Previous research determined that eyeballs fix their gaze on a particular spot for one third to a couple of seconds; in between glances they dart around for up to 50 milliseconds. During this shift in attention vision is suppressed and a patch of momentary blindness occurs. Get smart. Sign up for our email newsletter. Sign Up. Support science journalism. Knowledge awaits. See Subscription Options Already a subscriber?
Create Account See Subscription Options. Continue reading with a Scientific American subscription. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent.
You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience. Necessary Necessary. Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information. He believes the intermittent eye movements have evolutionary roots with the prime instincts of animals, including humans being to continually survey the surrounding landscape for food or danger and when they find what they are looking for they focus on it.
October 13, Over 0. October 14, Provincial, federal govt agencies join hands on emergency basis to help affected people: DC. Top Stories.
0コメント