Synonyms
Visual perseveration
Definition
One of the varieties of metamorphopsias in which a visual image either persists or recurs even after the original stimulus is no longer present. The image of the object may subsequently become superimposed upon a current visual image or scene. While this persistence of a previous image usually lasts for a period of minutes, it may recur hours or even days later. As is true of the other metamorphopsias, this phenomenon is most commonly associated with parietal-occipital or temporal-occipital lesions, seizures, and toxic or metabolic disorders.
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References and Readings
Hecaen, H., & Albert, M. L. (1978). Human neuropsychology (pp. 144–152). New York: Wiley.
Heilman, K. M., & Valenstein, E. (2003). Clinical neuropsychology (4th ed., p. 488). New York: Oxford University Press.
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Donnelly, K. (2018). Palinopsia. In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-57111-9_764
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DOI: https://doi.org/10.1007/978-3-319-57111-9_764
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