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Evaluating Cognitive-Motor Interference in Multiple Sclerosis: A Technology-Based Approach.

Jessica Podda1, Ludovico Pedullà1, Giampaolo Brichetto1,2

  • 1Scientific Research Area, Italian Multiple Sclerosis Foundation, 16149 Genoa, Italy.

Bioengineering (Basel, Switzerland)
|March 27, 2024
PubMed
Summary
This summary is machine-generated.

People with multiple sclerosis experience cognitive-motor interference. Wearable sensors and mobile apps can effectively measure dual-task costs, aiding in clinical assessment of these impairments.

Keywords:
cognitive impairmentcognitive-motor interferencedual-taskdual-task costmultiple sclerosissemantic fluencysingle-taskwearable

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Area of Science:

  • Neurology
  • Rehabilitation Technology
  • Biomedical Engineering

Background:

  • Multiple sclerosis (MS) often causes combined cognitive and motor deficits.
  • These deficits can impair the ability to perform dual-tasks (DT).
  • Assessing cognitive-motor interference (CMI) is crucial for managing MS.

Purpose of the Study:

  • To identify novel technology-based parameters for assessing CMI in people with MS (PwMS).
  • To define dual-task cost (DTC) measures using wearable technology.
  • To evaluate the utility of insoles and mobile apps for CMI assessment.

Main Methods:

  • Participants performed cognitive single-task (ST), motor ST (walking), and DT (combined tasks).
  • Word count from verbal fluency task and step count from insoles were used.
  • Motor and cognitive DTC were calculated based on performance changes during DT.

Main Results:

  • Step count strongly correlated with walked distance in both ST and DT (r=0.88-0.91, p<0.05).
  • Motor performance significantly declined during DT, while cognitive performance showed a progressive decrease in word output.
  • Cognitive task prioritization may explain the observed performance changes.

Conclusions:

  • Low-cost wearable devices can effectively assess CMI in clinical settings.
  • These tools facilitate the detection of ecologically valid DT impairments in PwMS.
  • Technology-based assessment offers a practical approach to managing MS-related functional limitations.