دانلود مقاله ISI انگلیسی شماره 77068
عنوان فارسی مقاله

ریتم شبانه روزی در سینماتیک دست خط و خوانایی

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
77068 2011 12 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
Circadian rhythms in handwriting kinematics and legibility
منبع

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

Journal : Human Movement Science, Volume 30, Issue 4, August 2011, Pages 818–829

کلمات کلیدی
ریتم شبانه روزی؛ تجزیه و تحلیل حرکتی؛ خوانایی؛ دست خط - محرومیت از خواب
پیش نمایش مقاله
پیش نمایش مقاله ریتم شبانه روزی در سینماتیک دست خط و خوانایی

چکیده انگلیسی

The aim of the present study was to analyze the circadian rhythmicity in handwriting kinematics and legibility and to compare the performance between Dutch and German writers. Two subject groups underwent a 40 h sleep deprivation protocol under Constant Routine conditions either in Groningen (10 Dutch subjects) or in Berlin (9 German subjects). Both groups wrote every 3 h a test sentence of similar structure in their native language. Kinematic handwriting performance was assessed with a digitizing tablet and evaluated by writing speed, writing fluency, and script size. Writing speed (frequency of strokes and average velocity) revealed a clear circadian rhythm, with a parallel decline during night and a minimum around 3:00 h in the morning for both groups. Script size and movement fluency did not vary with time of day in neither group. Legibility of handwriting was evaluated by intra-individually ranking handwriting specimens of the 13 sessions by 10 German and 10 Dutch raters. Whereas legibility ratings of the German handwriting specimens deteriorated during night in parallel with slower writing speed, legibility of the Dutch handwriting deteriorated not until the next morning. In conclusion, the circadian rhythm of handwriting kinematics seems to be independent of script language at least among the two tested western countries. Moreover, handwriting legibility is also subject to a circadian rhythm which, however, seems to be influenced by variations in the assessment protocol.

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