SSVEP-based visual acuity threshold estimation: linear extrapolation to noise level baseline with various noise definition criteria

X Zheng, X Wei, G Xu, R Zhang - Cognitive Neurodynamics, 2023 - Springer
This study aimed to explore the effect of various noise definition criteria in linear
extrapolation technique to noise level baseline on steady-state visual evoked potential …

Threshold determination criterion in steady-state visual evoked potential-based acuity assessment: a comparison of four common methods

X Zheng, G Xu, W Yan, R Liang, K Zhang, P Tian… - IEEE …, 2020 - ieeexplore.ieee.org
The steady-state visual evoked potential (SSVEP) visual acuity is usually defined by
extrapolating a straight line regressed through significant SSVEP amplitudes plotted versus …

Real-time, precise, rapid and objective visual acuity assessment by self-adaptive step SSVEPs

X Zheng, G Xu, C Du, W Yan, P Tian… - Journal of Neural …, 2021 - iopscience.iop.org
Objective. This study aimed to explore an online, real-time, and precise method to assess
steady-state visual evoked potential (SSVEP)-based visual acuity more rapidly and …

Enhancing Performance of Single-Channel SSVEP-Based Visual Acuity Assessment via Mode Decomposition

X Zheng, X Zhang, G Xu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This study aimed to improve the performance of single-channel steady-state visual evoked
potential (SSVEP)-based visual acuity assessment by mode decomposition methods. Using …

Enhancing performance of SSVEP-based visual acuity via spatial filtering

X Zheng, G Xu, C Han, P Tian, K Zhang… - Frontiers in …, 2021 - frontiersin.org
The purpose of this study was to enhance the performance of steady-state visual evoked
potential (SSVEP)-based visual acuity assessment with spatial filtering methods. Using the …

Conducting shorter VEP tests to estimate visual acuity via assessment of SNR

KK Iyer, AP Bradley, SJ Wilson - Documenta Ophthalmologica, 2013 - Springer
Introduction The estimation of visual acuity (VA) via visual evoked potentials (VEP) is a
valuable measure for all preverbal and non-verbal subjects whether adults or children. The …

Methods of visual acuity determination with the spatial frequency sweep visual evoked potential

WH Ridder - Documenta Ophthalmologica, 2004 - Springer
Purpose The spatial frequency sweep visual evoked potential (sVEP) is used to rapidly
determine visual acuity in children or non-responsive patients. Two techniques have been …

Comparison of the performance of six stimulus paradigms in visual acuity assessment based on steady-state visual evoked potentials

X Zheng, G Xu, Y Wu, Y Wang, C Du, Y Wu… - Documenta …, 2020 - Springer
Purpose There are several stimulus paradigms used in objective visual acuity assessment
based on steady-state visual evoked potentials (SSVEPs). The aim of this study was to …

Does Oblique Effect Affect SSVEP-Based Visual Acuity Assessment?

X Zheng, G Xu, Y Du, H Li, C Han, P Tian, Z Li… - Frontiers in …, 2022 - frontiersin.org
This study aimed to explore whether there was an effect on steady-state visual evoked
potential (SSVEP) visual acuity assessment from the oblique effect or the stimulus …

Laplacian reference is optimal for steady-state visual-evoked potentials

Y Zhang, M Valsecchi… - Journal of …, 2023 - journals.physiology.org
Steady-state visual-evoked potentials (SSVEPs) are widely used in human neuroscience
studies and applications such as brain-computer interfaces (BCIs). Surprisingly, no previous …