Concurrent occurrence of rapid eye movement with spindle burst during nocturnal sleep in mentally retarded children
Abstract
Concurrence of REM and sleep spindle in 45 mentally retarded children (from 4 months to 8 years of age) was studied throughout nocturnal sleep, and the following results were obtained. (1) Twenty-five cases showed a single or burst of REMs during stage NREM with sleep spindles. (2) Twenty-nine cases showed sleep spindles at the beginning or toward the end of stage REM sleep. (3) No significant difference in DQ was found between the subjects with and without REMs during stage NREM sleep. The former subjects, however, had more normal clinical EEGs than the latter. (4) No significant difference in DQ or clinical EEG classification was revealed between the subjects with REMs during stage NREM sleep and those with spindles during stage REM sleep. (5) It was concluded that the concurrence of REM and sleep spindle during stage NREM is a useful sign for early diagnosis of mental retardation.
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Abnormally large spindles or absence of spindles were observed in mentally retarded and dyslexic children.
“Abnormally large spindles or the absence of spindles were observed in mentally retarded and dyslexic children (93,148,400,455,456,1070,1071).”
From About Sleep's Role in Memory (2013) · cites this paper as [1071]
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- Authors
- Shibagaki, M., Kiyono, S., Watanabe, K., & Hakamada, S.
- Affiliations
- Nagoya University (JP)
- Aichi Developmental Disability Center (JP)
- ORCID
- Watanabe, K
- Venue
- Electroencephalography and Clinical Neurophysiology
- Publisher
- Elsevier BV
- Published
- 1982-01
- Volume
- 53
- Issue
- 1
- Pages
- 27-35
- ISSN
- 0013-4694 (ISSN-L)
- OpenAlex
- W2086096788
- Cited by
- 18
- References
- 27
- Citations by year
- 2025: 1 · 2016: 3 · 2015: 1 · 2014: 1 · 2013: 1
- FWCI
- 2.07
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Electroencephalography and Clinical Neurophysiology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
- Keywords
- rapid eye movements, sleep spindles, REM sleep, NREM sleep, intellectual disability, children, nocturnal sleep, EEG, early diagnosis
- MeSH terms
- Child, Child, Preschool, Electroencephalography, Evoked Potentials, Female, Humans, Infant, Male, Intellectual Disability, Sleep, Sleep, REM
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