Reflex Epilepsy Induced by “Soroban”, A Japanese Calculator

Abstract

Three patients with reflex epilepsy and myoclonic jerks of the right arm and fingers precipitated by calculation using a Soroban are reported from the Department of Neuropsychiatry, Osaka University Medical School, Fukushima-ku, Osaka, Japan.

Keywords

• myoclonic jerks
• complex finger movements
• epileptic discharges