100 articles
Suspiciousness
Suspiciousness (ICD-11 MB26.9) is the tendency to view individuals or agencies as having harmful intents, a thought-content symptom ranging from ordinary trait to paranoia-spectrum clinical feature, distinct from hypervigilance and persecutory delusion.
Tactile hallucinations
Tactile hallucinations, also called haptic hallucinations, are perceptions of touch without a stimulus; formication (insect crawling, from Latin formica) is the best-known form, occurring in schizophrenia, Parkinson's disease, substance use, and medical conditions.
The Three Christs of Ypsilanti
The Three Christs of Ypsilanti is Milton Rokeach's 1964 psychiatric case study of his two-year experiment at Ypsilanti State Hospital, Michigan, where three paranoid schizophrenic patients, Clyde Benson, Joseph Cassel, and Leon Gabor, each claiming to be Jesus Christ, were confronted with one another; none was cured, and Rokeach later apologized for the ethics.
Thought blocking
Thought blocking: sudden involuntary interruption of the stream of thought and speech, classically described by Bleuler (1911); a Schneider first-rank-related phenomenon, ICD-11 code MB25.3, seen in psychosis and schizophrenia.
Thought broadcasting
Thought broadcasting: a delusion that one's private thoughts escape the mind and are transmitted to others. A Schneider first-rank symptom with ICD-10 diagnostic significance, historically attributed to Kraepelin (1913), but defined inconsistently and not specific to schizophrenia.
Thought disorder
Formal thought disorder (FTD), or thought disorder, is disturbed form and flow of thinking seen mainly as disorganized speech; hallmark of schizophrenia, also in mania and depression, measured by scales such as TLC, TDI, and TLI.
Thought insertion
Thought insertion (ICD-11 MB26.11) is a psychotic delusion in which a person experiences thoughts in their mind as inserted by an external agent; a Schneider first-rank symptom of schizophrenia, closely tied to auditory verbal hallucinations.
Thought withdrawal
Thought withdrawal (Entzug von Gedanken) is a Schneiderian first-rank symptom of schizophrenia: the experience that one's thoughts are removed from the mind by an external force, historically sufficient for diagnosis but de-emphasized in DSM-5 and ICD-11.
Trifluoperazine
Trifluoperazine is a typical antipsychotic of the piperazine phenothiazine class, first launched as Stelazine by Smith Kline & French in 1958, used mainly for schizophrenia and psychoses and at low doses for anxiety and nausea.
Word salad
Word salad (schizophasia): severely disorganized, incomprehensible speech, the extreme end of formal thought disorder, seen mainly in schizophrenia but also in mania, drug intoxication, and organic brain disorders; quantified by speech-connectedness measures.