کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9198132 | 1188890 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Processing of famous faces and medial temporal lobe event-related potentials: a depth electrode study
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب شناختی
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چکیده انگلیسی
The present study aims at analyzing the modulation of two types of event-related potentials originating from the human medial temporal lobe, the rhinal AMTL-N400 and the hippocampal P600 by the processing of famous faces. Therefore, we used a face recognition paradigm in which subjects had to discriminate the faces of famous persons from the faces of non-famous persons. Eleven patients with unilateral medial temporal lobe epilepsy undergoing intrahippocampal depth electrode recording for presurgical evaluation participated in this study. Event-related potentials (ERP) were recorded while a sequence of famous and non-famous faces was presented to the patients. The presentation of each face was repeated. The faces evoked N400-like potentials (anterior medial temporal lobe N400, AMTL-N400) in the rhinal cortex and P600-like potentials in the hippocampus. ERPs elicited by famous faces were contrasted with ERPs elicited by non-famous faces. The first presentation of famous faces elicited an enhanced AMTL-N400 and an enhanced hippocampal P600 in comparison to the second presentations of the famous faces or the (first and second presentation of the) non-famous faces. This findings are discussed in terms of associative semantic memory processes and the retrieval of person-specific information from long-term memory stores triggered by the processing of famous faces.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: NeuroImage - Volume 25, Issue 2, 1 April 2005, Pages 401-407
Journal: NeuroImage - Volume 25, Issue 2, 1 April 2005, Pages 401-407
نویسندگان
T. Dietl, P. Trautner, M. Staedtgen, M. Vannuchi, A. Mecklinger, T. Grunwald, H. Clusmann, C.E. Elger, M. Kurthen,