principles of neural science (6th ed., pp. 277–287). essay, McGraw-Hill.

Banich, M. T., & Compton, R. J. (2018). Cognitive neuroscience. Chapter 1: Introduction to the Nervous system. Cambridge University Press.

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Music:
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