City Pedia Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Adaptation (eye) - Wikipedia

    en.wikipedia.org/wiki/Adaptation_(eye)

    Adaptation (eye) In visual physiology, adaptation is the ability of the retina of the eye to adjust to various levels of light. Natural night vision, or scotopic vision, is the ability to see under low-light conditions. In humans, rod cells are exclusively responsible for night vision as cone cells are only able to function at higher ...

  3. Change blindness - Wikipedia

    en.wikipedia.org/wiki/Change_blindness

    Change blindness. Example of images that can be used in a change blindness task. Although similar, the two images have a number of differences. Change blindness is a perceptual phenomenon that occurs when a change in a visual stimulus is introduced and the observer does not notice it. For example, observers often fail to notice major ...

  4. Biological effects of high-energy visible light - Wikipedia

    en.wikipedia.org/wiki/Biological_effects_of_high...

    Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.

  5. 4 myths about learning after 65 — busted! - AOL

    www.aol.com/lifestyle/4-myths-learning-65-busted...

    Myth #1: Your brain stops growing at a certain age. Scientists used to think that the brain stopped developing after adolescence. But we now know that your brain can change and develop at any age ...

  6. Chronostasis - Wikipedia

    en.wikipedia.org/wiki/Chronostasis

    Chronostasis (from Greek χρόνος, chrónos, 'time' and στάσις, stásis, 'standing') is a type of temporal illusion in which the first impression following the introduction of a new event or task-demand to the brain can appear to be extended in time. [ 1] For example, chronostasis temporarily occurs when fixating on a target stimulus ...

  7. Does staring at screens ruin your eyes? - AOL

    www.aol.com/article/2014/02/27/does-staring-at...

    We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...

  8. Sports and activities that improve hand-eye ... - AOL

    www.aol.com/sports-activities-improve-hand-eye...

    When you’re not up to getting too physical, there are other ways to give your hand-eye coordination a boost. Here are some options: Bouncing a ball. Playing catch. Playing video games. Learning ...

  9. Flicker fusion threshold - Wikipedia

    en.wikipedia.org/wiki/Flicker_fusion_threshold

    The flicker fusion threshold, also known as critical flicker frequency or flicker fusion rate, is the frequency at which a flickering light appears steady to the average human observer. It is a concept studied in vision science, more specifically in the psychophysics of visual perception. A traditional term for "flicker fusion" is "persistence ...