Figure 1.

Regions of interest (ROIs) for the diffusion MRI analysis. Abbreviations: ASN = anterior substantia nigra; CC = corpus callosum; DN = dentate nucleus; GP = globus pallidus; ICP = inferior cerebellar peduncle; IVermis = inferior portion of the cerebellar vermis; MCP; middle cerebellar peduncle; Lob V = lobule V of the cerebellum; Lob VI = lobule VI of the cerebellum; PSN = posterior substantia nigra; RN = red nucleus; SCP = superior cerebellar peduncle; STN = subthalamic nucleus; SVermis = superior portion of the cerebellar vermis. [Color figure can be viewed at http://wileyonlinelibrary.com]