Prospective Memory Impairments in Schizophrenic Patients

Imanollah Bigdeli; Azin Farzin; Siavosh Talepasand

IJ Psychiatry and Behavioral Sciences

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Prospective Memory Impairments in Schizophrenic Patients

Author(s):

Imanollah Bigdeli^1,*,

Azin Farzin¹,

Siavosh Talepasand²

1Department of Clinical Psychology, School of Psychology and Educational Sciences, Semnan University, Semnan, Iran

2Associate Professor, Department of Educational Sciences, School of Psychology and Educational Sciences, Semnan University, Semnan, Iran

IJ Psychiatry and Behavioral Sciences:Vol. 8, issue 4; 57-63

Published online:Dec 30, 2014

Article type:Research Article

Received:Nov 17, 2013

Accepted:Nov 16, 2014

How to Cite:Imanollah BigdeliAzin Farzin Siavosh TalepasandProspective Memory Impairments in Schizophrenic Patients.Iran J Psychiatry Behav Sci.8(4):57-63.

Abstract

Objective: Memory impairment is one of the most pervasive cognitive dysfunctions in schizophrenic patients. The aim of the current study was to conduct the most comprehensive assessment of how prospective memory (PM) is affected in schizophrenia in comparison with healthy controls.

Methods: In this study, 30 first-episode schizophrenic patients who fulfilled the diagnostic criteria of the Diagnostic and Statistical Manual of Mental Disorders based on the diagnostic interview were recruited from eight regional psychiatric clinics in Iran. All participants were males (age 27-42). Moreover, 28 healthy controls were recruited from the same social-class as the patients. The Prospective and Retrospective Memory Questionnaire (PRMQ), PM tasks, and the Virtual Week Board Game were administered. Moreover, clinical symptoms were rated using the positive and negative symptoms scale.

Results: The results showed that in all of the memory types, the group with dominant positive symptoms was superior to the group with dominant negative symptoms. In addition, the results showed that in all of the memory types, the control group had superiority to the schizophrenic group. The most considerable differences between groups were in time-based PM tasks, irregular event-based virtual week tasks, and retrospective tasks (PRMQ).

Conclusion: The current study confirmed that schizophrenic patients have severe PM deficits.

Declaration of interest: None.

Citation: Bigdeli I, Farzin A, Talepasand S. Prospective memory impairments in schizophrenic patients. Iran J Psychiatry Behav Sci 2014; 8(4): 57-63.

Keywords

Prospective Memory

Retrospective Memory

Schizophrenia

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