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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2003-3-25
pubmed:abstractText
We investigated the relationship between approximate entropy (ApEn) and correlation dimension (D2) in respiratory movement to reveal the non-linear dynamics in respiration during sleep. Seven healthy volunteers participated in this study. We recorded respiratory movement during sleep at night. We estimated the values of D2 and ApEn in respiratory movement. A significant relationship was observed between ApEn and D2 during sleep (r = 0.67, P < 0.001). Surrogate data analysis revealed that the respiratory movements had significant non-linear property. This evidence suggests that ApEn and D2 may become new indices to evaluate non-linear respiratory dynamics during sleep.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
0753-3322
pubmed:author
pubmed:issnType
Print
pubmed:volume
56 Suppl 2
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
370s-373s
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
2002
pubmed:articleTitle
Non-linear dynamics applied to human respiratory movement during sleep.
pubmed:affiliation
Third Department of Internal Medicine, Faculty of Medicine, Tottori University, 36-1 Nishimachi, Yonago 683-8504, Japan. burioka@grape.med.tottori-u.ac.jp
pubmed:publicationType
Journal Article