Figure 1.

In vivo diffusion tensor imaging of a control rat at postnatal day 8. In the fractional anisotropy-based color coded axis maps (A and B), the colors are used to indicate the preferred diffusion direction in a coronal plane. Red, green, and blue represent transverse, dorso-ventral and rostro-caudal directions, respectively. The brightness is coded by the FA value. On this map, both white matter (corpus callosum, internal capsule, and external capsule) and grey matter (cortex, caudate and putamen) can be identified. C and D are mean diffusivity maps showing the same structures.