effect of illusion
81elevator illusion — An abrupt upward vertical acceleration, usually by an updraft (as can occur in a helicopter), can shift vision downward (the visual scene moves upward) by excessively stimulating the sensory organs. In gravity and linear acceleration, this can… …
82Doppler effect — Also known as Doppler shift. Both eponyms refer to the Austrian mathematician and physicist Christian Andreas Doppler (1803 1853), who first described the effect in or shortly before 1842. In perceptual neuroscience, they are used to denote an …
83runway and terrain slopes illusion — An illusion caused by an up sloping runway, up sloping terrain, or both during an approach for landing. The pilot perceives that the aircraft is at a higher altitude than it actually is and thus tends to fly a lower approach. A down sloping… …
84Purkinje effect — Also known as Purkinje shift. Both eponyms refer to the Bohemian physiologist Johannes Evan gelista Purkyne (1787 1869). They are used to denote the physiological phenomenon that at dusk, when the light intensity gradually decreases, the… …
85Social effect of evolutionary theory — The social effects of evolutionary thought have been considerable. As the scientific explanation of life s diversity has developed, it has often displaced alternative, sometimes very widely held, explanations. Because the theory of evolution… …
86autokinetic effect — Psychol. apparent motion of a single point of light or a small object when presented on a dark field and observed continuously. Also called autokinetic illusion. [1930 35] * * * ▪ psychology illusory movement of a single still object,… …
87autokinetic illusion — see autokinetic effect …
88Cornsweet illusion — see Cornsweet effect …
89Craik-Cornsweet illusion — see Cornsweet effect …
90Craik-O'Brien-Cornsweet illusion — see Cornsweet effect …
