2013
DOI: 10.1371/journal.pone.0066736
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A Multivariate Surface-Based Analysis of the Putamen in Premature Newborns: Regional Differences within the Ventral Striatum

Abstract: Many children born preterm exhibit frontal executive dysfunction, behavioral problems including attentional deficit/hyperactivity disorder and attention related learning disabilities. Anomalies in regional specificity of cortico-striato-thalamo-cortical circuits may underlie deficits in these disorders. Nonspecific volumetric deficits of striatal structures have been documented in these subjects, but little is known about surface deformation in these structures. For the first time, here we found regional surfa… Show more

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Cited by 38 publications
(67 citation statements)
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“…In the past few years, our group has developed a series of structural MRI analysis software tools for AD research, such as multivariate TBM on cortical surface (Wang et al, 2013b) and hippocampal abnormality analyses (Shi et al, 2014; Shi et al, 2013a; Shi et al, 2013b; Wang et al, 2011), together with cortical thickness estimation with volumetric Laplace-Beltrami operator and heat kernel (Wang et al, 2013a; Wang et al, 2014). In the future, we plan to apply our structural MRI software tools in our ongoing preclinical AD research (Caselli and Reiman, 2013; Langbaum et al, 2013).…”
Section: Discussionmentioning
confidence: 99%
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“…In the past few years, our group has developed a series of structural MRI analysis software tools for AD research, such as multivariate TBM on cortical surface (Wang et al, 2013b) and hippocampal abnormality analyses (Shi et al, 2014; Shi et al, 2013a; Shi et al, 2013b; Wang et al, 2011), together with cortical thickness estimation with volumetric Laplace-Beltrami operator and heat kernel (Wang et al, 2013a; Wang et al, 2014). In the future, we plan to apply our structural MRI software tools in our ongoing preclinical AD research (Caselli and Reiman, 2013; Langbaum et al, 2013).…”
Section: Discussionmentioning
confidence: 99%
“…Our surface smoothing process consists of mesh simplification using “progressive meshes” (Hoppe, 1996) and mesh refinement by Loop subdivision surface (Loop, 1987). The similar procedures were frequently adopted in a number of our prior works (Colom et al, 2013; Luders et al, 2013; Monje et al, 2013; Shi et al, 2014; Shi et al, 2013a; Shi et al, 2013b; Wang et al, 2011; Wang et al, 2010) and our experience showed that the smoothed meshes are accurate approximations to the original surfaces with higher signal-to-noise ratio (SNR) (Shi et al, 2013a). …”
Section: Methodsmentioning
confidence: 99%
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“…With permutation test to correct for multiple comparisons, the overall significance p -value of a p -map is a quantitative measure indicating how likely the patterns in the p -map occurring by accident. Group difference analysis has been applied widely in the literature to study the impacts of Alzheimer’s disease (AD) on hippocampus and ventricles (Thompson et al 2004a; Wang et al 2011), the genetic influence of ApoE4 on hippocampus (Shi et al 2014), and the impact of prematurity on putamen (Shi et al 2013b), etc. With group difference analysis, our results confirm and extend prior works by demonstrating how blindness acquired at different periods during development influence the structural reorganization of the CC (e.g.…”
Section: Discussionmentioning
confidence: 99%
“…We adopted a surface fluid registration based hippocampal subregional analysis package [25], which uses isothermal coordinates and fluid registration to generate one-to-one hippocampal surface registration for following surface statistics computation. This software package has been adopted by various studies [22, 2630].…”
Section: Methodsmentioning
confidence: 99%