Neurotransmitter Functions and Effects

·         DOPAMINE – inhibitory; Effect: fine movement, emotional behaviour, implicated in schizophrenia and Parkinson’s.

·         SEROTONIN – inhibitory; Effect: sleep, mood, eating behaviour. Implicated in mood disorders, anxiety and violence.

·         NOREPINEPHRINE – Excitatory; Effect: arousal, wakefulness, learning. Implicated in anxiety and addiction.

·         GAMMA-AMINOBUTYRIC ACID (GABA) – inhibitory; Effect: anxiety states.

·         ACETYLCHOLINE – Excitatory – Effect: arousal, attention, movment. Increase spasms and decrease paralysis.