نتایج جستجو برای: visual evoked potentials
تعداد نتایج: 483133 فیلتر نتایج به سال:
Visual information is fundamental to how we appreciate our environment and interact with others. The visual evoked potential (VEP) is among those evoked potentials that are the bioelectric signals generated in the striate and extrastriate cortex when the retina is stimulated with light which can be recorded from the scalp electrodes. In the current paper, we provide an overview of the various m...
PURPOSE Little is known about the physiological mechanisms underlying the reported therapeutic effects of transorbital alternating current stimulation (ACS) in vision restoration, or the origin of the recorded electrically evoked potentials (EEPs) during such stimulation. We examined the issue of EEP origin and electrode configuration for transorbital ACS and characterized the physiological res...
We re-examined 21 patients with suspected multiple sclerosis, seven classified as probable and 14 as possible cases. At the first investigation all patients but two had abnormal visual evoked potentials and somatosensory evoked potentials, or both. All but three had an increased intracerebral production of immunoglobulin G expressed by the cerebrospinal fluid IgG index. At follow-up two to four...
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