Application of coregistration for imaging of animal models of epilepsy

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The past decade has seen a surge in the utilization of small animal imaging for epilepsy research. In vivo imaging studies have the potential to provide important insights into the structural and functional correlates of the development and progression of epilepsy in these models. However, the small size of the rodent brain means that anatomic resolution is often relatively poor for many imaging modalities, particularly those providing functional information such as positron emission tomography. Coregistration of these images with those of higher structural resolution, such as MRI, provides an attractive approach to this problem, and also allows correlations between structural and functional imaging data. Image coregistration is commonly utilized in clinical research and practice. However, its application for small animal images has been, to date, relatively under utilized and largely unvalidated. The current review aims to provide an overview of image coregistration methods, particularly for MRI and PET, and their application to imaging of small animal models of epilepsy. Methodological advantages and potential traps are highlighted.

Original languageEnglish
Pages (from-to)82-89
Number of pages8
Issue numberSUPPL. 4
Publication statusPublished - Sep 2007
Externally publishedYes


  • Brain imaging
  • Image coregistration
  • MRI
  • PET
  • Small animal models of epilepsy

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