In a report published this week, Australian doctors describe three individuals who suffered epileptic seizures induced by toothbrushing.
Imaging studies revealed small lesions in a region of the brain close to the hand and speech motor areas in all three individuals.
"The rhythmic act of brushing teeth may excite an already overly excitable area of the brain," lead author Dr. Wendyl D'Souza, from the University of Melbourne in Australia, said in a statement.
"This is similar to photosensitive epilepsy, which involves seizures triggered by flashing lights and moving patterns."
The seizures resolved with medications in one patient, surgery in another, and were still apparent in the third despite medical therapy, the researchers report.
http://news.yahoo.com/s/nm/20070306/hl_nm/tooth_brushing_seizures_dc
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