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SLEEP SPINDLES AND PHYSICAL PARAMETERS Ariyuki Hori 1 , Satoru Kazukawa 1 , Masaomi Endo 1 , Ichiro Nakamura 1 1Department of Neuropsychiatry, Faculty of Medicine, Toyama Medical and Pharmaceutical University pp.151-154
Published Date 1987/2/1
DOI https://doi.org/10.11477/mf.1406205854
  • Abstract
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In 4 identical (Nos.1-4) and 3 fraternal (Nos.5-7) male twin pairs (mean age, 16 years), sleep spindles were analysed during sleep. The height, body weight, plantar length and chest circumference were measured, and the correlations between sleep spindles and these physical parameters were examined. The physical parameters showed con-cordance between identical twin pairs except one pair (No. 4) and one fraternal pair (No. 5) but discordance between two fraternal twin pairs (Nos. 6 and 7). Number of sleep spindles and sleep spindle density showed almost concordance be-tween identical twin pairs and one fraternal pair (No. 5), while discordance between two fraternal ones (Ncs. 6 and 7). Both number of sleep spindles and sleep spindle density were inversely correlated with body weight (r=-0.61, p<0.02; r==-0.62, p<0.02). These facts would suggest that sleep spindles rather reflect the individual development than genetic trait.


Copyright © 1987, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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