← Neurotransmitters

Acetylcholine (ACh)

Muscle contraction, attention, learning, memory, autonomic nervous system

Too little may be associated with

Alzheimer's disease, memory loss, muscle weakness

Too much may be associated with

Muscle spasms, excessive salivation, slowed heart rate

Informational only — not medical advice.

Stimuli that influence it

Acetyl-L-carnitine (substance)
Alpha-GPC (substance)
Bacopa monnieri (substance)
Chewing gum (behavior)
Choline (substance)
Citicoline (CDP-Choline) (substance)
Flow state (behavior)
Ginkgo biloba (substance)
Learning something new (behavior)
Lion's Mane mushroom (substance)
Nicotine (substance)
Quality sleep (behavior)
REM sleep (behavior)
Solving puzzles (behavior)
Uridine (substance)

Materials

In Search of Memory (book)
Livewired: The Inside Story of the Ever-Changing Brain (book)
Mapping the Mind (book)
Neuroplasticity (book)
Neuroscience (textbook) (book)
Neuroscience: Exploring the Brain (book)
Phantoms in the Brain (book)
Soft-Wired: How the New Science of Brain Plasticity Can Change Your Life (book)
Stahl's Essential Psychopharmacology (book)
The Brain That Changes Itself (book)
The End of Alzheimer's (book)