Journal
NEUROPSYCHOLOGY
Volume 18, Issue 1, Pages 94-103Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/0894-4105.18.1.94
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Funding
- NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE [P50NS026985] Funding Source: NIH RePORTER
- NINDS NIH HHS [NS26985] Funding Source: Medline
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This study examined verbal recognition memory in amnesic patients with frontal lesions (AF), nonamnesic patients with frontal lesions (NAF), and amnesic patients with medial temporal lesions (MT). To examine susceptibility to false alarms, the number of studied words drawn from various categories was varied. The AF and MT groups demonstrated reduced hits and increased false alarms. False alarms were especially elevated when item-specific recollection was strongest in control participants. The NAF group performed indistinguishably from control participants, but several patients showed excessive false alarms in the context of normal hit rates. These patients exhibited impaired monitoring and verification processes. The findings demonstrate that elevated false recognition is not characteristic of all frontal patients and may result from more than I underlying mechanism.
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