Impaired Context Processing is Attributable to Global Neuropsychological Impairment in Schizophrenia and Psychotic Bipolar Disorder

James L. Reilly, S. Kristian Hill, James M. Gold, Richard S.E. Keefe, Brett A. Clementz, Elliot Gershon, Matcheri S. Keshavan, Godfrey Pearlson, Carol A. Tamminga, John A. Sweeney

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Background: Context processing may reflect a specific cognitive impairment in schizophrenia. Whether impaired context processing is observed across psychotic disorders or among relatives of affected individuals, and whether it is a deficit that is independent from the generalized neuropsychological deficits seen in psychotic disorders, are less established.

Methods: Schizophrenia, schizoaffective, and psychotic bipolar probands (n = 660), their first-degree relatives (n = 741), and healthy individuals (n = 308) studied by the Bipolar-Schizophrenia Network on Intermediate Phenotypes consortium performed an expectancy task requiring use of contextual information to overcome a pre-potent response. Sensitivity for target detection and false alarm rates on trials requiring inhibition or goal maintenance were measured.

Results: Proband groups and relatives with psychosis spectrum personality traits demonstrated reduced target sensitivity and elevated false alarm rates. False alarm rate was higher under inhibition vs goal maintenance conditions although this difference was attenuated in schizophrenia and schizoaffective proband groups. After accounting for global neuropsychological impairment, as reflected by the composite score from the Brief Assessment of Cognition in Schizophrenia neuropsychological battery, deficits in schizophrenia and bipolar proband groups were no longer significant. Performance measures were moderately familial.

Conclusion: Reduced target detection, but not a specific deficit in context processing, is observed across psychotic disorders. Impairments in both goal maintenance and response inhibition appear to contribute comparably to deficits in schizophrenia and schizoaffective disorder, whereas greater difficulty with response inhibition underlies deficits in bipolar disorder. Yet, these deficits are not independent from the generalized neurocognitive impairment observed in schizophrenia and psychotic bipolar disorder.

Original languageEnglish (US)
Pages (from-to)397-406
Number of pages10
JournalSchizophrenia Bulletin
Volume43
Issue number2
DOIs
StatePublished - Mar 1 2017

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Bipolar Disorder
Psychotic Disorders
Schizophrenia
Maintenance
Cognition
Personality
Phenotype
Inhibition (Psychology)

ASJC Scopus subject areas

  • Psychiatry and Mental health

Cite this

Reilly, J. L., Hill, S. K., Gold, J. M., Keefe, R. S. E., Clementz, B. A., Gershon, E., ... Sweeney, J. A. (2017). Impaired Context Processing is Attributable to Global Neuropsychological Impairment in Schizophrenia and Psychotic Bipolar Disorder. Schizophrenia Bulletin, 43(2), 397-406. https://doi.org/10.1093/schbul/sbw081

Impaired Context Processing is Attributable to Global Neuropsychological Impairment in Schizophrenia and Psychotic Bipolar Disorder. / Reilly, James L.; Hill, S. Kristian; Gold, James M.; Keefe, Richard S.E.; Clementz, Brett A.; Gershon, Elliot; Keshavan, Matcheri S.; Pearlson, Godfrey; Tamminga, Carol A.; Sweeney, John A.

In: Schizophrenia Bulletin, Vol. 43, No. 2, 01.03.2017, p. 397-406.

Research output: Contribution to journalArticle

Reilly, JL, Hill, SK, Gold, JM, Keefe, RSE, Clementz, BA, Gershon, E, Keshavan, MS, Pearlson, G, Tamminga, CA & Sweeney, JA 2017, 'Impaired Context Processing is Attributable to Global Neuropsychological Impairment in Schizophrenia and Psychotic Bipolar Disorder', Schizophrenia Bulletin, vol. 43, no. 2, pp. 397-406. https://doi.org/10.1093/schbul/sbw081
Reilly, James L. ; Hill, S. Kristian ; Gold, James M. ; Keefe, Richard S.E. ; Clementz, Brett A. ; Gershon, Elliot ; Keshavan, Matcheri S. ; Pearlson, Godfrey ; Tamminga, Carol A. ; Sweeney, John A. / Impaired Context Processing is Attributable to Global Neuropsychological Impairment in Schizophrenia and Psychotic Bipolar Disorder. In: Schizophrenia Bulletin. 2017 ; Vol. 43, No. 2. pp. 397-406.
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