Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
2005-10-27
pubmed:abstractText
Fifty-eight male adolescents aged 15-17 years have been divided into 3 groups: 31 patients with mental infantilism syndrome were included in the study group, 14 with organic brain disorders--in the comparison group and 13 psychiatrically and neurologically normal subjects--in the control group. EEG was recorded from 12 leads monopolarly at rest, during hemisphere-specific cognitive tasks performance and exposure to aversive sound stimulation. Two-Hz wide EEG spectral ranges--A, theta1, theta2, alpha1 and alpha2--were analyzed. Only in the study group, there were decreased values of alpha2 spectral power (SP) and reduced reactivity to functional tests and insufficient lateral differentiation of the reactions during the cognitive tasks performance. Maximal deviation of the SP reactivity indices as compared to the comparison group was found in alpha2 range. The disturbances obtained indicate the delay of brain maturation and retardation in formation of specific neural networks. The results of the study demonstrate that indices of alpha2 SP may be considered as objective criteria of delayed mental maturation.
pubmed:language
rus
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
1997-7298
pubmed:author
pubmed:issnType
Print
pubmed:volume
105
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
23-9
pubmed:dateRevised
2008-3-31
pubmed:meshHeading
pubmed:year
2005
pubmed:articleTitle
[The EEG correlates of delayed mental development in adolescents].
pubmed:publicationType
Journal Article, English Abstract