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Accurate age classification of 6 and 12 month-old infants based on resting-state functional connectivity magnetic resonance imaging data.


ABSTRACT: Human large-scale functional brain networks are hypothesized to undergo significant changes over development. Little is known about these functional architectural changes, particularly during the second half of the first year of life. We used multivariate pattern classification of resting-state functional connectivity magnetic resonance imaging (fcMRI) data obtained in an on-going, multi-site, longitudinal study of brain and behavioral development to explore whether fcMRI data contained information sufficient to classify infant age. Analyses carefully account for the effects of fcMRI motion artifact. Support vector machines (SVMs) classified 6 versus 12 month-old infants (128 datasets) above chance based on fcMRI data alone. Results demonstrate significant changes in measures of brain functional organization that coincide with a special period of dramatic change in infant motor, cognitive, and social development. Explorations of the most different correlations used for SVM lead to two different interpretations about functional connections that support 6 versus 12-month age categorization.

SUBMITTER: Pruett JR 

PROVIDER: S-EPMC4385423 | biostudies-literature | 2015 Apr

REPOSITORIES: biostudies-literature

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Accurate age classification of 6 and 12 month-old infants based on resting-state functional connectivity magnetic resonance imaging data.

Pruett John R JR   Kandala Sridhar S   Hoertel Sarah S   Snyder Abraham Z AZ   Elison Jed T JT   Nishino Tomoyuki T   Feczko Eric E   Dosenbach Nico U F NU   Nardos Binyam B   Power Jonathan D JD   Adeyemo Babatunde B   Botteron Kelly N KN   McKinstry Robert C RC   Evans Alan C AC   Hazlett Heather C HC   Dager Stephen R SR   Paterson Sarah S   Schultz Robert T RT   Collins D Louis DL   Fonov Vladimir S VS   Styner Martin M   Gerig Guido G   Das Samir S   Kostopoulos Penelope P   Constantino John N JN   Estes Annette M AM   Petersen Steven E SE   Schlaggar Bradley L BL   Piven Joseph J  

Developmental cognitive neuroscience 20150203


Human large-scale functional brain networks are hypothesized to undergo significant changes over development. Little is known about these functional architectural changes, particularly during the second half of the first year of life. We used multivariate pattern classification of resting-state functional connectivity magnetic resonance imaging (fcMRI) data obtained in an on-going, multi-site, longitudinal study of brain and behavioral development to explore whether fcMRI data contained informat  ...[more]

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