نتایج جستجو برای: eye movement

تعداد نتایج: 298683  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی 1387

بیش از سی سال است که سیستم های تعقیب حرکت چشم به منظور برقراری ارتباط بین افراد ناتوان حرکتی و کامپیوتر، طراحی و روانه بازار شده اند. در یک سیستم تعقیب گر حرکت چشم، کاربر در مقابل یک صفحه نمایش قرار می گیرد و یک (یا چند) دوربین ویدیویی از چشمان وی تصویربرداری می کند. دنباله تصاویر به دست آمده، برای تخمین مسیر نگاه کاربر پردازش می شود. تعقیب گرهای تجاری موجود در بازار، به دلیل استفاده از دوربین ...

In the present work sedative and hypnotic effects of aqueous extract of Aloe vera in rats have been investigated. In order to evaluate the overall hypnotic effects of the Aloe vera extract, open field and loss of righting reflex tests were primarily used. The sedative and hypnotic effects of the extract were then confirmed by detection of remarkable raise in the total sleeping time through anal...

In the present work sedative and hypnotic effects of aqueous extract of Aloe vera in rats have been investigated. In order to evaluate the overall hypnotic effects of the Aloe vera extract, open field and loss of righting reflex tests were primarily used. The sedative and hypnotic effects of the extract were then confirmed by detection of remarkable raise in the total sleeping time through anal...

Journal: :Vision Research 2006
Hyung-Chul O. Li

When an observer pursues an object moving away from him or her, both eyes rotate in the opposite direction, and this type of disconjugate eye movement can generate eye movement-induced disparities in the case of dynamic objects that are present around the pursuit object. Such disparities are not usually generated by conjugate eye movement. The aim of this study was to determine whether eye move...

Journal: :پژوهنده 0
دکتر پروین دیباج نیا parvin dibajnia دکتر علیرضا ظهیرالدین ali reza zahirodin shahid beheshti university of medical sciences, department of psychiatry, faculty of medicine;تهران، خیابان شهید مد نی، بیمارستان امام حسین (ع)، مرکز تحقیقات علوم رفتاری دانشگاه علوم پزشکی شهید بهشتی؛ زهرا قیدر zahra gheidar

background: the 5% to 25% prevalence of post-traumatic stress disorder (ptsd) during life-time can cause irrefutable harms an individuals and society. this research carried out to examine or not eye movement desensitization and reprocessing (emdr) treatment can improve ptsd symptoms. materials and methods: 71 patients (56 females and 15 males) have been selected randomly. demographic and kind o...

2017
Magdalena Krieber Katrin D. Bartl-Pokorny Florian B. Pokorny Dajie Zhang Karin Landerl Christof Körner Franz Pernkopf Thomas Pock Christa Einspieler Peter B. Marschik

The present study aimed to define differences between silent and oral reading with respect to spatial and temporal eye movement parameters. Eye movements of 22 German-speaking adolescents (14 females; mean age = 13;6 years;months) were recorded while reading an age-appropriate text silently and orally. Preschool cognitive abilities were assessed at the participants' age of 5;7 (years;months) us...

1999
J. M. SIEGEL

We have conducted the first study of sleep in the platypus Ornithorhynchus anatinus. Periods of quiet sleep, characterized by raised arousal thresholds, elevated electroencephalogram amplitude and motor and autonomic quiescence, occupied 6–8 h/day. The platypus also had rapid eye movement sleep as defined by atonia with rapid eye movements, twitching and the electrocardiogram pattern of rapid e...

Journal: :Neuroscience 1999
J M Siegel P R Manger R Nienhuis H M Fahringer T Shalita J D Pettigrew

We have conducted the first study of sleep in the platypus Ornithorhynchus anatinus. Periods of quiet sleep, characterized by raised arousal thresholds, elevated electroencephalogram amplitude and motor and autonomic quiescence, occupied 6-8 h/day. The platypus also had rapid eye movement sleep as defined by atonia with rapid eye movements, twitching and the electrocardiogram pattern of rapid e...

Journal: :Psychiatry and clinical neurosciences 2017
Kentaro Morita Kenichiro Miura Michiko Fujimoto Hidenaga Yamamori Yuka Yasuda Masao Iwase Kiyoto Kasai Ryota Hashimoto

AIM Studies have shown that eye movement abnormalities are possible neurophysiological biomarkers for schizophrenia. The aim of this study was to investigate the utility of eye movement abnormalities in identifying patients with schizophrenia from healthy controls. METHODS Eighty-five patients with schizophrenia and 252 healthy controls participated in this study. Eye movement measures were c...

2013
Wang Changyuan Zhang Jing Chen YuLong

In order to study the vestibular system in different organs of movement as well as their collaboration between working mechanism, this paper designs a model of the common object request broker architecture (CORBA) for the head and eye movement system based on the vestibular function. By analyzing physiological characteristics of the head and eye movement model, and further introducing the struc...

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