Results 41 to 50 of about 9,283 (178)

SSA of biomedical signals: A linear invariant systems approach [PDF]

open access: yes, 2010
Singular spectrum analysis (SSA) is considered from a linear invariant systems perspective. In this terminology, the extracted components are considered as outputs of a linear invariant system which corresponds to finite impulse response (FIR) filters ...
Figueiredo, Nuno   +5 more
core   +2 more sources

Optic nerve assessment identifies biomarkers of axonal pathology in multiple sclerosis [PDF]

open access: yesRomanian Journal of Neurology, 2012
Our aim was to identify possible correlations between physical disabilities assessed by expanded disability status score (EDSS) and neurodegenerative process measured by retinal nerve fibers thickness, and also with demyelization process measured by ...
Simona Petrescu   +7 more
doaj   +1 more source

EEG findings of reduced neural synchronization during visual integration in schizophrenia [PDF]

open access: yes, 2015
Schizophrenia patients exhibit well-documented visual processing deficits. One area of disruption is visual integration, the ability to form global objects from local elements.
Ford, JM   +6 more
core  

Efficient mesoscale hydrodynamics: multiparticle collision dynamics with massively parallel GPU acceleration

open access: yes, 2018
We present an efficient open-source implementation of the multiparticle collision dynamics (MPCD) algorithm that scales to run on hundreds of graphics processing units (GPUs).
Howard, Michael P.   +2 more
core   +1 more source

Evaluation of anatomical and visual function for early detection of ethambutol toxicity among tuberculosis patients [PDF]

open access: yes, 2017
AIM: To evaluate if early ethambutol toxicity can be detected by comparing pre - and post - treatment anatomical and visual function using retinal nerve fiber thickness, pattern visual evoked potentials and conventional optic nerve function tests ...
Mohd Noor, Raja Azmi   +5 more
core   +2 more sources

Investigation of Relationship of Stereoacuity with Retinal Nerve Fiber Layer Thickness and P100 Latency in Patients with Multiple Sclerosis with and Without Optic Neuritis

open access: yesTurkish Journal Of Neurology, 2022
Objective: It was aimed to investigate the relationship of stereoacuity with retinal nerve fiber layer thickness (RNFLT) and P100 latency in multiple sclerosis (MS) patients with and without optic neuritis (ON). Materials and Methods: Twenty-nine patients diagnosed with clinically definite MS with and without a history of ON were included in this ...
Belkıs Koçtekin   +5 more
openaire   +2 more sources

Neurophysiological functioning of occasional and heavy cannabis users during THC intoxication [PDF]

open access: yes, 2011
RATIONALE: Experienced cannabis users demonstrate tolerance to some of the impairing acute effects of cannabis. OBJECTIVES: The present study investigates whether event-related potentials (ERPs) differ between occasional and heavy cannabis users after ...
Eef L. Theunissen   +6 more
core   +1 more source

Prediction of Post-operative Visual Deterioration Using Visual-Evoked Potential Latency in Extended Endoscopic Endonasal Resection of Craniopharyngiomas

open access: yesFrontiers in Neurology, 2021
Background: The current study aimed to investigate the predictive value of visual-evoked potential (VEP) latency for post-operative visual deterioration in patients undergoing craniopharyngioma resection via extended endoscopic endonasal approach (EEEA ...
Xiaorong Tao   +8 more
doaj   +1 more source

Sensitivity of optical coherence tomography and visual evoked potential in demyelinating optic neuritis

open access: yesJournal of the Egyptian Ophthalmological Society, 2020
Aim The aim of this study is to analyze the structural and functional abnormalities of the optic nerve in multiple sclerosis (MS) patients utilizing optical coherence tomography (OCT) and visual evoked potential (VEP).
Youssef A.H Helmy   +3 more
doaj   +1 more source

Electro-physiological Changes in the Central Nervous System by Visual Evoked Potential in Diabetic Patients

open access: yesJournal of Nepal Health Research Council, 2023
Background: Increasing sedentary lifestyle in today’s world has increased the prevalence of Diabetes Mellitus. Loss of vision due to diabetic retinopathy is a major public health burden.
Neha Malla   +4 more
doaj   +1 more source

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