It has possibly the earliest onset compared to all other<unk> s, considered to begin in some within childhood. Symptoms of<unk> <unk> x include an absence of will, impoverished thinking and flattening of affect. There is a gradual deterioration of functioning with increased amotivation and reduced socialization. It is considered to be rarely diagnosed and is a<unk>  without psychotic symptoms. In a study of patients in a Massachusetts hospital, persons suffering with<unk><unk>  were found to make attempts at reality fulfillment with respect to the more primitive needs; tending toward the achievement of fulfillment of these needs rather than engaging in fantasy as is typically found as a reaction to environmental stimuli by the psychotic person.
Simple-type schizophrenia
Haltlose personality disorder
Disorganized schizophrenia
Pseudoneurotic schizophrenia
Unitary psychosis
Tardive psychosis
Basic symptoms of schizophrenia
Brief psychotic disorder