| Abnormal cortical excitability in Rett syndrome. | |
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MedLine Citation:
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PMID: 8352852 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Visual and somatosensory evoked potentials (VEPs and SEPs) were studied in 9 patients with Rett syndrome and compared with those in 6 patients with photosensitive progressive myoclonus epilepsy (PPME). In Rett syndrome, a giant III-IV amplitude of VEPs was present in 8 patients, although none exhibited giant II-III amplitudes. Four of 6 patients with Rett syndrome who demonstrated giant SEPs did not have a C reflex. Conversely, the patients with PPME demonstrated giant II-III and III-IV amplitudes in VEPs, and giant SEPs with concurrent positive C reflexes. It is concluded that the mechanism of altered cortical excitability in Rett syndrome is different from that in PPME. |
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Authors:
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H Yamanouchi; M Kaga; M Arima |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Pediatric neurology Volume: 9 ISSN: 0887-8994 ISO Abbreviation: Pediatr. Neurol. Publication Date: 1993 May-Jun |
Date Detail:
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Created Date: 1993-09-22 Completed Date: 1993-09-22 Revised Date: 2006-05-23 |
Medline Journal Info:
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Nlm Unique ID: 8508183 Medline TA: Pediatr Neurol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 202-6 Citation Subset: IM |
Affiliation:
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Department of Pediatrics, School of Medicine, Gunma University, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Arousal / physiology* Cerebral Cortex / physiopathology* Child Child, Preschool Electroencephalography Epilepsy, Complex Partial / diagnosis, physiopathology Epilepsy, Tonic-Clonic / diagnosis, physiopathology Evoked Potentials, Somatosensory / physiology Evoked Potentials, Visual / physiology Female Humans Reaction Time / physiology Rett Syndrome / diagnosis, physiopathology* |
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