PSY 111 Lecture Notes - Lecture 8: Acetylcholine, Insomnia, Schizophrenia

• School: Miami University
• Department: Psychology
• Course: PSY 111
• Professor: Beeman Christopher

Document Summary

Neurotransmitters- stored in synaptic vesicles (sacs) within terminal buttons, chemical signals which allow electrical impulses to cross synaptic gaps. Acetylcholine- enables muscle action, learning and memory (alzheimer"s) Serotonin- affects mood, hunger, sleep, and arousal (depression, some drugs that raise serotonin levels are used to treat depression) Gaba (gamma-aminobutyricacid) inhibitory neurotransmitter, the no, undersupply is linked to seizures, tremors and insomnia. Glutamate- an excitatory neurotransmitter, the yes, oversupply can overstimulate the brain which can produce migraines or seizures. Drugs influence behavior y interfering with neurotransmitters- can either increase or decrease the signal: agonist (+)- drug that mimics or increases effects of neurotransmitters; Antagonist (-) drug that blocks or decreases effects of neurotransmitters.