Cognition in Early Relapsing-Remitting Multiple Sclerosis: Consequences May Be Relative to Working Memory. Berrigan LI, Lefevre J-A, Rees LM, Berard J, Freedman MS, Walker LAS J Int Neuropsychol Soc. 2013 Jul 18:1-12. PMID: 23866100. Abstract CommentRecommendBookmarkWatch