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Encyclopedia of Nutritional Psychology

Acetylcholine

Evidence-informed definition Updated July 29, 2026 How to cite this entry

Acetylcholine is a neurotransmitter that plays a crucial role in the central nervous system (CNS) and the peripheral nervous system (PNS). It transmits signals across synapses, particularly in neuromuscular junctions, facilitating muscle contractions. Additionally, acetylcholine is associated with cognitive functions such as memory and learning.

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Written by Ephi Lu
Reviewed by CNP Encyclopedia Editorial Board
Evidence base

References and further reading

  1. Mishra V, and others. Neurophysiology of the neuromuscular junction: overview. Annals of Indian Academy of Neurology. 2003. PMID: 14592857. View source
  2. Blokland A. Acetylcholine: a neurotransmitter for learning and memory? Brain Research Reviews. 1995;21(3):285–300. doi:10.1016/0165-0173(95)00016-X. PMID: 8806017. View source
  3. Hasselmo ME. Acetylcholine modulation of neural systems involved in learning and memory. Progress in Brain Research. 2006. PMID: 14521863. View source
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How to cite this entry

Ephi Lu. (2026). Acetylcholine. In Encyclopedia of Nutritional Psychology. The Center for Nutritional Psychology.

https://www.nutritional-psychology.org/encyclopedia/acetylcholine/
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