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Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of...
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Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
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Memory rehabilitation for people with multiple sclerosis.

Lauren A Taylor1, Jacqueline R Mhizha-Murira2, Laura Smith3

  • 1Division of Psychiatry and Applied Psychology, School of Medicine, University of Nottingham, Nottingham, UK.

The Cochrane Database of Systematic Reviews
|October 18, 2021
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Summary

Memory rehabilitation shows benefits for individuals with multiple sclerosis (MS), improving subjective memory, verbal memory, information processing, and quality of life. However, trial quality impacts results, necessitating further high-quality research.

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Area of Science:

  • Neurorehabilitation
  • Cognitive Science
  • Clinical Neurology

Background:

  • Cognitive impairments, especially memory deficits, are prevalent in multiple sclerosis (MS), impacting daily functioning and quality of life.
  • A growing body of research, including randomized controlled trials (RCTs), investigates memory rehabilitation strategies for MS patients.
  • This review synthesizes evidence on the efficacy of memory rehabilitation interventions for individuals with MS.

Purpose of the Study:

  • To evaluate the effectiveness of memory rehabilitation in individuals with MS compared to control groups.
  • To assess outcomes related to memory function, broader cognitive abilities, and functional status (daily activities, mood, quality of life).
  • To analyze immediate, intermediate, and longer-term effects of memory rehabilitation interventions.

Main Methods:

  • A systematic review and meta-analysis of RCTs and quasi-RCTs involving memory or cognitive rehabilitation for MS.
  • Searched multiple databases including CENTRAL, ClinicalTrials.gov, Embase, PubMed, and others up to September 6, 2020.
  • Included studies comparing memory rehabilitation with control groups; excluded studies with memory deficits from other causes unless MS subgroups were identifiable.

Main Results:

  • Analysis of 44 studies (2714 participants) using memory retraining techniques (e.g., computer programs, memory aids).
  • At intermediate follow-up (1-6 months), memory rehabilitation showed significant benefits for subjective memory (SMD 0.23) and quality of life (SMD 0.30) with high-quality evidence.
  • Moderate benefits were observed for verbal memory (SMD 0.25) and information processing (SMD 0.27); no significant differences were found for visual memory, working memory, or activities of daily living.

Conclusions:

  • Memory rehabilitation demonstrates effectiveness for specific outcomes in individuals with MS at intermediate follow-up.
  • Interventions positively impact subjective memory, verbal memory, information processing, and quality of life.
  • Further high-quality, large-scale RCTs with long-term follow-up and robust methodology are needed to confirm efficacy and explore health economic outcomes.