The technologies by using computer to represent properties of the visual system which include illumination, brightness, and contrast ; temporal integration and flicker ;

通过使用计算机来表示视觉系统如下物性的有关技术：照明度、亮度、对比度、临时合成的闪烁；

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Among the non-epileptic children, brain activity in an area called the cortex increased when the contrast in the flicker was 20% - the difference between grey and white.

BBC: Scientists probe cartoon seizures