Cognitive functioning following traumatic brain injury: A five-year follow-up

Marsh, Nigel V.* and Ludbrook, Maria R and Gaffaney, Lauren C (2016) Cognitive functioning following traumatic brain injury: A five-year follow-up. NeuroRehabilitation, 38 (1). pp. 71-78. ISSN 1053 8135

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To describe the long-term prevalence and severity of cognitive deficits following significant (i.e., ventilation required for >24 hours) traumatic brain injury. To assess a comprehensive range of cognitive functions using psychometric measures with established normative, reliability, and validity data. A group of 71adults was assessed at approximately five years(mean=66months)following injury. Assessment of cognitive functioning covered the domains of intelligence, attention, verbal and visual memory, visual-spatial construction, and executive functions. Impairment was evident across all domains but prevalence varied both within and between domains. Across aspects of intelligence clinical impairment ranged from 8–25%, attention 39–62%, verbal memory 16–46%, visual memory 23–51%,visual-spatialconstruction38%,andexecutivefunctions(verbalfluency)13%.Inaddition,3–23%ofperformances across the measures were in the borderline range, suggesting a high prevalence of subclinical deficit. Although the prevalence of impairment may vary across cognitive domains, long-term follow-up documented deficits in all six domains. These findings provide further evidence that while improvement of cognitive functioning following significant traumatic brain injury may be possible, recovery of function is unlikely.

Item Type: Article
Additional Information: 2nd and 3rd authors are with Department of Psychology, University of Waikato
Uncontrolled Keywords: Traumatic brain injury; cognitive functioning; neuropsychological assessment;long-term outcome
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > R Medicine (General)
Divisions: Others > Non Sunway Academics
Sunway University > School of Engineering and Technology [formerly School of Science and Technology until 2020] > Dept. Psychology moved to SMLS wef 2021
Depositing User: Dr Janaki Sinnasamy
Date Deposited: 15 Feb 2017 02:41
Last Modified: 03 Jul 2019 08:59

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