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  • John Ashburner, Karl J. Friston
  • Psychology, Medicine
  • NeuroImage
  • 2000 (First Published: 1 June 2000)
  • At its simplest, voxel-based morphometry (VBM) involves a voxel-wise comparison of the local concentration of gray matter between two groups of subjects. The procedure is relatively straightforwardContinue Reading
  • Karl J. Friston
  • Biology, Medicine
  • Philosophical Transactions of the Royal Society B…
  • 2005 (First Published: 29 April 2005)
  • This article concerns the nature of evoked brain responses and the principles underlying their generation. We start with the premise that the sensory brain has evolved to represent or infer theContinue Reading
  • John Ashburner, Karl J. Friston
  • Medicine, Computer Science
  • NeuroImage
  • 2005 (First Published: 1 July 2005)
  • A probabilistic framework is presented that enables image registration, tissue classification, and bias correction to be combined within the same generative model. A derivation of a log-likelihoodContinue Reading