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A multimedia museum of optical and sensory illusions, with on-line demonstrations and explanations.
The Blanking Phenomenon and its Psychoanatomical Implications
J J McAnany and M W Levine of the Department of Psychology, University of Illinois at Chicago provides information on this visual illusion. [PDF]
The Manifold of Sense
A survey of the discourse regarding emotions, sensations, and an attempt at producing an integrative approach to sensation and perception.
A family-friendly collection of tactile illusions, mental deceptions, optical tricks, brain puzzlers, and feeling games to play on the self.
Neuroscience and psychology tricks discussed and perhaps explained. Companion site to the "Mind Hacks" book by Tom Stafford and Matt Webb.
The Moon Illusion Explained
A relatively new theory is offered for the classic illusion that the moon's constant subtended visual angle of half a degree appears larger for the horizon moon than for the zenith moon.
Neuhoff, John - Auditory Perception Research
Electronic reprints of relevant publications on pitch, loudness, localization, and auditory display. (College of Wooster, USA)
The Noh Mask Effect
Demonstrates illusory facial expression perception with Japanese Noh masks. Links to publications about the effect.
Optical Illusions by Psych ARTS
We think we perceive objective reality, but perception is always altered by invisible biases. We are never free of the state-dependent bias, and so we are continually taken in by an illusion.
The Poggendorff Illusion
A study attributing the illusion to summed effects of cardinal axes in the observer's field of view and of salient axes in the figures.
Sensation and Perception Tutorials
A small collection of tutorials and demonstrations in sensation and perception.
Some Visual Illusions
This site shows a range of common visual illusions along with a brief explanation of why they occur. It was originally prepared to show at a children's primary school as part of their study of sensory processing.
Visual Science Group: University of Helsinki
Research at the Department of Psychology, is focused on human visual processing using psychophysical methods.
Matthew Luckiesh's book of this title, published in 1922, was the first scientific explanation of optical illusions to be published.
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