Thought broadcasting

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In psychiatry, thought broadcasting is the belief that others can hear or are aware of an individual's thoughts. [1]

Thought broadcasting can be a positive symptom of schizophrenia. [2] Thought broadcasting has been suggested as one of the first rank symptoms (Schneider's first-rank symptoms) believed to distinguish schizophrenia from other psychotic disorders.

In mild manifestations, a person with this thought disorder may doubt their perception of thought broadcasting. When thought broadcasting occurs on a regular basis, the disorder can affect behavior and interfere with the person's ability to function in society. According to an individual's personality this is considered to be a severe manifestation of thought broadcasting that is usually indicative of schizophrenia. [3]

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Nancy Coover Andreasen is an American neuroscientist and neuropsychiatrist. She currently holds the Andrew H. Woods Chair of Psychiatry at the University of Iowa Roy J. and Lucille A. Carver College of Medicine.

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The Scale for the Assessment of Positive Symptoms (SAPS) is a rating scale to measure positive symptoms in schizophrenia. The scale was developed by Nancy Andreasen and was first published in 1984. SAPS is split into 4 domains, and within each domain separate symptoms are rated from 0 (absent) to 5 (severe). The scale is closely linked to the Scale for the Assessment of Negative Symptoms (SANS) which was published a few years earlier.


  1. Videbeck, S (2008). Psychiatric-Mental Health Nursing, 4th ed. Philadelphia: Wolters Kluwers Health, Lippincott Williams & Wilkins.
  2. Andreasen, Nancy C. (1984). "Scale for the assessment of positive symptoms" (PDF). The Movement Disorder Society. p. 11. Archived from the original (PDF) on December 28, 2010. Retrieved 2010-04-10.
  3. Andreasen, Nancy C.; Flaum, Michael (1991). "Schizophrenia: The Characteristic Symptoms" (PDF). Schizophrenia Bulletin. Oxford University Press and the Maryland Psychiatric Research Center. Retrieved 2010-04-10.