Results 81 to 90 of about 499,386 (346)

Clinical And Electrophysiological Correlation In Patient With Optic Neuritis

open access: yesRevista Cubana de Investigaciones Biomédicas, 2019
A descriptive and traverse study was performed in patients with diagnosis of optic neuritis,  that attended  to the neuro ophthalmology service of the ophthalmological center, at the Santiago General Hospital "Dr.
Lianne Alicia Chang Arraño   +3 more
doaj  

Influence of visual angle on pattern reversal visual evoked potentials

open access: yesOman Journal of Ophthalmology, 2014
Purpose: The aim of this study was to find whether the visual evoked potential (VEP) latencies and amplitude are altered with different visual angles in healthy adult volunteers or not and to determine the visual angle which is the optimum and most ...
Ruchi Kothari   +4 more
doaj   +1 more source

Comparison of Modern Highly Interactive Flicker-Free Steady State Motion Visual Evoked Potentials for Practical Brain–Computer Interfaces

open access: yesBrain Sciences, 2020
Motion-based visual evoked potentials (mVEP) is a new emerging trend in the field of steady-state visual evoked potentials (SSVEP)-based brain–computer interfaces (BCI). In this paper, we introduce different movement-based stimulus patterns (steady-state
Piotr Stawicki, Ivan Volosyak
doaj   +1 more source

Direct Current Auditory Evoked Potentials During Wakefulness, Anesthesia, and Emergence from Anesthesia [PDF]

open access: yes, 2001
Direct current auditory evoked potentials (DC-AEPs) are a sensitive indicator of depth of anesthesia in ani-mals. However, they have never been investigated in humans. To assess the potential usefulness of DC-AEPs as an indicator of anesthesia in humans,
Bauer, Herbert   +5 more
core   +1 more source

Effectiveness of rTMS on Working Memory and Inhibitory Impairments in Patients With Post‐Stroke Executive Deficits

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Considerable efforts have been dedicated to developing effective treatments for post‐stroke executive impairment (PSEI), among which repetitive transcranial magnetic stimulation (rTMS) has shown great potential. This study aimed to investigate the therapeutic effects of high‐frequency rTMS on working memory (WM) and response ...
Mengting Lao   +6 more
wiley   +1 more source

VISUAL EVOKED POTENTIAL IN NON-INSULIN DEPENDENT DIABETES MELLITUS PATIENTS WITHOUT DIABETIC RETINOPATHY

open access: yesJournal of University Medical & Dental College, 2017
Purpose: Diabetes mellitus has multiple complications involving many organs like eyes, brain, heart and kidneys ets. In visual complications retinopathies and neuropathies are most important.
Nawaz Cheema, Saba Anwar, Erum Ehsan
doaj  

Top-down effects on early visual processing in humans: a predictive coding framework [PDF]

open access: yes, 2011
An increasing number of human electroencephalography (EEG) studies examining the earliest component of the visual evoked potential, the so-called C1, have cast doubts on the previously prevalent notion that this component is impermeable to top-down ...
Pourtois, Gilles   +2 more
core   +2 more sources

Understanding Further the Phenotypic Spectrum of Central Nervous System Inflammatory Demyelinating Disorders Using Unsupervised Clustering

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Central nervous system (CNS) inflammatory demyelinating syndromes, including multiple sclerosis (MS), aquaporin‐4 antibody–positive neuromyelitis optica spectrum disorder (AQP4 + NMOSD), and myelin oligodendrocyte glycoprotein (MOG) antibody–associated disease (MOGAD), occasionally overlap.
Bade Gulec   +6 more
wiley   +1 more source

Validity ty of spectral analysis of evoked potentials in brain research [PDF]

open access: yes, 2002
The averaged electronencephologram (EEG) response of the brain to an external stimulus (evoked potential, EP) is usually subjected to spectral analysis using the fast Fourier transform (FFT), especially to discover the relation of cognitive ability to so-
Kramarenko, Alexander, TAN, UNER
core  

Comparing the Effect of Semi‐Immersive Virtual Reality, Computerized Cognitive Training, and Traditional Rehabilitation on Cognitive Function in Multiple Sclerosis: A Randomized Clinical Trial

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Cognitive impairment is a common non‐motor symptom in Multiple Sclerosis (MS), negatively affecting autonomy and Quality of Life (QoL). Innovative rehabilitation strategies, such as semi‐immersive virtual reality (VR) and computerized cognitive training (CCT), may offer advantages over traditional cognitive rehabilitation (TCR ...
Maria Grazia Maggio   +8 more
wiley   +1 more source

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