Sporadic adult onset primary torsion dystonia is a genetic disorder by the temporal discrimination test

Brain. 2011 Sep;134(Pt 9):2656-63. doi: 10.1093/brain/awr194. Epub 2011 Aug 11.
Kimmich O, Bradley D, Whelan R, Mulrooney N, Reilly RB, Hutchinson S, O’Riordan S, Hutchinson M