Incidence of atypical handedness in epilepsy and its association with clinical factors
- Affiliated Author(s)
- 조용원; 이상도
- Alternative Author(s)
- Cho, Yong Won; Yi, Sang Do
- Journal Title
- Epilepsy & Behavior
- ISSN
- 1525-5050
- Issued Date
- 2009
- Abstract
- The incidence of atypical handedness (left-handedness and ambidexterity) in patients with epilepsy, particularly
its association with major clinical factors, is not well established. We evaluated a full range of
clinical variables in 478 patients with epilepsy from the United States and Korea. With the Edinburgh
Handedness Inventory, handedness was established as both a categorical variable (right-handed, lefthanded,
ambidextrous) and a continuous variable. Seizures were classified as complex or simple partial,
primary generalized, or generalized tonic–clonic. The relationship between handedness and a range of
clinical findings was explored. The overall incidence of atypical handedness in our patients was higher
than in the general population (13.6%) and significantly higher in the U.S. patient group (17.6%) than
in the Korean patients (8.8%). Handedness was not associated with sex; age; seizure type; age at onset;
type, side, or site of EEG or brain imaging abnormalities; family history of seizures; refractory epilepsy; or
history of epilepsy surgery.
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