Evaluating the relationship between working memory and information processing speed in multiple sclerosis

Kouvatsou, Zoe; Masoura, Elvira; Kiosseoglou, Grigoris; Kimiskidis, Vasilios Κ.

doi:10.1080/23279095.2020.1804911

Cited by 2 publications

(2 citation statements)

References 42 publications

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“…With regard to the relationship between IPS and WM, we evaluated the relationship of IPS with the four WM components, i.e., phonological loop, visuospatial sketchpad, central executive, and episodic buffer ( Kouvatsou et al, 2020 ). Results revealed that the complex storage WM component, i.e., central executive and episodic buffer, are more closely related to IPS, than the simple storage components, i.e., phonological loop and visuospatial sketchpad.…”

Section: Discussionmentioning

confidence: 99%

“…On the other side, other studies have suggested that deficits in WM and IPS are developed separately, affecting independently the encoding processes ( D’Esposito et al, 1996 ; Landrø et al, 2004 ). Our research team evaluated the effect of IPS on the four WM components function, i.e., phonological loop, visuospatial sketchpad, central executive and episodic buffer ( Kouvatsou et al, 2020 ). Different tasks were administered to 38 patients with MS to evaluate each WM component: word lists recall for the phonological loop, block recall for the spatial component of visuospatial sketchpad, listening recall for the central executive and immediate story recall, for the episodic buffer function.…”

Section: Introductionmentioning

confidence: 99%

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Working Memory Deficits in Multiple Sclerosis: An Overview of the Findings

2022

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Although working memory (WM) and information processing speed (IPS) impairments in multiple sclerosis (MS) have been widely investigated, several questions, regarding the nature of these impairments and their relationship, remain unclear. The aim of this short communication article is to present an overview of our recent research findings regarding (a) the characteristics of WM impairment in MS patients and, more precisely, the degree of impairment observed in each WM’s component, i.e., phonological loop, visuospatial sketchpad, central executive, and episodic buffer and (b) the relationship between IPS and each of the four WM components, in an attempt to expand the existing rather narrow understanding of the interconnection between reduced IPS and WM impairment. Two studies of our research team are presented here and their findings are briefly discussed, highlighting the importance of further research on a specific component, namely the episodic buffer component among MS patients.

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Section: Discussionmentioning

confidence: 99%