[Brain Bioelectrical Activity in Early Childhood Specific for Children Living in Orphanages].

IF 0.2 4区医学 Q4 NEUROSCIENCES

Zhurnal Vysshei Nervnoi Deyatelnosti Imeni I P Pavlova Pub Date : 2015-09-01 DOI:10.7868/S0044467715050093

A. A. Kulenkova, Y. O. Dyagileva, V. Pavlenko, V. V. Belalov, O. Kochukhova

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引用次数: 3

Abstract

We investigated whether the electroencephalogram (EEG) during visual fixation in institutionalized children shows the altered oscillation properties. EEG was recorded in the "eyes open" situation with visual attention fixed on a cartoon in 51 2-3.5 years old children living in Simferopol orphanage, Crimea and in 53 age-matched children living in families. Oscillation properties were measured using the relative power (RP) indices of theta-, alpha-, beta- and gamma-rhythms. Institutionalized children showed higher RP of alpha rhythm in seven loci (frontal polar, anterior temporal, posterior temporal and left occipital derivations), lower RP of theta rhythm in eight loci (frontal polar, frontal, anterior temporal and posterior temporal derivations). In addition, RP of beta- and gamma-rhythms were decreased in the left anterior temporal area. These results suggest that institutionalized children show impaired development of CNS, in particular development of limbic system and neocortex, probably are caused by early social deprivation.

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[孤儿院儿童早期脑生物电活动研究]。

我们研究了住院儿童在注视期间的脑电图是否显示出改变的振荡特性。对克里米亚辛菲罗波尔孤儿院51名2 ~ 3.5岁儿童和53名同龄家庭儿童在“睁眼”、视觉注意力固定于动画片的情况下的脑电图进行了记录。振荡特性测量使用相对功率(RP)指数的θ -， α -， β -和γ -节奏。收容儿童在7个脑区(额极区、颞前区、后颞区和左枕区)α节律RP较高，在8个脑区(额极区、额颞前区和后颞前区)θ节律RP较低。此外，左前叶区β -节律和γ -节律的RP降低。上述结果提示，寄养儿童中枢神经系统发育受损，尤其是边缘系统和新皮层发育受损，可能是早期社会剥夺所致。

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