THE MEDICAL MODEL
There are 3 main types of drugs: anti-psychotic, anti-depressant and anti-anxiety
Anti-psychotic - treats schizophrenia
Conventional anti-psychotics: block the action of dopamine (neurotransmitter) in the brain by binding to dopamine receptors
Atypical anti-psychotics: temporarily occupy dopamine receptors and then rapidly dissociating to allow normal dopamine transmission
Anti-depressant - treats depression
Depression thought to be due to insufficient amounts of serotonin (neurotransmitter) being produced in the nerve endings.
Anti-depressants work by blocking the enzyme that breaks down the neurotransmitters; increasing serotonin levels
SSRIs are the most common anti-depressant drugs
Anti-anxiety - treats stress
BZ's : slow down the activity of the central nervous system (CNS). 40% of neurones in the brain respond to GABA (neurotransmitter) and when released, the neurones in the brain relax.
BZ's enhance the action of GABA and reduce their serotonin activity…