Abstract
An intelligence deficit in schizophrenia is common and is associated with relapse and occupational impairment. The study aims to examine the intelligence quotient of schizophrenic patients and to compare with those of general population. This was a case control study where 30 adult schizophrenic patients between 15 to 45 years were enrolled from the inpatient and outpatient Psychiatry Department of Manipal College of Medical Sciences, Pokhara, Nepal. For control group, 30 normal subjects were enrolled from the general population matched with case group. The intelligence quotients were assessed by Wechsler Adult Intelligence Scale. The prevalence of intelligence deficit was 76.7% in the schizophrenic patients. The mean intelligence quotient was 84.80 with standard deviation of 6.53 in patients with schizophrenia. The intelligence quotient was average or above average in all the general populations. The mean intelligence quotient was 110.63 with standard deviation of 8.74 in the general population. The study concluded that the schizophrenic patients performed poorer in intelligence quotient than the general population
Highlights
Schizophrenia is a mental disorder characterized in general by fundamental and characteristic distortions of thinking and perception, and by inappropriate or blunted affect
The intelligence quotient of the respondents was measured by Wechsler Adult Intelligence Scale (WAIS).[6]
Understanding the extent of intellectual impairments in schizophrenia is important for understanding the etiology of the condition and its likely outcome
Summary
Schizophrenia is a mental disorder characterized in general by fundamental and characteristic distortions of thinking and perception, and by inappropriate or blunted affect. Clear consciousness and intellectual capacity are usually maintained, some cognitive deficits may evolve in the course of time.[1]. Impairment in a variety of cognitive functions is found in patients with schizophrenia. These impairments affect a wide range of cognitive abilities as compared to healthy individuals. Cognitive impairments appear to be present across the lifespan, detectable at the time of the first treatment episode, if not before, and to manifest a generally stable course over time.[2] Earlier term for schizophrenia called ‘dementia praecox’ indicates the central cognitive impairment of this disorder.[3,4]
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