نتایج جستجو برای: مجلات isi و غیر isi

تعداد نتایج: 770110  

Journal: :Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2013
Jessica Lu William Speier Xiao Hu Nader Pouratian

OBJECTIVE Despite numerous examinations of factors affecting P300 speller performance, the impact of stimulus presentation parameters remains incompletely understood. This study examines the effects of four distinct stimulus presentation parameters (stimulus-off time [ISI(∗)], interstimulus interval [ISI], flash duration, and flash-duration:ISI ratio) on the accuracy and efficiency of the P300 ...

2004
MAURICE J. CHACRON BENJAMIN LINDNER

Neurons produce action potentials or spikes in response to a wide variety of inputs. Correlations between interspike intervals are often seen in data from single neurons, and are due to a combination of intrinsic mechanisms and the temporal properties of the input stimulus. Here we review recent progress in our understanding of how intrinsic correlations arise in simple biophysically justified ...

Journal: :Vision research 1990
S Shioiri P Cavanagh

A moving random-dot stimulus was presented in two sequential frames separated by an interstimulus interval (ISI) during which the field was spatially uniform with luminance equal to either the average luminance of the stimulus field (grey) or that of the black dots (black). In Experiment 1, black ISIs did not affect perception of motion direction but grey ISIs produced motion in the direction o...

2017
V. Nemoshkalenko V. Molodkin A. Shpak A. Zelinsky

2008
L Gandossi A Eriksson

SUMMARY The European Network for Inspection and Qualification (ENIQ) is a utility driven network that works towards a harmonized European approach on reliable and effective in-service inspection (ISI). In particular, ENIQ task groups work on issues related to the qualification of ISI systems (task group on qualification, TGQ) and to risk-informed in-service inspection (RI-ISI) (task groups on r...

Journal: :Journal of dairy science 2015
J G Remnant M J Green J N Huxley C D Hudson

An understanding of the normal estrous-cycle length of the cow is important when managing and monitoring dairy-herd fertility. Although the normal interovulatory interval is widely considered to be 21 d, some studies have found alternative intervals to be more prevalent; previously, most of the variation in interval length was expected to be between cows. The aim of this study was to assess the...

Journal: :Journal of neurophysiology 2011
Jonathan Y Shih Craig A Atencio Christoph E Schreiner

We analyzed the receptive field information conveyed by interspike intervals (ISIs) in the auditory cortex. In the visual system, different ISIs may both code for different visual features and convey differing amounts of stimulus information. To determine their potential role in auditory signal processing, we obtained extracellular recordings in the primary auditory cortex (AI) of the cat while...

Journal: :Epilepsy & Behavior 2016
Kwang Ik Yang Madeleine Grigg-Damberger Noah Andrews Colin O'Rourke James Bena Nancy Foldvary-Schaefer

BACKGROUND Few studies have systematically investigated insomnia in adults with epilepsy. METHODS We performed a prospective cross-sectional investigation of the prevalence, severity, and comorbidities of insomnia in 90 adults with epilepsy using a battery of self-reported instruments and polysomnography. We quantified insomnia severity using the Insomnia Severity Index (ISI). RESULTS Fifty...

2014
Yong Won Cho Mei Ling Song Charles M. Morin

BACKGROUND AND PURPOSE The purposes of this study were to standardize and validate a Korean version of the Insomnia Severity Index (ISI-K), and to evaluate its clinical usefulness. METHODS We translated the ISI into Korean and then translated it back into English to check its accuracy. The 614 patients with sleep disorders who were enrolled in this study comprised 169 with primary insomnia, 1...

ژورنال: :دانش شناسی 0
رحیم علیجانی عضو هیات علمی دانشگاه پیام نور نوراله کرمی کارشناسی ارشد مرکز منطقه ای علوم و فناوری

هدف: در این پژوهش ابتدا به بررسی و مطالعه تاریخچه و تعاریف مختلف اصطلاح  کتابسنجی پرداخته شده است. سپس وضعیت جاری این اصطلاح در پایگاه اطلاعاتی آی.اس.آی مورد بررسی قرار گرفته است. روش: در این پژوهش با استفاده از داده های پایگاه اطلاعاتی آی.اس.آی وضعیت گذشته و حال اصطلاح کتابسنجی مورد بررسی قرار گرفته است. یافته ها: یافته ها نشان می دهد که  گالانزل با تولید 41 مدرک معادل 58/2 درصد پرکارترین نویس...

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