Advances in white matter imaging: A review of in vivo magnetic resonance methodologies and their applicability to the study of development and aging

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Abstract

Several newer magnetic resonance imaging (MRI) techniques are increasingly being applied to the study of white matter development and pathology across the lifespan. These techniques go beyond traditional macrostructural volumetric methods and provide valuable information about underlying tissue integrity and organization at the microstructural and biochemical levels. We first provide an overview of white matter development and discuss the role of white matter and myelin in cognitive function. We also review available studies of development that have employed traditional volumetric measures. Then, we discuss the contributions of four newer imaging paradigms to our understanding of brain development and aging. These paradigms are Diffusion Tensor Imaging (DTI), Magnetization Transfer Imaging (MTI), T2-Relaxography, and Magnetic Resonance Spectroscopy (MRS). Studies examining brain development during childhood and adulthood as well as studies of the effects of aging are discussed.

Original languageEnglish (US)
Pages (from-to)762-774
Number of pages13
JournalNeuroscience and Biobehavioral Reviews
Volume30
Issue number6
DOIs
StatePublished - 2006

Keywords

  • DTI
  • Development
  • Diffusion tensor imaging
  • MRI
  • MTI
  • Magnetic resonance spectroscopy
  • Magnetization transfer imaging
  • T2 relaxography
  • White matter

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