- illusory splitting
- Also known as illusory vertical splitting. Both terms are used to denote a visual distortion consisting of a vertical splitting of objects, often accompanied by a vertical displacement of the two parts along the fracture line. Illusory splitting is reported largely in the context of "migraine aurae. While this type of splitting features in some of the famous paintings of women's faces by the Spanish painter Pablo Ruiz Picasso (18811973), it has been suggested that Picasso may have experienced illusory splitting himself, possibly in the context of "migraine aura without headache. Illusory splitting is commonly classified as a "metamorphopsia, which is itself classified as a "sensory distortion.ReferencesPodoll, K., Robinson, D. (2000). Mosaic illusion as visual aura symptom in migraine. Neurology, Psychiatry and Brain Research, 8,181-184.Podoll, K., Robinson, D. (2002). Splitting of the body image as somesthetic aura symptom in migraine. Cephalalgia, 22, 62-65.
Dictionary of Hallucinations. J.D. Blom. 2010.
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splitting of the body image — A term used to denote a rare type of somaesthetic aura that is characterized by the sensation of one s own body being split in two. The affected individual typically perceives his or her body (or head) as being split down the middle, into two… … Dictionary of Hallucinations
illusory vertical splitting — see illusory splitting … Dictionary of Hallucinations
metamorphopsia — The term metamorphopsia comes from the Greek words metamorphoun (to change the form) and opsis (seeing). It translates roughly as seeing an altered form . It is not clear who introduced the term, but it appears in a medical lexicon as early as … Dictionary of Hallucinations
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