書誌事項
- タイトル別名
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- Neuropsychological and electroencephalographic study on the West syndrome and the Lennox syndrome.
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説明
Neuropsychological and electroencephalographic study was performed to clarify the mechanism of mental deterioration of the West syndrome and the Lennox syndrome.<BR>Forty-six epileptic children comprizing 33 children with Lennox syndrome and 13 children with West syndrome (group I), aged 4 to 15 years, and 40 nonepileptic children with mental retardation (group II), aged 5 to 11 years were examined. In addition to EEG studies, the following neuropsychological studies were performed: 1) lateral dominance of hand, foot and eye, 2) intelligence test, 3) Illinois test of psycholinguistic abilities (ITPA) (Japanese edition) and 4) Bender Gestalt test.<BR>The results were as follows: 1) Intelligence quotients (IQ) of 16 patients in group I were above 90, IQs of 9 patients in group I and 17 patients in group II were between 76 and 89, and IQs of 21 patients in group I and 23 patients in group II were below 75. 2) Evaluation of 10 subtest in ITPA revealed that a patchy defect was found in the association function in both groups (50.0 % in group I and 45.0 % in group II). However, the abnormalities in the association function were different between two groups. The abnormality of the association function in group II was always found in the auditory association function, while the abnormality in group I was mainly in the visual association function in addition to the auditory association function was highly correlated with school performance and mental deterioration after the onset of epilepsy. 3) In Bender Gastalt test both groups had a high score beyond the normal range. 4) The incidence of the prolonged latency in the visual evoked potential was higher in group I than in group II. There was a correlation between prolongation of the latency in visual evoked potential and the visual association function.<BR>These findings suggested that the disorder of visual association function which was scarcely found in mental retardation was characteristic of mental deterioration in the West syndrome and the Lennox syndrome, and it was worthy to estimate the prognosis of mental function in both syndromes.
収録刊行物
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- 脳と発達
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脳と発達 16 (5), 341-350, 1984
THE JAPANESE SOCIETY OF CHILD NEUROLOGY
