دانلود مقاله ISI انگلیسی شماره 32782
ترجمه فارسی عنوان مقاله

پتانسیل های مرتبط با رویداد در بیماران مبتلا به اختلال نقص توجه/بیش فعالی بزرگسالان در مقابل اسکیزوفرنی

عنوان انگلیسی
Event-related potentials in patients with adult attention-deficit/hyperactivity disorder versus schizophrenia
کد مقاله سال انتشار تعداد صفحات مقاله انگلیسی
32782 2011 4 صفحه PDF
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Psychiatry Research, Volume 189, Issue 2, 30 September 2011, Pages 288–291

ترجمه کلمات کلیدی
بیش فعالی؛ اسکیزوفرنی؛
کلمات کلیدی انگلیسی
AD/HD; Schizophrenia; P300; N2b; Nd; ERP
پیش نمایش مقاله
پیش نمایش مقاله  پتانسیل های مرتبط با رویداد در بیماران مبتلا به اختلال نقص توجه/بیش فعالی بزرگسالان در مقابل اسکیزوفرنی

Event-related potentials (ERPs) such as Nd, N2b, and P300 in an attentional task and an auditory oddball task were compared among 54 adult AD/HD patients, 43 schizophrenic patients (SZ), and 40 healthy age-matched volunteers (HC). It is known that Nd, N2b, and P300 reflect selective attention, voluntary attention, and cognitive context updating respectively. The peak amplitude of P300 was significantly lower in the adult AD/HD and SZ groups than in the HC group. The peak latencies of late Nd, N2b, and P300 were significantly longer in the SZ group than in the HC and adult AD/HD groups. Thus, attenuated amplitude and prolonged latency of various ERP components in the SZ group suggest the possibility of impairment of basic mechanisms underlying cognitive processing. Unlike the SZ group, the adult AD/HD group exhibited reduced amplitude of P300 but not prolonged latency. These findings suggest the existence of a different type of cognitive dysfunction in the adult AD/HD group, which might be closely related to attentional function.