Journal Title
Title of Journal: Cerebellum
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Abbravation: The Cerebellum
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Publisher
Springer-Verlag
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Authors: MarieEve Bolduc Adre J du Plessis Nancy Sullivan Nicolas Guizard Xun Zhang Richard L Robertson Catherine Limperopoulos
Publish Date: 2011/09/07
Volume: 11, Issue: 2, Pages: 531-542
Abstract
The cerebellum has recently been recognized for its role in highorder functions including cognition language and behavior Recent studies have also begun to describe a functional topography of the mature cerebellum that includes organization on a mediolateral axis However no study to date has examined the relationship between regional cerebellar volume and developmental disabilities in children with cerebellar malformations The objective of this study was to estimate the extent to which total and regional cerebellar volumes are associated with developmental disabilities in a cohort of children with cerebellar malformations Children aged 1 to 6 years with a diagnosis of cerebellar malformation underwent standardized outcome measures and quantitative magnetic resonance scanning The cerebellum was parcellated into seven mediolateral zones three for each hemisphere plus the vermis for regional volume analysis In children with cerebellar malformations decreased total cerebellar volume was associated with delays in global development expressive language cognition as well as gross and fine motor function Decreased volume in the right lateral cerebellar hemisphere was related to impaired cognition expressive language and gross motor function Additionally reduced vermis volume was associated with impaired global development cognition expressive language and gross and fine motor skills as well as behavior problems and a higher rate of positive autism spectrum screening test These results begin to define the structural topography of functional outcome in children with cerebellar malformations and should lead to greater accuracy of prognostication as well as timely early developmental interventionsThis study was supported by the Lifebridge Fund the Caroline Levine Foundation and the Trust Family Foundation MarieEve Bolduc received support from a McGill University Health Centre Research Institute Scholarship Catherine Limperopoulos Canada Research Chair in Brain and Development Tier II is supported by the Canada Research Chairs Program Dr du Plessis is supported through National Institutes of Health grant 1K24NS05756801 We thank Dr Nicol KornerBitensky for her methodological expertise while designing the study and for reviewing the manuscript We also thank Shaye Moore for assistance with manuscript preparation We are very grateful to the children and their families for participating in this study
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