Article (Scientific journals)
Variability in the impairments of recognition memory in patients with frontal lobe lesions
Bastin, Christine; Van der Linden, Martial; Lekeu, Françoise et al.
2006In Cortex: A Journal Devoted to the Study of the Nervous System and Behavior, 42 (7), p. 971-1058
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Keywords :
false recognition; recognition processes; episodic memory; frontal lobes
Abstract :
[en] Fourteen patients with frontal lobe lesions and 14 normal subjects were tested on a recognition memory task that required discriminating between target words, new words that are synonyms of the targets and unrelated distractors. A deficit was found in 12 of the patients. Moreover, three different patterns of recognition impairment were identified: (I) poor memory for targets, (II) normal hits but increased false recognitions for both types of distractors, (III) normal hit rates, but increased false recognitions for synonyms only. Differences in terms of location of the damage and behavioural characteristics between these subgroups were examined. An encoding deficit was proposed to explain the performance of patients in subgroup I. The behavioral patterns of the patients in subgroups II and III could be interpreted as deficient postretrieval verification processes and an inability to recollect item-specific information, respectively.
Disciplines :
Neurosciences & behavior
Author, co-author :
Bastin, Christine  ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Van der Linden, Martial ;  Université de Liège - ULiège > Département des sciences cognitives > Psychopathologie cognitive
Lekeu, Françoise ;  Centre Hospitalier Universitaire de Liège - CHU > Neurologie Sart Tilman
Andrès Bénito, Pilar
Salmon, Eric  ;  Université de Liège - ULiège > Centre de Recherches du Cyclotron - Département des sciences cliniques > Neuroimagerie des troubles de la mémoire et révalid. cogn.
Language :
English
Title :
Variability in the impairments of recognition memory in patients with frontal lobe lesions
Publication date :
2006
Journal title :
Cortex: A Journal Devoted to the Study of the Nervous System and Behavior
ISSN :
0010-9452
eISSN :
1973-8102
Publisher :
Masson
Volume :
42
Issue :
7
Pages :
971-1058
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 26 May 2009

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