Psychology Neurotransmitters

yes

Acetylcholine (ACh)

• enables muscle action, excitatory

• examples of malfunction - Alzheimer’s disease

Dopamine

• influences emotion, inhibitory

• malfunctions - schizophrenia and parkinson’s disease

Serotonin

• affects hunger, sleep onset, inhibitory

• malfunctions - depression

Norepinephrine

• helps control alertness and arousal, excitatory

• undersupply can depress mood

GABA

• decreases anxiety

  • inhibitory

• linked to seizure, tremors, ad insomnia

Glutamate

• involved in memory

• excitatory

• malfunctions - migraines

Endorphins

• inhibits transmission of pain message s

• oversupply with opioid drugs can suppress the body’s endorphin supply

Substance P

• modulation of pain

• oversupply can lead to chronic pain