formed visual hallucination

Dictionary of Hallucinations. . 2010.

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  • visual hallucination —    Also referred to as vision. Both terms are indebted to the Latin noun visio, which means sight. They are used to denote a hallucination of sight. Historically, visual hallucinations have been divided into a multitude of types. Using their… …   Dictionary of Hallucinations

  • formed hallucination —    Also known as formed visual hallucination, formed vision, organized hallucination, and morphopsia. All five terms are used to denote a visual hallucination depicting a distinctive shape, pattern, object, or scene. Thus the category of formed… …   Dictionary of Hallucinations

  • hallucination — The apparent, often strong subjective perception of an object or event when no such stimulus or situation is present; may be visual, auditory, olfactory, gustatory, or …   Medical dictionary

  • geometric hallucination —    Also known as geometrical hallucination, geometric visual hallucination, and optogeometric illusion. All four terms can be traced to the Greek noun geometria, which means land surveying. They are used to denote a * formed visual hallucination… …   Dictionary of Hallucinations

  • television-induced hallucination —    The notion of television induced hallucination refers to a type of hallucination uniquely provoked by television viewing. This type of hallucination is believed to be extremely rare. The first case report of hallucinations co occurring with… …   Dictionary of Hallucinations

  • unformed hallucination —    Also known as unformed visual hallucination and unformed vision. All three terms are used to denote a visual hallucination depicting an amorphous shape or image. The term unformed hallucination derives from a classification of hallucinations… …   Dictionary of Hallucinations

  • hemianopic hallucination —    Also known as hemianoptic hallucination, hemi anoptic optical hallucination, hemiopic hallucination, hemioptic hallucination, and hemihallucination. The term hemianopic hallucination is indebted to the Greek words hèmi (half), an (not), and… …   Dictionary of Hallucinations

  • simple hallucination —    Also referred to as elementary hallucination. Both terms are used to denote a hallucination of the lowest degree of complexity. In the auditory modality, simple hallucinations are known as * akoasms. Common examples of akoasms are clicking… …   Dictionary of Hallucinations

  • morphopsia —    The term morphopsia comes from the Greek words morphè (form) and opsis (seeing). It is used in a restricted sense to denote a multicoloured *complex visual hallucination with *microptic or * macroptic aspects. Pathophysiologically, this type… …   Dictionary of Hallucinations

  • autoscopy — ȯˈtäskəpē noun ( es) Etymology: International Scientific Vocabulary aut + scopy; probably originally formed as German autoskopie : visual hallucination of one s body image * * * autoscopy /ö toˈskə pi/ (psychology) noun Hallucination of an image …   Useful english dictionary

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