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Evolution of Definition of Psychotic Depression
The definition of psychotic depression has evolved over time. Initially, it described individuals experiencing severe depression to the extent of being unable to carry out daily activities, posing a risk of death due to neglecting basic needs. With the introduction of DSM-3, psychotic depression expanded to include hallucinations and delusions as part of major depressive disorder. Presently, the understanding is that psychotic symptoms can occur across mild, moderate, or severe depression, no longer solely tied to the severity of the condition.