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Indian Journal of Neurotrauma 2009; 06(02): 123-132
DOI: 10.1016/S0973-0508(09)80006-3
Original article
Thieme Medical and Scientific Publishers Private Ltd.

Indian adaptation of the Cognistat : Psychometric properties of a cognitive screening tool for patients of traumatic brain injury

Ashum Gupta
,
Natasha Khullar Kumar
Subject Editor:
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Publication History

Publication Date:
05 April 2017 (online)

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Abstract

The present study was aimed at adapting the cognitive screening tool ‘Cognistats’ (Neurobehavioral Cognitive Status Exam) for use with the Indian community. As a part of the Indian adaptation of the test, the ‘screen and metric’ approach of assessment was eliminated. However, the screening item of the construction sub-test has been retained as a separate sub-test for evaluating immediate visual memory. Culturally irrelevant test items were identified under the, repetition, naming, memory, similarities and judgment sub-tests. Changes were made to these items on the basis of recommendation of 7 psychologists of Indian origin. The psychometric properties of the scale were evaluated in a sample of 30 patients with Traumatic Brain Injury (TBI) and 55 demographically matched healthy controls. The internal consistency of the test was high (Cronbach's alpha = 0.94). The test was found to have acceptable inter- rater and test-retest reliability. The concurrent validity of the test was established by comparing the performance of patients on MMSE and sub-tests of the Indian adaptation of Cognistat The test was found to have high discriminative validity as there was a significant difference in the performance of patients and controls on all subtests (p<.001). The adaptation of Cognistat provides the Indian population with a highly valuable cognitive screening tool.

Keywords

Cognistat - Indian Adaptation - Traumatic Brain Injury
 

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