hebephrenic
Speech parts
1. hebephrenic - Noun
2. hebephrenic - Adjective
3. hebephrenic - Adjective Satellite
Meaning
suffering from a form of schizophrenia characterized by foolish mannerisms and senseless laughter along with delusions and regressive behavior
Source: WordNetExamples
Contrary to a common misconception, Adorno didn't believe the hebephrenic and psychotic imitations that the music was supposed to contain were its main fault, as he pointed out in a postscript that he added later to his book.
The class, dementia praecox, comprised the paranoid, catatonic and hebephrenic psychotic disorders, and these forms were found in the Diagnostic and Statistical Manual of Mental Disorders until the fifth edition was released, in May 2013.