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Reduced interhemispheric functional connectivity of children with autism spectrum disorder: evidence from functional near infrared spectroscopy studies
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2014 (English)In: Biomedical Optics Express, ISSN 2156-7085, Vol. 5, no 4, 1262-1274 p.Article in journal (Refereed) Published
Abstract [en]

Autism spectrum disorder (ASD) is a neuro-developmental disorder, which has been associated with atypical neural synchronization. In this study, functional near infrared spectroscopy (fNIRS) was used to study the differences in functional connectivity in bilateral inferior frontal cortices (IFC) and bilateral temporal cortices (TC) between ASD and typically developing (TD) children between 8 and 11 years of age. As the first report of fNIRS study on the resting state functional connectivity (RSFC) in children with ASD, ten children with ASD and ten TD children were recruited in this study for 8 minute resting state measurement. Compared to TD children, children with ASD showed reduced interhemispheric connectivity in TC. Children with ASD also showed significantly lower local connectivity in bilateral temporal cortices. In contrast to TD children, children with ASD did not show typical patterns of symmetry in functional connectivity in temporal cortex. These results support the feasibility of using the fNIRS method to assess atypical functional connectivity of cortical responses of ASD and its potential application in diagnosis.

Place, publisher, year, edition, pages
2014. Vol. 5, no 4, 1262-1274 p.
Keyword [en]
Brain Activity, Global Signal, Networks, Fmri, Underconnectivity, Organization, Activation, Head, Mri
National Category
Biochemistry and Molecular Biology Radiology, Nuclear Medicine and Medical Imaging
URN: urn:nbn:se:kth:diva-145086DOI: 10.1364/BOE.5.001262ISI: 000334078100023ScopusID: 2-s2.0-84899011408OAI: diva2:716312
Swedish Research Council

QC 20140509

Available from: 2014-05-09 Created: 2014-05-08 Last updated: 2014-05-09Bibliographically approved

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He, Sailing
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Electromagnetic EngineeringZhejiang-KTH Joint Research Center of Photonics, JORCEP
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Biomedical Optics Express
Biochemistry and Molecular BiologyRadiology, Nuclear Medicine and Medical Imaging

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