Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"visual evoked potential (VEP)"”.
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Visual Evoked Potential Measures of Blur Adaptation
… blur effects through the measurement of the visual evoked potential (VEP). VEP measurements were taken over time as subjects were exposed to a reversing sine-wave grating both with blur and with blur adaptation. The VEP measurement gave insight about the visual acuity, which can be used to …
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Pattern Reversal Chromatic VEPs like Onsets, are unaffected by Attentional Demand
Attention has been shown to modulate the visual evoked potential (VEP) recorded to reversing achromatic patterns. However, the chromatic onset VEP appears to be robust to attentional shifts. Functional magnetic resonance imaging (fMRI) responses to both chromatic and achromatic reversing patterns …
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Signal identification for visual electrophysiological recordings. A comparison of signal analysis techniques and their application to clinical electrophysiology of vision.
… the use of objective methods for the analysis of visual electrophysiological recordings. Specifically can signal identification algorithms identify electrophysiological signals and can they be applied to improve clinical testing and analysis? Methods: Automated signal identification algorithms …
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Contrast adaptation reveals increased organizational complexity of chromatic processing in the visual evoked potential
… directions in color space. The chromatic visual evoked potential (crVEP) has demonstrated chromatic processing selective for cardinal axes of color space. However, crVEP evidence for higher-order color mechanisms is lacking. The present study aimed to assess the contribution of lower and …
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Top-down Modulation of the Chromatic VEP with Hypnotic Suggestion
AbstractVisual perception is composed of both bottom-up (stimulus driven) and top-down (feedback) processes. It has been demonstrated that directed spatial attention enhances processing of attended stimuli, inhibits non-attended stimuli, and increases baseline activity in portions of cortex …