Comparing the executive function of patients with schizophrenia, acute/chronic type I disorder (manic episode), and healthy controls on Wisconsin Card Sorting Test and Continuous Performance Test

How to Cite:Hossein ZareSamira Hassanzadeh PashangAfshin SaberyComparing the executive function of patients with schizophrenia, acute/chronic type I disorder (manic episode), and healthy controls on Wisconsin Card Sorting Test and Continuous Performance Test.J Kermanshah Univ Med Sci.21(1):e69505.https://doi.org/10.22110/jkums.v21i1.3104.

Abstract

Introduction: From among various cognitive deficits, deficits in executive processes have an effective role in limiting the patients’ ability to retain, acquire, and re-learn the skills necessary for real-life performance. Thus, the present study aimed to compare the executive function of patients with schizophrenia, acute/chronic type I disorder, and the healthy group.

Methods: The present research was an analytical-comparative study. The statistical population consisted of all the outpatients and inpatients with acute/chronic schizophrenia and acute/chronic type I disorder (manic episode) visiting Shafa Psychiatric Hospital, Rasht, Iran. Using convenience sampling, 60 male subjects aging 18-49 years old were selected in 2014-2015. They were matched for the variables of sex, age, and education level. The Wisconsin Card Sorting Test, Continuous Performance Test, and Raven’s Progressive Matrices were administered, and the data were analyzed using MANOVA and Tukey post-hoc test.

Results: A significant difference was observed between the acute/chronic schizophrenia group, acute/chronic type I disorder (manic episode), and healthy group on the two tests. Patients with schizophrenia had a weaker executive function and attention deficit compared to those with type I disorder and the healthy group (P£0.05).

Conclusion: Both schizophrenia and type I disorder patients show deficits in executive function and attention. However, the former group manifests higher impairment in cognitive activities, concept formation, cognitive flexibility, and attention deficit.

Keywords

Schizophrenia

type I disorder

executive function

Wisconsin Card Sorting Test

Continuous Performance Test

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Author(s):

Hossein Zare:[PubMed][Scholar]
Samira Hassanzadeh Pashang:[PubMed][Scholar]
Afshin Sabery:[PubMed][Scholar]