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Year : 2016  |  Volume : 6  |  Issue : 1  |  Page : 35-45

Elucidating the neuropsychological profile of apathetic syndrome and disinhibition syndrome in a brain-injured population in Oman

1 Department of Behavioral Medicine, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman
2 Department of Family Medicine and Public Health, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman
3 Department of Food Science and Nutrition, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat, Oman
4 Department of Rehabilitation Medicine, Emory University Medical School, Atlanta, Georgia, USA
5 Centre for Accident Research and Road Safety - Queensland, Queensland University of Technology, Brisbane, Queensland, Australia
6 Department of Neurosurgery, Khoula Hospital, Ministry of Health, Oman

Correspondence Address:
Samir Al-Adawi
Department of Behavioral Medicine College of Medicine and Health Sciences Sultan Qaboos University, Muscat
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2231-0738.173787

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Objective: The purpose of this study was to compare the neuropsychological performance of two frontal dysexecutive phenotypes - disinhibited&' syndrome (DS) and &'apathetic&' syndrome (AS) following a traumatic brain injury in a non-western population, Oman. Methods: The study compared the performance of DS and AS in neuropsychological measures including those tapping into verbal reasoning ability/working memory/attention planning/goal-directed behavior and affective ranges. Results: The present analysis showed that DS and AS participants did not differ on indices measuring working memory/attention and affective ranges. However, the two cohorts differed significantly in measures of planning/goal-directed behaviour. Conclusion: This study lays the groundwork for further scrutiny in delineating the different characteristics of what has been previously labelled as frontal dysexecutive phenotype. This study indicates that DS and AS are marked with specific neuropsychological deficits.

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