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Sex differences in electrocortical activity in human neonates
Department of Clinical Neurophysiology, Institute of Neuroscience and Physiology, Sahlgrenska University Hospital, Göteborg, Sweden.
School of Engineering, Uiversity of Borås.
Department of Pediatrics, Queen Silvia Children's Hospital, Sahlgrenska University Hospital-Östra.
School of Engineering, University of Borås.
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2006 (English)In: NeuroReport, ISSN 0959-4965, E-ISSN 1473-558X, Vol. 17, no 11, 1165-1168 p.Article in journal (Refereed) Published
Abstract [en]

Cerebral cortical activity in healthy, full-term human neonates (10 boys and 10 girls) was evaluated using spectral estimation of electroencephalogram frequency content with new equipment and analysis technique allowing the assessment of the lowest frequencies (i.e. infraslow waves). The activity was analysed under quiet sleep and active wakefulness taking sex into consideration. During sleep, the mean amount of infraslow activity was 27% larger in boys, whereas during wakefulness the average amount of higher frequencies was 17% larger in girls. Both these differences indicate an earlier maturation of cortical function in girls than in boys.

Place, publisher, year, edition, pages
2006. Vol. 17, no 11, 1165-1168 p.
Keyword [en]
brain, DC, development, electroencephalogram, neonate, sex, spectral analysis
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URN: urn:nbn:se:kth:diva-75349DOI: 10.1097/01.wnr.0000227978.98389.43ISI: 000239668600017PubMedID: 16837847OAI: diva2:490960
QC 20120206Available from: 2012-02-06 Created: 2012-02-05 Last updated: 2012-02-06Bibliographically approved

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Lindecrantz, Kaj
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