Cognitive impairment among different clinical courses of multiple sclerosis.

Background: As of yet, no consensus has been reached regarding cognitive impairment profiles in multiple sclerosis (MS) patients based on the MS type and disease duration. The main objective of this study was to describe cognitive impairment at the early stages of MS. The secondary objective was to compare cognitive performances in patients with relapsing remitting multiple sclerosis (RRMS), secondary progressive (SP) MS and primary progressive (PP) MS.

[Working memory in multiple sclerosis: a review].

Introduction: Impairment of working memory (WM) is frequently reported in multiple sclerosis (MS) patients. However, the various methodologies used, as well as the populations selected for study, hinder the interpretation of results. The aim of this study is to propose a review about WM in MS.