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I'm not sure of the engish term but I think it's retinal persistence. the problem is that the eye has not the same refresh rate on all it's surface. I got sensitive eyes and that's why I'm very picky about refresh rates. i need 80Hz to feel comfortable when looking at the screen. any lower i can see it flash.
Good question. The bottleneck in consciously seeing flicker is not necessarily the human eye or even the thalamus or the cortex. The eye can transmit flicker well above 60 Hz to the thalamus and cortex. Lots of neurons can fire well above 100 Hz.And we can even measure neural response to high frequency flicker.ood question. The bottleneck in consciously seeing flicker is not necessarily the human eye or even the thalamus or the cortex. The eye can transmit flicker well above 60 Hz to the thalamus and cortex. Lots of neurons can fire well above 100 Hz.