Biomaterial Database

Quantification of the Müller-Lyer illusion using signal detection theory. 1988

B A Lown

State University College, Buffalo, NY.

An experiment was done to investigate the use of signal-detection theory in quantifying the magnitude of the Müller-Lyer Illusion. The results showed a d' of 2.5 for the illusion. Some implications of this approach are discussed.

UI	MeSH Term	Description	Entries
D007088	Illusions	The misinterpretation of a real external, sensory experience.	Autokinetic Effect,Autokinetic Illusions,Effect, Autokinetic,Illusions, Auditory,Illusions, Kinesthetic,Illusions, Tactile,Illusions, Visual,Auditory Illusion,Auditory Illusions,Autokinetic Effects,Autokinetic Illusion,Effects, Autokinetic,Illusion,Illusion, Auditory,Illusion, Autokinetic,Illusion, Kinesthetic,Illusion, Tactile,Illusion, Visual,Illusions, Autokinetic,Kinesthetic Illusion,Kinesthetic Illusions,Tactile Illusion,Tactile Illusions,Visual Illusion,Visual Illusions
D009903	Optical Illusions	An illusion of vision usually affecting spatial relations.	Illusion, Optical,Illusions, Optical,Optical Illusion
D011601	Psychophysics	The science dealing with the correlation of the physical characteristics of a stimulus, e.g., frequency or intensity, with the response to the stimulus, in order to assess the psychologic factors involved in the relationship.	Psychophysic
D003657	Decision Making	The process of making a selective intellectual judgment when presented with several complex alternatives consisting of several variables, and usually defining a course of action or an idea.	Credit Assignment,Assignment, Credit,Assignments, Credit,Credit Assignments
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012858	Size Perception	The sensory interpretation of the dimensions of objects.	Perception, Size,Perceptions, Size,Size Perceptions