True pattern-reversal LED stimulator and its comparison to LCD and CRT displays: visual evoked potential study [PDF]
Scientific ReportsA rapid checkerboard pattern change is used to elicit pattern-reversal visual evoked potentials (PR VEPs). CRT or LCD monitors do not allow immediate reversal of the entire pattern.
P. Voda +4 more
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Low-contrast Pattern-reversal Visual Evoked Potential in Different Spatial Frequencies [PDF]
Journal of Ophthalmic & Vision Research, 2020 Purpose: To evaluate the pattern-reversal visual evoked potential (PRVEP) in low-contrast, spatial frequencies in time, frequency, and time-frequency domains. Methods: PRVEP was performed in 31 normal eyes, according to the International Society of
Homa Hassankarimi +3 more
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The Effects of an Ocular Direct Electrical Stimulation on Pattern-Reversal Electroretinogram [PDF]
Frontiers in Neuroscience, 2020 Studies on transcranial current stimulation have shown that a direct current stimulation of the occipital cortex can influence the amplitude size of a visual evoked potential (VEP).
Maren-Christina Blum +3 more
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Stratospheric precursor induces wintertime phase reversal of the “warm Arctic-cold Eurasia” pattern [PDF]
Nature CommunicationsRapid Arctic warming has reached 2–4 times the global average, contrasting with the cooling trend in mid-high latitude Eurasia during the 1990s–2010s. A notable phenomenon of the “warm Arctic-cold Eurasia” (WACE) pattern is its frequent phase reversal ...
Yijia Zhang +4 more
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Influence of visual angle on pattern reversal visual evoked potentials
Oman 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
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Pattern-reversal visual evoked potentials in prosthetic vision and simulated visual reduction [PDF]
BMJ Open OphthalmologyObjective To quantitatively evaluate visual evoked potentials (VEPs) in prosthetic vision and simulated visual reduction.Methods and analysis Four blind patients implanted with the Argus II retinal prosthesis and seven sighted controls participated. VEPs
Sandra R Montezuma +3 more
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Journal of Ophthalmic & Vision Research, 2023 Purpose: Assessment of the pattern visual evoked potential (PVEP) responses in different areas of visual fields in individuals with normal vision. Methods: This study was conducted on 80 eyes of normal subjects aged 18–35 years.
Leila Mirzaee Saba +8 more
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IEEE Open Journal of Antennas and Propagation, 2022 The pattern reconfigurable antenna provides a new implementation scheme for expanding application in modern wireless communications. In this paper, a pattern-reversal wideband microstrip antenna is proposed.
Yu Liu +6 more
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Correlation of pattern reversal visual evoked potential parameters with the pattern standard deviation in primary open angle glaucoma [PDF]
International Journal of Ophthalmology, 2014 AIM:To evaluate whether glaucomatous visual field defect particularly the pattern standard deviation (PSD) of Humphrey visual field could be associated with visual evoked potential (VEP) parameters of patients having primary open angle glaucoma (POAG ...
Ruchi Kothari +4 more
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Visual Evoked Potentials: Normative Values and Gender Differences [PDF]
Journal of Clinical and Diagnostic Research, 2015 Introduction: Visual evoked potentials (VEP) are used to assess the visual pathways through the optic nerves and brain. A normal VEP response to a pattern-reversal stimulus is a positive mid occipital peak that occurs at a mean latency of 100 ms. VEP
RUBY SHARMA +3 more
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