Definition of "paraphrenia" []

• Any of a group of psychotic illnesses involving delusions, distinct from paranoia and schizophrenia. (noun)

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• "Kraepelin later coined the term paraphrenia to denote milder delusional syndromes, distinct from dementia praecox, that developed in middle and late life dementia praecox having an early onset with little subsequent deterioration."
• "Studies 484 suggest that this late-onset group has premorbid function, symptomatology, and course consistent with the concept of late paraphrenia."
• "Late paraphrenia is extremely responsive to convulsive treatment."