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Citation |
Barrow IM, Hough M, Rastatter MP, Walker M, Holbert D, Rotondo MF. J. Trauma 2003; 54(5): 888-95; discussion 895-7. |
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Affiliation |
Department of Communication Sciences and Disorders, School of Allied Health Sciences, East Carolina University, Greenville, North Carolina, USA. |
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Copyright |
(Copyright © 2003, Lippincott Williams and Wilkins) |
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DOI |
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PMID |
12777901 |
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Abstract |
BACKGROUND: This investigation examined the effect of a speeded, computer-controlled task on detecting differences in latency and accuracy of within-category name generation in adults having sustained a mild traumatic brain injury (MTBI). METHODS: Twenty-four adults in acute recovery and 24 age-matched controls were instructed to view 72 pictures on a computer monitor, and then name another item belonging to the same category as the visual stimulus as quickly as possible. RESULTS: The MTBI group demonstrated significantly longer latencies (p < 0.001) and lower accuracy (p < 0.001) than the control group. Both groups displayed similar patterns of response, although the MTBI group produced significantly more perseverative errors (p < 0.001). No significant correlations were found between performance on the Scales of Cognitive Ability for Traumatic Brain Injury and response latency or accuracy. CONCLUSION: The MTBI group performed the task significantly slower and less accurately than controls. Reaction time measures may prove more sensitive than traditional assessment measures in detecting subtle difficulties. |