| Victoria M Leavitt Altered effective connectivity during performance of an information processing speed task in multiple sclerosisVictoria M Leavitt Neuropsychology and Neuroscience, Kessler Foundation Research Center, West Orange, NJ 07052, USA Mult Scler 18:409-17. 2012 Warmer outdoor temperature is associated with worse cognitive status in multiple sclerosisVictoria M Leavitt Kessler Foundation Research Center, West Orange, NJ, USA Neurology 78:964-8. 2012 Cognitive reserve in secondary progressive multiple sclerosisJames F Sumowski Neuropsychology and Neuroscience Laboratory, Kessler Foundation Research Center, USA Mult Scler 18:1454-8. 2012 The relative contributions of processing speed and cognitive load to working memory accuracy in multiple sclerosisVictoria M Leavitt Kessler Foundation Research Center, West Orange, NJ, USA J Clin Exp Neuropsychol 33:580-6. 2011 Default network activity is a sensitive and specific biomarker of memory in multiple sclerosisJames F Sumowski Kessler Foundation Research Center, USA Mult Scler 19:199-208. 2013 Central fatigue: issues related to cognition, mood and behavior, and psychiatric diagnosesVictoria M Leavitt Neuropsychology and Neuroscience Laboratory, Kessler Foundation, 300 Executive Drive, West Orange, NJ 07052, USA PM R 2:332-7. 2010
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