دانلود مقاله ISI انگلیسی شماره 40198
عنوان فارسی مقاله

ردیابی محو رقم در سندرم ویلیامز

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
40198 2011 8 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
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عنوان انگلیسی
Fading-figure tracing in Williams syndrome
منبع

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

Journal : Brain and Cognition, Volume 75, Issue 1, February 2011, Pages 10–17

کلمات کلیدی
سندرم ویلیامز - نقشه کشی - کپی برداری - توانایی - توانایی ساخت - حافظه کاری - اختلال رشدی
پیش نمایش مقاله
پیش نمایش مقاله ردیابی محو رقم در سندرم ویلیامز

چکیده انگلیسی

Williams syndrome (WS) is a neurodevelopmental disorder characterized by severe impairment of visuospatial abilities. Figure-drawing abilities, which are thought to reflect visuospatial abilities, have yet to be fully investigated in WS. The purpose of the present study was to clarify whether drawing abilities differ between WS individuals and typically developing children (TD). We compared the performance of two groups of subjects (WS, mean age 16 years; TD, 5–6 years of age) using a fading-figure tracing task that requires subjects to trace a target figure that is gradually disappearing from a PC screen. Although the TD group exhibited clearly improved performance with long fading time, the WS group did not. Moreover, the TD group exhibited poor performance for figures with more than six angles, regardless of the figure type (e.g. closed or open), whereas the WS group exhibited generally poor performance for figures with more than five angles but relatively preserved performance for open figures. These findings indicate that a combination of decreased visuospatial span associated with incomplete development of visual scanning and disproportionate development of global processing may cause drawing disabilities in WS.

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