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schizophrenic language		The artificial language of schizophrenic patients - neologisms (words of the patient's own making with new meanings). [ Articles | Books | Images | Discussion groups ]
Additional comments : Study Shows Schizophrenia Limits Understanding Of Body Language Understanding the meaning behind a person's posture or body movement comes easily to many people and helps guide how we react to others socially. But people with schizophrenia, even those who have mild to moderate symptoms and take medications, are not fluent in understanding body language, according to a University of Iowa-led study. In one test, participants watched a video of human bodies in motion. The images were manipulated so that no facial features or body shapes could be seen. Instead, only points of light, attached to the joints of the people on the tape, were visible as they moved. Based on the speed and pattern of the bright dots, individuals without schizophrenia and healthy volunteers were asked to determine if the motion depicted joy or sadness, for example. The study found that individuals with schizophrenia could not accurately decipher these emotions. Study participants also viewed still film clips of complex social scenes in which the actors' faces were erased. The participants then viewed the same clips with the faces reinstated. People with schizophrenia did not improve their performances in identifying the overall mood of the people in the scene. Source: University of Iowa Free Full Text Word production deficits in schizophrenia Brain Lang. 2004 Apr;89(1):182-91. Fronto-cerebellar circuitry is implicated in word production. Data suggest that the cerebellum is involved in word search, whereas the prefrontal cortex underlies the selection of words from among competing alternatives. We explored the role of search and selection processes in word production deficits in schizophrenia patients. In Experiment 1, patients were impaired in a verb generation task under both high and low selection conditions but were more impaired in the high selection condition. In Experiment 2, when the difficulty level of search and selection conditions was equated in a word stem completion task, patients were only impaired in the search condition. Word search deficits underlie word production problems in schizophrenia, and may involve fronto-cerebellar dysfunction. Thought and Language Index: an instrument for assessing thought and language in schizophrenia Br J Psychiatry. 2002 Oct;181:326-30. BACKGROUND: Subtle formal thought disorders are difficult to quantify. Their relationship to florid thought disorder is unknown. AIMS: To assess the interrater reliability, sensitivity and factor structure of a new assessment instrument, the Thought and Language Index (TLI), and to determine if minor aberrations detectable in the speech of healthy individuals are related to the more severe formal thought disorders characteristic of schizophrenia. METHOD: Interrater reliability was evaluated by determining the intraclass correlation for the ratings by five assessors. Factor analysis of the TLI scores of 87 patients was performed, and TLI scores in matched patients and controls were compared. RESULTS: The intraclass correlation was good for individual TLI items, and excellent for sub-scale scores. Factor analysis identified three groups of approximately orthogonal disorders. Mild speech aberrations were observed in healthy participants and in patients with schizophrenia. The prevalence of mild aberrations was correlated with the prevalence of definite formal thought disorders. CONCLUSIONS: The TLI is reliable and capable of detecting subtle disorders. Some mild aberrations occurring in the speech of healthy individuals appear to be attenuated forms of the florid disorders characteristic of schizophrenia.

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