• WordNet 3.6
    • n hebephrenia a form of schizophrenia characterized by severe disintegration of personality including erratic speech and childish mannerisms and bizarre behavior; usually becomes evident during puberty; the most common diagnostic category in mental institutions
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Century Dictionary and Cyclopedia
    • n hebephrenia A form of insanity incident to the age of puberty.
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In literature:

Let us recall also the mental troubles, the psychoses designated by the name hebephrenia.
"Essay on the Creative Imagination" by Th. Ribot
Frequently the insanity of puberty (hebephrenia) is precipitated by tobacco.
"Degeneracy" by Eugene S. Talbot
Hebephrenia is not yet recognized by British alienists.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 5" by Various