illusion — Formerly known as illusio, fallacia, and idolum. The term illusion comes from the Latin verb illudere, which means to mock, to delude, to tempt. It is unknown when and by whom the term was introduced, but it has been in use since ancient times … Dictionary of Hallucinations
Illusion — An illusion is a distortion of the senses, revealing how the brain normally organizes and interprets sensory stimulation. While illusions distort reality, they are generally shared by most people. [ Solso, R. L. (2001). Cognitive psychology (6th… … Wikipedia
visual illusion — Also known as optical illusion. Both terms are commonly used to denote a visual percept that has its basis in a stimulus derivative of the extra corporeal environment (also referred to as a point de repère) which is either misperceived or… … Dictionary of Hallucinations
moon illusion — Also known as Moon size illusion and horizon illusion. All three terms refer to the Moon s apparently increased size when it approaches the horizon, in comparison with its perceived size when it is in the zenith. The ratio of this apparent… … Dictionary of Hallucinations
waterfall illusion — Also known as waterfall effect and waterfall phenomenon. All three terms refer to a variant of the * motion aftereffect characterized by an optical *illusion of upward motion in stationary objects. The term waterfall illusion was coined in or… … Dictionary of Hallucinations
Müller-Lyer illusion — Also known as arrowhead illusion. The eponym Müller Lyer illusion refers to the German sociologist Franz Carl Müller Lyer (1857 1916), who described the concomitant phenomenon in or shortly before 1889. This phenomenon consists of a *… … Dictionary of Hallucinations
sun illusion — The term Sun illusion is used to denote the apparent increase in the size of the Sun as observed above the horizon, in comparison with the way it appears in the zenith. The Sun illusion, which is commonly classified as a * celestial illusion,… … Dictionary of Hallucinations
Aristotle's illusion — The eponym Aristotle s illusion refers to the Greek philosopher Aristotle (384 322 BC), who appears to have been the first to describe the concomitant phenomenon in his books On dreams, Metaphysics,andProblems. The expression Aristotle s… … Dictionary of Hallucinations
Charpentier's illusion — Also known as size weight illusion and *Demoor s sign. The eponym Charpentier s illusion refers to the French ophthalmologist and physiologist Augustin Charpentier (18521916), who has been credited with being the first to describe the… … Dictionary of Hallucinations
cognitive illusion — Also known as strategy illusion and perceptual illusion. The term cognitive illusion is indebted to the Latin noun cognoscere, which means to learn or to scrutinize. It refers to an * illusion arising as a consequence of unconscious inferences … Dictionary of Hallucinations
