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The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool

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Morphosyntactic Abilities and Cognitive Performance in Multiple Sclerosis.

Panagiotis Grigoriadis^1,2, Christos Bakirtzis³, Elli Nteli³

¹School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.

|March 28, 2024

Summary

People with multiple sclerosis (PwMS) show impairments in morphology and syntax, alongside cognitive deficits. Disease duration and MS type impact these abilities, with progressive subtypes most affected.

Keywords:

cognition information processing speed language memory morphology multiple sclerosis syntax

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Area of Science:

Neuroscience
Linguistics
Clinical Neurology

Background:

Cognitive impairments in multiple sclerosis (MS) are well-documented.
Linguistic abilities in people with multiple sclerosis (PwMS) and their connection to cognitive function remain underexplored.

Purpose of the Study:

To investigate morphosyntactic abilities in PwMS and their relationship with cognitive performance.
To explore the influence of clinical factors like disease duration and MS type on linguistic and cognitive outcomes.
To identify neurocognitive and clinical correlates of linguistic performance in PwMS.

Main Methods:

A cross-sectional study involving 78 PwMS and 78 matched healthy controls.
Administration of the Brief International Cognitive Assessment for Multiple Sclerosis (BICAMS) battery, non-word repetition, and questionnaires (mood, fatigue, quality of life).
Assessment of participants using morphology and syntax tasks.

Main Results:

PwMS exhibited impairments in morphology (past tense) and selective syntax deficits, correlating with cognitive impairments.
Disease duration significantly impacted cognitive abilities, while MS type selectively affected linguistic skills, particularly in the progressive subtype.
The Symbol Digit Modalities Test (SDMT), a measure of processing speed, was the sole BICAMS predictor of linguistic impairments.

Conclusions:

This study reveals selective deficits in morphological and syntactical abilities in PwMS.
It offers insights into the clinical and cognitive factors influencing linguistic performance in this population.
Findings suggest potential implications for developing targeted intervention programs for PwMS.