Visual evoked potentials (VEPs) to lateralized light flashes were recorded from the parietal midline, and from homologous occipital and central sites, in a GO/NOGO reaction time task. The N160 component of the VEP was found to be larger ... MD Rugg,CR Lines,AD Milner - 《Neuropsychologia...
You see these flashes of light because your eyes are actually sensitive to light, even when there is no source of light nearby. This ability is called “visual sensitivity to light.” When you’re in the dark, your eyes play tricks on you and make you see tiny flashes of light. These ...
7 Double-flash responses allow the isolation of cone responses from rod in both human macula (a) and periphery (b). Representative responses from human donor macular (a, black) and peripheral (b, red) punches to double-flash light stimuli to isolate cone responses. Light flashes are ...
alternating or sweeping flashes programmed at super-fast frequencies work best so oncoming cars spot us right away,” he said. “In crowded cities with more ambient light, I’ll use intense double- or quad-strobe patterns for maximal impact.” ...
studies using short flashes are not essential to understand the underlying effects. However, studies using minute long stimulation times differ in their evoked responses. A short light flash might not be sufficient to induce some adaptational mechanisms such as the protein translocations mentioned above...
Positive dysphotopsia (PD) is described by patients as glare, light streaks, light arcs, flashes of light, and starbursts produced by an external light source, whereas negative dysphotopsia (ND) is a dark temporal peripheral arc-shaped shadow or line [[1]]....
The second recording session was used to measure rod photoreceptor response recovery by varying the ISI between pairs of high-intensity (2.1 log cd s/m2) flashes that were presented in darkness (24). Six trials were run for each mouse, in which the ISI between the first (conditioning) flash...
want to engage the car’s voice commands, ID. Light responds in white in front of the speaking occupant. To help manage demands on the driver’s attention, incoming phone calls trigger a green flash in the center, and in case of an emergency braking event, ID. Light vividly flashes red...
For the light-adapted 3.0 ERG test we used a sequence of five single-flashes of white light (3.0 cd.s/m2) generated in a Ganzfeld stimulator against a light white background (30 cd/m2), with a stimulus rate of 0.625 Hz and a recording bandpass filter of 1–300 Hz. The resulting wa...
Baylor, D.A., Hodgkin, A.L.: Changes in time scale and sensitivity in turtle photoreceptors. J. Physiol. 242, 729–758 (1974) Baylor, D.A., Hodgkin, A.L., Lamb, T.D.: The electrical responses of turtle cones to flashes and steps of light. J. Physiol. 242, 685–727 (1974) ...