کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9429527 | 1297047 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Cognitive ERPs are related to ApoE allelic variation in mildly cognitively impaired patients
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب (عمومی)
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Identification of biological or cognitive changes in brain function, associated with allelic variation in Apolipoprotein E, is important for unravelling the mechanism behind the increased risk for Alzheimer's disease associated with the É4 allele. Cognitive event-related potentials (ERPs) show high degrees of heritability and are sensitive to subtle cognitive deficits. They may, therefore, be good candidates for assessing allelic effects. Non-demented patients age 50-76 undergoing investigation for memory problems performed ERP paradigms for testing automatic (MMN) and cognitive (N1, N2, P3) attention functions. The results indicated attenuation in the amplitude of the N1 and N2 ERP components depending on the dose of the É4 allele. Findings are consistent with studies showing reduced fronto-temporal metabolic activity in ApoE4 carriers.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neuroscience Letters - Volume 382, Issue 3, 15 July 2005, Pages 346-351
Journal: Neuroscience Letters - Volume 382, Issue 3, 15 July 2005, Pages 346-351
نویسندگان
Ivar Reinvang, Thomas Espeseth, Leif Gjerstad,