University
of Nebraska LincolnTraumatic
Brain Injury Homepage|
Executive
Functioning Abstracts
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| Averill, A., Christoduoulou, C., DeLuca, J., Madigan, N., & Schultheis, M. (2000). Acquisition versus retrieval deficits in traumatic brain injury: Implications for memory rehabilitation. Arch Phys Med Rehabil, 81, 1327-33. |
| The memory function of 28 adults with moderate to sever traumatic brain injury (TBI) was compared to 21 healthy adults (HC) to determine whether impaired memory in TBI patients was a result of initial acquisition or compromised retrieval from long term storage. The two groups were equated on the mount of verbal information that could be initially learned. Recall and recognition performance 30-and 90-minutes after learning was then evaluated. Eight of the 28 TBI subjects never learned the task and were therefore not included in the final results of the study. All of the healthy adults met the learning criterion. The 20 adults with TBI who met the criterion required significantly more trial to do so than the HC adults. The results suggest that memory impairment after sustaining a TBI is caused by deficits in the initial acquisition of verbal information rather than in compromised retrieval. |
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