
	Where results make sense

Topic: Hermann grid illusion

Related Topics

Grid illusion

Optical illusion

Cafe wall illusion

Illusion

Poggendorf Illusion

Fraser spiral illusion

Moon illusion

Stereogram

Ames room

Necker cube illusion

Impossible trident illusion

Autostereogram

Missing square puzzle

Penrose staircase

Phi phenomenon

	Grid illusion -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-09-15)
		A grid illusion is any kind of (An electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube) grid (Something many people believe that is false) illusion that deceives a person's vision.
		The Scintillating grid illusion is an (An optical phenomenon that results in a false or deceptive visual impression) optical illusion when dots seem to appear and disappear at the intersections of two lines crossing each other vertically and diagonally.
		In the center of the receptive field, the receptors act excitatory on the resulting signal, and the receptors in the surrounding area act inhibitory on the signal.
	www.absoluteastronomy.com /encyclopedia/g/gr/grid_illusion.htm (381 words)

	Optical illusion - LearnThis.Info Enclyclopedia (Site not responding. Last check: 2007-09-15)
		An optical illusion is any illusion that deceives the human visual system into perceiving something that is not present or incorrectly perceiving what is present.
		Paradox illusions offer objects that are impossible or paradoxical, such as the Penrose triangle or impossible staircases seen, for example, in the work of M.
		Fiction illusions are the perception of objects that are genuinely not there to all but a single observer, such as those induced by schizophrenia or hallucinogenic drugs.
	encyclopedia.learnthis.info /o/op/optical_illusion.html (544 words)

	Encyclopedia article on Optical illusion [EncycloZine] (Site not responding. Last check: 2007-09-15)
		Square A is exactly the same shade of grey as square B. mirage is a natural illusion that is an optical phenomenon.
		Developed illusions include phenomena such as the Necker cube and the Scintillating/Hermann grid.
		Physiological illusions, such as the afterimages following bright lights or adapting stimuli of excessively longer alternating patterns (contingent perceptual aftereffect, CAE), are the effects on the eyes or brain of excessively longer stimulation of a specific type - brightness, tilt, colour, movement, and so on.
	encyclozine.com /Optical_illusion (621 words)

	Search Tuna Report for optical illusions (Site not responding. Last check: 2007-09-15)
		Optical Illusions: Optical Illusions Archive 4: Number 62...
		Brain Teasers - Optical Illusions I. Oscar Wilde Illusions I Optical Illusions I This Is Probably The Best-Known Optical Illusion Of All Times!...
		Optical Illusions Illusion Magic Tricks Funny Pictures Cartoons...
	www.searchtuna.com /ftlive2/2419.html (1022 words)

	Optical Illusions - free fun scary optical illusions 3d art images
		Optical Illusions - free fun scary optical illusions 3d art images
		Physiological illusions, such as the afterimages following bright lights or adapting stimuli of excessively longer alternating patterns (contingent perceptual aftereffect, CAE), are the effects on the eyes or brain of excessive stimulation of a specific type - brightness, tilt, colour, movement, and so on.
		Paradox illusions offer objects that are paradoxical or impossible, such as the Penrose triangle or impossible staircases seen, for example, in the work of M. Escher.
	www.optical-illusion.net (453 words)

Try your search on: Qwika (all wikis)