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Visual hallucinations are common symptoms of seizures affecting primary and association cortices, and can provide vital information about the ictal onset zone. Epileptic kinetopsia, defined as illusionary movement of stationary objects in the visual field, was reported in a patient with a tumor in the temporal-parietal-occipital (TPO) junction. Intracranial stimulation of TPO junction did not evoke kinetopsia and the site of onset of this phenomenon is unknown.1 We describe a patient with ictal kinetopsia whose seizure onset zone was localized with intracranial EEG.
Footnotes
Supplemental data at Neurology.org
Author contributions: M.B. Perumal: conceptualization, interpretation, and preparation of manuscript. S. Chinnasami: conceptualization, data collection, interpretation of investigations, and preparation of manuscript. Dr. Shah: clinical assessments and preparation of manuscripts. Dr. Rodionov: data collection, brain image reconstruction, and analysis. V. Maglajlija: EEG data collection, analysis, and reporting. Dr. Miserocchi: intracranial placement of electrodes, clinical assessment, and data collection. Dr. McEvoy: intracranial placement of electrodes, investigations, and interpretation of data. Dr. Wehner: conceptualization, interpretation of data, and review of manuscript. Dr. Diehl: conceptualization, clinical assessment, interpretation of investigations, and review of manuscript.
Study funding: This work was undertaken at UCLH/UCL, which receives a proportion of funding from the Department of Health's NIHR Biomedical Research Centres funding scheme.
Disclosure: The authors report no disclosures relevant to the manuscript. Go to Neurology.org for full disclosures.
- Received December 12, 2013.
- Accepted in final form April 16, 2014.
- © 2014 American Academy of Neurology
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