Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2009-5-15
pubmed:abstractText
Polyopia is the visual perception of multiple images even after removal of an object from the visual field. The appearance of many of the same images while watching a single object is called palinopsia, which is a phenomenon distinct from polyopia. Different types of these phenomena have been ascribed to latency of perseveration, but direct evidence is lacking. We describe a patient with occipital lobe epilepsy who presented with both polyopia and palinopsia. We found that visual perseveration was related to the extent of movement of the original object and that the shape of the object changed in response to stimulation with another object. Palinopsia after the visual stimulus can be superimposed on the background picture, leading to polyopia. That polyopia and palinopsia are distinct phenomena is correct, but they seemed to be related. Both phenomena occurred in the same patient and share an epileptic mechanism. In our patient, visual perseveration was part of an epileptic aura, developed when either the object or the patient moved, and diminished with gabapentin.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1525-5069
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
14
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
684-6
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Cerebral polyopia and palinopsia in a patient with occipital lobe epilepsy.
pubmed:affiliation
Department of Neurology, Nara Medical University, Kashihara, Nara, Japan. hk55@naramed-u.ac.jp
pubmed:publicationType
Journal Article