Load-dependent dysfunction of the putamen during attentional processing in patients with clinically isolated syndrome suggestive of multiple sclerosis. Tortorella C, Romano R, Direnzo V, Taurisano P, Zoccolella S, Iaffaldano P, Fazio L, Viterbo R, Popolizio T, Blasi G, et al. Mult Scler. 2013 Jan 17. PMID: 23329700. Abstract CommentRecommendBookmarkWatch