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A perceptual paradox illustrates the failure of a theoretical prediction. Theories of perception are supposed to help a researcher predict what will be perceived when senses are stimulated. A theory usually comprises a mathematical model (formula), rules for collecting physical measurements for input into the model, and rules for collecting physical measurements to which model outputs should map. When arbitrarily choosing valid input data, the model should reliably generate output data that is indistinguishable from that which is measured in the system being modeled. Although each theory may be useful for some limited predictions, theories of vision, hearing, touch, smell, and taste are not typically reliable for comprehensive modeling of perception based on sensory inputs. A paradox illustrates where a theoretical prediction fails. Sometimes, even in the absence of a predictive theory, the characteristics of perception seem nonsensical. This page lists some paradoxes and seemingly impossible properties of perception. When an animal is not named in connection with the discussion, human perception should be assumed since the majority of perceptual research data applies to humans. == Terminology == ; light: Normal white sunlight is black-body radiation containing a broad and largely featureless spectrum covering the entire range of human vision. ; light: Televisions and computer screens ''fool'' the eye by generating photons of three narrow wavelength bands where the proportion of photons from industry standard (but improperly named) R ''(red)'', G ''(green)'', and B ''(blue)'' sources is known to be perceived as white. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Perceptual paradox」の詳細全文を読む スポンサード リンク
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