Time-variant analysis of nonlinear stability and bispectral measures to quantify the development of fetal sleep States.

Time-variant analysis of nonlinear stability and bispectral measures to quantify the development of fetal sleep States. Research Abstract Details 

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Time-variant analysis of nonlinear stability and bispectral measures to quantify the development of fetal sleep States. Abstract Text:

K Schwab,T Groh,M Schwab,H Witte,Karin Schwab,Tobias Groh,Matthias Schwab,Herbert Witte,

A combined time-variant analysis of nonlinear stability and parametric bispectral measures was applied to the in utero electrocorticogram (ECoG) of fetal sheep between 0.7 and 0.9 gestation to examine the maturation of sleep states and synchronization patterns of the ECoG. Cycling of the nonlinear stability of the fetal ECoG occurred already at 0.7 gestation and suggests the presence of premature sleep states. This was accompanied by cycling of the time-variant biamplitude which reflected ECoG synchronization effects during premature NREM sleep. Maturation of NREM sleep begun at 0.78 gestation and preceded that of REM sleep that begun at 0.85 gestation. Our results suggest that maturation of brain stem and thalamic function precedes that of cortical function.

Time-variant analysis of nonlinear stability and bispectral measures to quantify the development of fetal sleep States. Publishing Authors By Initials

K Schwab,T Groh,M Schwab,H Witte,K Schwab,T Groh,M Schwab,H Witte,

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Time-variant analysis of nonlinear stability and bispectral measures to quantify the development of fetal sleep States. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Conference proceedings : ... Annual International

VOLUME: 1

Page Numbers: 1454-7

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ISSN: 1557-170X

DAY: 23

MONTH: 10

YEAR: 2006

Time-variant analysis of nonlinear stability and bispectral measures to quantify the development of fetal sleep States. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Time-variant analysis of nonlinear stability and bispectral measures to quantify the development of fetal sleep States.

AFFILIATION: Inst. of Med. Stat., Comput. Sci. & Documentation, Jena Univ.

Country: United States

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MEDLINETA: Conf Proc IEEE Eng Med Biol So

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