biological approach to abnormaity
believes that all psychological abnormalities and mental illnesses are caused by physical illnesses. split into 4 assumptions:
neurotransmitters transmit signals between nerves and therefore messages in the brain.
when imbalanced, abnormalities occur
low serotonin = depression
high dopamine = schizophrenia
bacteria and infections may lead to mentaill illnesses
Barr et al -…