Voxel-wise comparisons of the morphology of diffusion tensors across groups of experimental subjects
Bansal R, Staib LH, Plessen KJ, Xu D, Royal J, Peterson BS. Voxel-wise comparisons of the morphology of diffusion tensors across groups of experimental subjects. Psychiatry Research 2007, 156: 225-245. PMID: 18006284, PMCID: PMC2215316, DOI: 10.1016/j.pscychresns.2006.12.015.Peer-Reviewed Original ResearchConceptsApproximate covariance matrixRespective true valuesScalar measureMathematical frameworkMultivariate GaussianCovariance matrixMean eigenvaluesTensor morphologyEigenvaluesDelta methodEigenvectorsOrthogonal vectorsDiffusion tensorTensor eigenvectorsScalar magnitudeNonlinear wayTensorTrue valueGaussianComplex 3D morphologyDT dataAnisotropyNeuroanatomical connectivityProbabilityDirection