polyopia — Also known as polyopsia. Both terms stem from the Greek words polus (much, many) and opsis (seeing). They refer to the perception of an image that repeats itself within the visual field. The ensuing coexistence of various similar images within … Dictionary of Hallucinations
imaginal polyopia — The term imaginal polyopia is indebted to the Latin verb imaginari (to copy, to imitate, to picture) and the Greek words polus (much, many) and opsis (seeing). It was introduced in or shortly before 1928 by the German American biological… … Dictionary of Hallucinations
objective polyopia — The term objective polyopia was introduced in or shortly before 1928 by the German American biological psychologist and philosopher Heinrich Klüver (1897 1979) to denote the perception of multiple identical images in regular visual perception… … Dictionary of Hallucinations
cocaine hallucinosis — The term cocaine hallucinosis refers to the various hallucinatory phenomena associated with the chronic use of cocaine (as in a cocaine run or cocaine binge , which are both characterized by the prolonged consumption of high doses of cocaine) … Dictionary of Hallucinations
corona phenomenon — The term corona phenomenon is indebted to the Latin noun corona, which means crown. It was introduced in or shortly before 1966 by the Danish neuroscientists Axel Klee (1933 1982?) and Rolf Willanger to denote a *visual illusion consisting of… … Dictionary of Hallucinations
multiplication — The term multiplication comes from the Latin verb multiplicare, which means to multiply or to duplicate. It is used to denote the presence of multiple identical images in * visual hallucinations. Multiplication is a characteristic feature of a … Dictionary of Hallucinations
palinopsia — Also referred to as pseudodiplopia. The term palinopsia comes from the Greek words palin (again) and opsis (seeing). It translates as seeing again or seeing multiple identical copies . The original term for this group of visual phenomena was * … Dictionary of Hallucinations
