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DeLuca J, Schultheis MT, Madigan NK, Christodoulou C, Averill A. Acquisition versus retrieval deficits in traumatic brain injury: implications for memory rehabilitation. Arch Phys Med Rehabil 2000;81:1327-33.

To examine whether impaired memory in persons with traumatic brain injury (TBI) is caused by impaired initial acquisition or compromised retrieval from long-term storage.

Prospective matched controlled trial.

Postacute rehabilitation institute.

Patients with moderate to severe TBI (n = 28) and 21 matched, healthy controls (HCs).

Patients with TBI and HC subjects were equated on initial acquisition on a verbal list-learning task. Recall and recognition performance was then evaluated at 30- and 90-minutes after learning.

All HC subjects and 20 subjects with TBI (TBI-MET) were able to meet the learning criterion, but the TBI-MET group took …