Looks at unconscious conflicts and early childhood experiences as the root of current issues.
Thoughts or behaviors that differ significantly from societal or cultural norms. Abnormal Psychology
There is no single rule for what makes a behavior "abnormal." Instead, psychologists often use the to evaluate if a person needs help: brain chemistry (neurotransmitters)
Focuses on genetics, brain chemistry (neurotransmitters), and brain structure. Abnormal Psychology
Symptoms interfere with daily life, such as the ability to work or maintain relationships.