نتایج جستجو برای: eog

تعداد نتایج: 730  

Journal: :Applied sciences 2021

Magnetoencephalography (MEG) detects very weak magnetic fields originating from the neurons so as to study human brain functions. The original detected MEG data always include interference generated by blinks, which can be called blink artifacts. Blink artifacts could cover signal we are interested in, and therefore need removed. Commonly used artifact cleaning algorithms space projection (SSP)...

Journal: :Investigative ophthalmology & visual science 2013
Michael D Abràmoff Robert F Mullins Kyungmoo Lee Jeremy M Hoffmann Milan Sonka Douglas B Critser Steven F Stasheff Edwin M Stone

PURPOSE Best disease is a macular dystrophy caused by mutations in the BEST1 gene. Affected individuals exhibit a reduced electro-oculographic (EOG) response to changes in light exposure and have significantly longer outer segments (OS) than age-matched controls. The purpose of this study was to investigate the anatomical changes in the outer retina during dark and light adaptation in unaffecte...

پایان نامه :دانشگاه آزاد اسلامی واحد علوم پزشکی تهران - دانشکده پزشکی 1390

دوبینی یا دیدن دوگانه یک شی واحد توسط افراد از جمله علائم بالینی رایج در بین بیماران مبتلا به انواع مختلف اختلالات چشم پزشکی به ویژه اختلالات نیازمند جراحی مانند آب مروارید می باشد. این اختلال می تواند در دو فاز قبل و بعد از اعمال جراحی چشمی دیده شود و اهمیت خاص خود را دارا باشد. هرچند از روش های مختلفی برای تشخیص دوبینی و علل منجر به آن استفاده می شود، اما به کار بردن روش هایی که دقت تشخیصی با...

2005
H. Yoon M-S. Song J-Y. Chung H. Park

The electrooculogram (EOG) of voluntary eye blinking is a distinguishable one among other eye blinking types such as spontaneous or reflexive blinking. In our study, we aimed to measure/detect the EOG of voluntary blinking during Echo Planar Imaging in the MR scanner. After the pulse artifact removal in the EOG signal, the waveform of EOG can clearly show voluntary eye blinking and this was equ...

Journal: :NeuroImage 2009
Yusuke Fujiwara Okito Yamashita Dai Kawawaki Kenji Doya Mitsuo Kawato Keisuke Toyama Masa-aki Sato

The magnetic fields generated by eye movements are major artifacts in MEG measurements. We propose a hybrid hierarchical variational Bayesian method to remove eye movement artifacts from MEG data. Our method is an extension of the hierarchical variational Bayesian method for MEG source localization proposed by Sato et al. [Sato, M., Yoshioka, T., Kajihara, S., Toyama, K., Goda, N., Doya, K., an...

Journal: :The British journal of ophthalmology 2003
A S Neubauer K Samari-Kermani U Schaller U Welge-Lübetaen G Rudolph T Berninger

AIM To investigate the relative sensitivity and specificity of two tests of retinal function (the electro-oculogram (EOG) and a computerised colour vision test) in screening for ocular toxicity caused by chloroquine and hydroxychloroquine. METHODS 93 patients with rheumatic diseases receiving long term chloroquine and hydroxychloroquine therapy were followed for an average of 2.6 years. Clini...

2013
Nicolas Thiebaud Stéphanie Veloso Da Silva Ingrid Jakob Gilles Sicard Joëlle Chevalier Franck Ménétrier Olivier Berdeaux Yves Artur Jean-Marie Heydel Anne-Marie Le Bon

A large set of xenobiotic-metabolizing enzymes (XMEs), such as the cytochrome P450 monooxygenases (CYPs), esterases and transferases, are highly expressed in mammalian olfactory mucosa (OM). These enzymes are known to catalyze the biotransformation of exogenous compounds to facilitate elimination. However, the functions of these enzymes in the olfactory epithelium are not clearly understood. In...

Journal: :Journal of Life Support Engineering 2007

Journal: :International journal of electrical & electronics research 2023

The paper presents (Electro-oculography) EOG- (Electroencephalography) EEG- Radio Frequency Identification (RFID) based Bimodal-Shared Control Interface for mobility assistance application by controlling a mobile robotic arm. EOG-EEG bio-signal bimodal interface has been used to move the robot following predefined path reach at an object placed initial position (Zone 1). RFID as shared control ...

Journal: :Indian Journal of Science and Technology 2015

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