dementia praecox

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Definition

Noun: 1. A historical term for schizophrenia: "Dementia praecox" is an outdated medical term that was used to describe a group of severe mental disorders, now primarily understood as schizophrenia. It refers to conditions characterized by a disintegration of thought processes, emotional responsiveness, and contact with reality.

Usage Examples
  • Noun:
    • The concept of dementia praecox was central to early 20th-century psychiatry.
    • Emil Kraepelin originally classified the disorder now called schizophrenia as dementia praecox.
Advanced Usage
  • Historical/Literary Context: The term is almost exclusively used in historical discussions of psychiatry or in older literary and medical texts. In modern clinical practice, the specific diagnostic terms from the schizophrenia spectrum are used instead.
    • The professor explained how the diagnosis of "dementia praecox" evolved into our modern understanding of schizophrenia.
Variants and Related Words
  • Schizophrenia (n): The modern diagnostic term that has largely replaced "dementia praecox." It describes a chronic mental disorder involving a breakdown in the relation between thought, emotion, and behavior.
  • Psychosis (n): A severe mental condition in which thought and emotions are so impaired that contact is lost with external reality. Schizophrenia is one type of psychotic disorder.
Synonyms
  • Schizophrenia (in modern usage)
  • Psychotic disorder (general category)
Notes on Meaning
  • Primary Meaning: The term's core meaning aligns with the modern diagnosis of schizophrenia, emphasizing early onset ("praecox" meaning premature or early) and a progressive decline in cognitive and social functioning ("dementia" in its older sense of madness or insanity).
  • Important Distinction: "Dementia praecox" is not synonymous with the modern term "dementia" (e.g., Alzheimer's disease), which refers to a decline in memory and other cognitive functions, typically in older age. "Dementia praecox" specifically refers to a psychotic disorder with an onset in young adulthood.
Noun
  1. any of several psychotic disorders characterized by distortions of reality and disturbances of thought and language and withdrawal from social contact

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