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- W1825568629 abstract "OBJECTIVE: To further investigate the cognitive reserve hypothesis in a clinical sample of TBI patients with mild, moderate, and severe injuries. BACKGROUND: Recent attention in the literature has been brought to the cognitive reserve hypothesis in understanding variation in functional outcome after brain injury. The cognitive reserve hypothesis predicts that individuals with higher premorbid intelligence are better able to compensate for brain damage and have greater preservation of functional capacity regardless of injury severity. DESIGN/METHODS: The current study compares the functional outcome of 32 individuals of varying degrees of brain injury severity at one year post-injury. These individuals were selected from a larger natural history study of TBI. Premorbid intelligence was assessed with the Test of Premorbid Functioning (ToPF). Functional outcome after injury was measured with the Short Form (36) Health Survey (SF-36) and the Glasgow Outcome Scale - Extended (GOS-E) at the one-year mark. Spearman-Brown and Pearson correlations were used to correlate premorbid intelligence with functional outcome measures. The analysis was conducted to assess our hypothesis that the ToPF will be positively correlated with functional outcome measures. RESULTS: 21 males and 11 females were included in our sample. The average age of participants was 45.1 years, and the average education level was 15.7 years. Findings indicate that higher estimated premorbid intelligence was positively correlated with better Mental Component Summary Score of SF-36 and functional outcomes on the GOSE. There was no relationship between premorbid intelligence and general physical functioning as measured by the Physical Component Summary Score on the SF-36. CONCLUSIONS: This study provides further support for the cognitive reserve hypothesis that higher premorbid intellectual abilities are associated with better post-injury outcomes after TBI. The ToPF serving as an estimate of premorbid IQ was associated with better mental health and adaptive functioning measures. Study Supported by: NIH and DoD Disclosure: Dr. Leary has nothing to disclose. Dr. Schwimmer has nothing to disclose. Dr. Hussain has nothing to disclose. Dr. Lopez has nothing to disclose. Dr. McNally has nothing to disclose. Dr. Dsurney has nothing to disclose. Dr. Chan has nothing to disclose." @default.
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- W1825568629 date "2015-04-06" @default.
- W1825568629 modified "2023-09-28" @default.
- W1825568629 title "Cognitive Reserve and Preservation of Functioning Following Traumatic Brain Injury (P7.188)" @default.
- W1825568629 hasPublicationYear "2015" @default.
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