Retraction Note: Neurol Sci (2010) 31 (Suppl 2):S239–S243 DOI 10.1007/s10072-010-0379-1

The article has been retracted upon request of the editor since significant portions of the article were published earlier in the following article: Genova HM, Sumowski JF, Chiaravalloti N, Voelbel GT, Deluca J (2009) Cognition in Multiple Sclerosis: a review of neuropsychological and fMRI research. Front Biosci 14:1730–1744.