Abstract:
:The present study investigated handedness of 109 Korean patients with temporal lobe epilepsy (TLE) and 120 normal control participants. Left TLE was associated with a significantly raised incidence of left-handers relative to normal controls. More important for the present purpose, right TLE was associated with a significantly raised incidence of strong right-handers relative to normal controls. This finding indicates that certain early damage to the right brain causes a mild hypofunction of the left hand in natural weak right-handers, which in turn causes the patient to switch to strong right-handedness. To the authors' knowledge, this finding provides the 1st empirical evidence supporting the pathological right-handedness hypothesis. Prior failure to find evidence of pathological right-handedness may reflect the low base rate of natural left-handers rather than true absence of pathological right-handers.
journal_name
Neuropsychologyjournal_title
Neuropsychologyauthors
Kim H,Yi S,Son EI,Kim Jdoi
10.1037//0894-4105.15.4.510subject
Has Abstractpub_date
2001-10-01 00:00:00pages
510-5issue
4eissn
0894-4105issn
1931-1559journal_volume
15pub_type
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