P300 as an index of recognition in a standard and difficult match-to-sample test: A model of amnesia in normal adults

被引:5
作者
Ellwanger, J
Rosenfeld, JP
Hankin, BL
Sweet, JJ
机构
[1] Northwestern Univ, Evanston, IL USA
[2] Northwestern Univ, Evanston Hosp, Evanston, IL 60201 USA
关键词
D O I
10.1076/clin.13.1.100.1978
中图分类号
B849 [应用心理学];
学科分类号
040203 ;
摘要
Earlier research has supported the use of a P300 (P3)-based procedure to detect simulated amnesia. In the present experiment, an attempt was made to model the behavior and event-related potentials (ERPs) that amnestic patients might demonstrate with relatively easy recognition memory tests, by increasing the difficulty of a match-to-sample recognition memory test taken by 18 memory-unimpaired undergraduates. None of the participants in the modeled amnesic condition were classified as having intact recognition memory as the result of P3-based intra-individual tests (specificity = 100%). The results support the utility of a P3 procedure for the detection of malingering by demonstrating the procedure to be a valid measure of impaired recognition with this model of amnesia.
引用
收藏
页码:100 / 108
页数:9
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