Quantitative EEG analysis of REM sleep in children with Down syndrome.

Roczniki Akademii Medycznej w Bialymstoku (1995) Pub Date : 2005-01-01

J Smigielska-Kuzia, W Sobaniec, W Kułak, L Boćkowski, E Sołowiej

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Abstract

Purpose: The aim was to compare quantitative EEG analysis of REM sleep in children with Down syndrome (DS) and normal age-matched controls.

Material and methods: Twenty-one channel EEG of 21 patients with Down syndrome and 21 normal children, with ages ranging from 1 to 8 years, were submitted to quantitative analysis EEG of discharge-free epochs. The signals were recorded using a set of 17 (F3, F4, F7, F8, Fz, C3, C4, Cz, P3, P4, Pz, O1, O2, T3, T4, T5, T6) scalp electrodes. For each child, 20 artifact-free EEG epochs, each of 2 s without epileptiform discharges were selected for spectral analysis to calculate spectral power. Delta, theta, alpha and beta frequency ranges were compared between groups for all electrode positions.

Results: Quantitative analysis of the REM sleep from DS group disclosed reduction of the power mainly in the alpha when comparing the healthy group. Beta, theta and delta bands did not differ significantly between the groups.

Conclusions: Our findings agree with recent evidences that these children may differ from children normal development.

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唐氏综合征患儿快速眼动睡眠的定量脑电图分析。

目的:比较唐氏综合征(DS)患儿与同龄正常对照组快速眼动睡眠的定量脑电图分析。材料与方法:对21例唐氏综合征患者和21例年龄1 ~ 8岁的正常儿童进行无出院期脑电图定量分析。使用17个(F3、F4、F7、F8、Fz、C3、C4、Cz、P3、P4、Pz、O1、O2、T3、T4、T5、T6)头皮电极记录信号。对每个儿童选取20个无伪影的脑电期，每2 s无癫痫样放电进行谱分析，计算谱功率。比较各电极位置组间的δ、θ、α和β频率范围。结果:与健康组相比，DS组快速眼动睡眠的定量分析显示，功率下降主要发生在α。β， θ和δ波段在两组之间没有显著差异。结论:我们的发现与最近的证据一致，这些儿童可能不同于正常发育的儿童。

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Roczniki Akademii Medycznej w Bialymstoku (1995)

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