While attention to external visual stimuli has been extensively studied, attention directed internally towards mental contents (e.g., thoughts, memories) or bodily signals (e.g., breathing, heartbeat) has only recently become a subject of increased ...
Lior Kritzman +5 more
doaj +1 more source
Correlation of pattern reversal visual evoked potential parameters with the pattern standard deviation in primary open angle glaucoma [PDF]
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 ...
Pradeep Bokariya +4 more
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Decomposition of evoked potentials using peak detection and the discrete wavelet transform [PDF]
A new method of viewing evoked potential data is described. This method, called the peak detection method, is based on singularity detection using the discrete wavelet transform.
Cosic, I, Kumar, D, McCooey, C
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Characteristics of Visual Evoked Potential in Different Parts of Visual Impairment
ObjectiveTo study the quantitative and qualitative differences of visual evoked potential (VEP) in monocular visual impairment after different parts of visual pathway injury.MethodsA total of 91 subjects with monocular visual impairment caused by trauma ...
DAI Ding-kun +4 more
doaj +1 more source
Adaptive neural network filter for visual evoked potential estimation [PDF]
The authors describe a new approach to enhance the signal-to-noise-ratio (SNR) of visual evoked potential (VEP) based on an adaptive neural network filter. Neural networks are usually used in an nonadaptive way.
Chan, FHY +4 more
core +1 more source
Analogue mouse pointer control via an online steady state visual evoked potential (SSVEP) brain-computer interface [PDF]
The steady state visual evoked protocol has recently become a popular paradigm in brain–computer interface (BCI) applications. Typically (regardless of function) these applications offer the user a binary selection of targets that perform correspondingly
John J Wilson +8 more
core +1 more source
Pattern visual evoked potentials in dyslexic versus normal children
Purpose: Presence of neurophysiological abnormalities in dyslexia has been a conflicting issue. This study was performed to evaluate the role of sensory visual deficits in the pathogenesis of dyslexia.
Javad Heravian +7 more
doaj +1 more source
Neural correlates of subjective timing precision and confidence [PDF]
Humans perceptual judgments are imprecise, as repeated exposures to the same physical stimulation (e.g. audio-visual inputs separated by a constant temporal offset) can result in different decisions. Moreover, there can be marked individual differences –
Arnold, D. H., Hohaia, W., Yarrow, K.
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Test for Vigabatrin-Induced Field Defects in Children
A visual-evoked potential (VEP) technique for identifying visual field defects in children with epilepsy treated with vigabatrin has been developed at Aston University, Birmingham, and Cardiff University, UK.
J Gordon Millichap
doaj +1 more source
Theta oscillations in visual cortex emerge with experience to convey expected reward time and experienced reward rate [PDF]
The primary visual cortex (V1) is widely regarded as faithfully conveying the physical properties of visual stimuli. Thus, experience-induced changes in V1 are often interpreted as improving visual perception (i.e., perceptual learning). Here we describe
Hussain Shuler, Marshall G. +1 more
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