Examlex
Positron-emission tomography is a method for analyzing biochemical activity in the brain,using injections of a glucose-like substance containing a radioactive element.
Revision
The process of modifying, editing, or reorganizing written or verbal material to make it more accurate, comprehensible, or appropriate.
Muller-Lyer
An optical illusion involving two lines of equal length, each with opposite shaped ends, causing one to appear longer than the other.
Ponzo Illusion
A visual illusion where two horizontal lines of identical length appear to be of different lengths due to their contextual positioning within converging parallel lines.
Geometrical Illusions
Optical illusions that involve the misperception of the basic geometric characteristics such as size, shape, position, or curvature of visually perceived objects.
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