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Troxler's fading, also called Troxler fading or the Troxler effect, is an optical illusion affecting visual perception. When one fixates on a particular point for even a short period of time, an unchanging stimulus away from the fixation point will fade away and disappear.
For example, after staring at a computer screen and looking away, a vague afterimage of the screen remains in the visual field. A stimulus consistently produces the same afterimage , which is dependent on the stimulus intensity and contrast , the time of fixation , and the retinal adaptation state .
The psychic staring effect (sometimes called scopaesthesia) is the claimed extrasensory ability of a person to detect being stared at. The idea was first explored by psychologist Edward B. Titchener in 1898 after students in his junior classes reported being able to "feel" when somebody was looking at them, even though they could not see this ...
Despite the hype, a new study that suggests blue light-filtering glasses don't really do much of anything. Blue light glasses have 'virtually no effect' on eye strain caused by staring at a screen ...
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Itchy eyes can be harmless and caused by allergies or eye strain, but they could also be the result of a viral infection. Experts explain how to get relief. Staring At A Screen All Day Might Be ...
The autokinetic effect (also referred to as autokinesis and the autokinetic illusion) is a phenomenon of visual perception in which a stationary, small point of light in an otherwise dark or featureless environment appears to move. [1]
A staring contest is a game in which two people attempt to stare at each other for a longer period of time than their opponent can. The game ends when one participant blinks. There is a popular variation of the game in which the participants must also not smile, creating a physical as well as a psychological challenge. Most other variations ...