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Comparison of the three eigenvalues of diffusion tensor between the control and the shiverer mouse. The largest eigenvalue (λ1), i.e. the axial diffusivity, remains unchanged. The two smaller eigenvalues (λ2 and λ3), i.e. the radial diffusivity of the white matter, increases in the shiverer mouse, resulting a reduction in tissue contrast. The most significant reduction appears in the smallest eigenvalue (λ3).
