Originally Posted by Thready
I realize we don't see in frames but if we did it would be ~30 +/- 15. the decoding is the slowest part of perception. a 60 Hz monitor running at 60Hz is the maximum that we can see. this argument even came up at school because people are so passionate. if I would have told you that we all have the same threshold for sound, most people would accept that. but because we live primarily through our eyes then people try to outsmart the brain. but this discussion is about 4K at 60fps
1) The human eye doesn't perceive motion on the scale of Hz/fps/whatever-the-heck-you-want-to-call-it. The human eye tracks objects within its FOV, and sends the electrical impulses that have been triggered by our rods/cones through the optic nerve into your visual cortex, where your brain essentially decodes that electrical impulse, which is what you perceive as sight, where the impulses that are sent by cones provide color information to your brain, and the rods provide provide an actual image and track motion.
2) I don't think you fundamentally understand what a Hz i. Hz is the measure of one cycle per second (although it has been associated with other time measurements than seconds). For a 60 Hz monitor, your monitor refreshes 60 times within a second. For 120Hz, 120 refreshes within a second. Your monitor isn't displaying motion like you see in real life. You are seeing still images that are rendered to your monitor extremely fast. And your brain takes those images, and perceives it as motion. That is the process known as interpolation. Interpolation is the process of taking what is known, and creating data to fill in the gaps. That is what your brain functions to perceive something that is normally still, as something in motion. There is utterly no hard upper limit to this process, although some say that the minimum rate to see something in motion is 10-15 fps (+/-2).
3) Decoding. I honestly don't think you understand how fast information is moving in your brain. Your neural pathways transmit electrical impulses @ ~100 meters per second. The distance from your optic nerves (of which there are over a million optic nerves capable of transmitting electrical impulses to your brain) to your brain is about 2-3cm (+/- 1cm). Probably even less to be honest, as no one has actually taken a proper averaged measurement.
4) Back to Hz/fps. Frames per second, is just that. How many frames are drawn within a second. Or a Hz. They are intrinsically similar, but not the same. You can have a 120Hz monitor running at 60 frames per second. That means that although your monitor is refreshing the image shown on the display every 8.33ms, your frame is staying up within two refreshes cycles. That means that information is being updated to your brain every 16.6ms, rather than 8.33ms. On a 120Hz monitor, displaying at 120 fps, your brain will be receiving a refresh of information every 8.33ms. That leads to your brain not having to guess as much as to what is happening during the time of each refresh. You are quite literally being fed more information. Because your brain is guessing less when trying to piece together what we call motion off those still frames, you perceive less blur (motion blur in this case), and visually, the image is smoother. Why? Because you are receiving more information.
5) Threshold for sound: No. Every human being has a different sound threshold to begin with. Not a single human being is the same. Yes, there is a defined, but not concrete minima of your auditory threshold at about 12Hz. And a defined, but not concrete maxima of about 20KHz.
Put it this way. Right now, I fear for anyone who would actually go to you for any therapy, because you haven't taken the time to understand fundamentals of how we, as humans, operate.
There is no limit. There will be no limit. Because no single person is the same.
And yes, I've now classified you as bad as Arxontas. Because the only reason I'm even arguing this with you is because I don't want someone on Google to search up this topic, find this thread, and receive wrong information. Because you are so unbelievably wrong. And I get really ticked off at how thick headed some people are because they refuse to do any research on the subject. And for the love of it, you are in a STEM field. Which means you should actually be taking the time to research before you post.
Edited by Kinaesthetic - 3/28/14 at 9:25am