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J Trauma. 2003 May;54(5):888-95; discussion 895-7.

Can within-category naming identify subtle cognitive deficits in the mild traumatic brain-injured patient?

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1
Department of Communication Sciences and Disorders, School of Allied Health Sciences, East Carolina University, Greenville, North Carolina, USA.

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.

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