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Confabulation in schizophrenia: A neuropsychological study

  • E. LORENTE-ROVIRA (a1), J.L. SANTOS-GÓMEZ (a2), M. MORO (a3), J.M. VILLAGRÁN (a4) and P.J. MCKENNA (a5)...
Abstract
Abstract

Confabulation has been documented in schizophrenia, but its neuropsychological correlates appear to be different from those of confabulation in neurological disease states. Forty-five schizophrenic patients and 37 controls were administered a task requiring them to recall fables. They also underwent testing with a range of memory and executive tasks. The patients with schizophrenia produced significantly more confabulations than the controls. After correcting for multiple comparisons, confabulation was not significantly associated with memory impairment, and was associated with impairment on only one of eight executive measures, the Brixton Test. Confabulation scores were also associated with impairment on two semantic memory tests. Confabulation was correlated with intrusion errors in recall, but not false positive errors in a recognition task. The findings suggest that confabulation in schizophrenia is unrelated to the episodic memory impairment seen in the disorder. However, the association with a circumscribed deficit in executive function could be consistent with a defective strategic retrieval account of confabulation similar to that of Moscovitch and co-workers, interacting with defective semantic memory. (JINS, 2010, 16, 1018–1026.)

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Corresponding author
*Correspondence and reprint requests to: E. Lorente-Rovira, Centro de Salud Mental de la Malvarrosa, Avda. Malvarrosa, 10, 46011, Valencia, Spain. E-mail: esterlorente@hotmail.com
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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

P.J. McKenna , E. Lorente-Rovira , & G.E. Berrios (2009). Confabulation as a psychiatric symptom. In W. Hirstein (Ed.), Confabulation: Views from neuroscience, psychiatry, psychology and philosophy (pp. 159172). New York: Oxford University Press.

A. Schnider (2008). The confabulating mind. How the brain creates reality. New York: Oxford University Press.

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Journal of the International Neuropsychological Society
  • ISSN: 1355-6177
  • EISSN: 1469-7661
  • URL: /core/journals/journal-of-the-international-neuropsychological-society
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