Today, the field is defined by the . Practitioners recognize that a person’s mental health is determined by: Biological factors: Genetics and brain chemistry.
Coping skills and emotional regulation. Social factors: Socioeconomic status, culture, and trauma.
For centuries, "madness" was managed by isolation. In the 17th and 18th centuries, the "Great Confinement" saw the mentally ill housed in workhouses and asylums like in London, often in inhumane conditions.
The history of psychiatry and medical psychology is a journey from viewing mental illness as a spiritual failing to understanding it as a complex interplay of biology, environment, and the human narrative. The Era of Spirits and Humors
The late 19th century saw the emergence of psychology as a formal science. While was establishing the first experimental psychology lab in 1879, Sigmund Freud was developing psychoanalysis . Freud shifted the focus from the physical brain to the "unconscious mind," suggesting that childhood trauma and repressed desires drove mental illness. This popularized the "talking cure" and dominated clinical practice for the first half of the 20th century. The Biological Revolution
In the mid-20th century, the pendulum swung back toward biology. The discovery of in the 1950s revolutionized treatment. For the first time, severe symptoms of psychosis could be managed with medication, leading to widespread deinstitutionalization —the closing of large state asylums in favor of community-based care.