Harvard scientists link verbal automaticity to cerebellar abnormalities and motor (or combined motor and verbal) automaticity to white matter abnormalities.
Urion, D.K., Huff, H.V. & Carullo, M.P. (2015). MRI in assessing children with learning disability, focal findings and reduced automaticity. Neurology. doi: 10.1212/WNL.0000000000001849
