dementia praecox refers to a Latin term which means "premature loss of mind" is an early label for what is now called Schizophrenia, emphasizing the disorder’s frequent appearance during adolescence.
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Dementia praecox refers to the term coined by Kraepelin to describe what is currently known as Schizophrenia. According to Kraepelin, this condition involves a degeneration of the brain that begins at a young age and ultimately leads to a disintegration of the entire personality.
It is a Latin term meaning "premature loss of mind"; an early label for what is now called Schizophrenia, emphasizing the disorder’s frequent appearance during adolescence.
Lexicon of Psychology - Terms, Treatments, Biographies,