Etiology: Etiology refers to the study or understanding of the cause or causes of a particular condition or disorder.
Predisposition: Predisposition refers to an individual's increased likelihood or susceptibility towards developing a specific condition or disorder due to genetic or environmental factors.
Neurochemical Imbalances: Neurochemical imbalances occur when there is an abnormality in the levels or functioning of certain chemicals (neurotransmitters) in the brain, which can contribute to psychological disorders.