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Encyclopedia of Clinical Neuropsychology pp 2892–2893Cite as

Psychotic Disorder

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Synonyms

Psychosis

Definition

A disorder characterized by one or more of the following abnormal behaviors: delusions, hallucinations, disorganized thinking, disorganized or abnormal motor functioning, and negative symptoms. The individual often lacks insight into their condition. Psychotic disorders have diverse causes. Etiologies may include disease states such as schizophrenia, delirium, metabolic disorders, genetic disorders, medical disorders (e.g., tumors, epilepsy), and drug/medication reactions. The neurobiology and neuropsychology of more common psychotic conditions such as schizophrenia are well documented. Structural lesions have also been associated with rare psychotic conditions such as reduplicative paramnesia.

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References and Readings

  • American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). Arlington: American Psychiatric Association Publishing.

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  • Ardila, A. (2016). Some unusual neuropsychological syndromes: Somatoparaphrenia, akinetopsia, reduplicative paramnesia, autopagnosia. Archives of Clinical Neuropsychology, 31(5), 456–464.

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  • Kleiger, J. H., & Khadivi, A. (2015). Assessing psychosis: A clinician’s guide. New York: Taylor & Francis.

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  • Schaefer, J., Giangrande, E., Weinberger, D. R., & Dickinson, D. (2013). The global cognitive impairment in schizophrenia: Consistent over decades and around the world. Schizophrenia Research, 150(1), 42–50.

    Article  PubMed  Google Scholar 

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Author information

Authors and Affiliations

  1. Department of Medical Psychology and Neuropsychology, Drake Center, Cincinnati, OH, USA

    Paul Newman

  2. Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, VA, USA

    Ana Mills

Authors
  1. Paul Newman
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  2. Ana Mills
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Corresponding author

Correspondence to Ana Mills .

Editor information

Editors and Affiliations

  1. Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, VA, USA

    Jeffrey S. Kreutzer

  2. Kessler Foundation, Pleasant Valley Way, West Orange, NJ, USA

    John DeLuca

  3. Independent Practice, Wynnewood, PA, USA

    Bruce Caplan

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Newman, P., Mills, A. (2018). Psychotic Disorder. In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-57111-9_2084

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