Effects of Spaced Retrieval Training on Semantic Memory in Alzheimer's Disease: A Systematic Review PurposeThis article reports on a systematic review and meta-analysis of the effects of spaced retrieval training (SRT) on semantic memory in people with Alzheimer's disease (AD) or related disorder.MethodAn initial systematic database search identified 454 potential studies. After screening and de-duplication, 35 studies that used SRT with the population of ... Research Article
Research Article  |   February 01, 2014
Effects of Spaced Retrieval Training on Semantic Memory in Alzheimer's Disease: A Systematic Review
 
Author Affiliations & Notes
  • Shiri Oren
    University of British Columbia, Vancouver, British Columbia, Canada
  • Charlene Willerton
    University of British Columbia, Vancouver, British Columbia, Canada
  • Jeff Small
    University of British Columbia, Vancouver, British Columbia, Canada
  • Disclosure:The authors have declared that no competing interests existed at the time of publication.
    Disclosure:The authors have declared that no competing interests existed at the time of publication.×
  • Correspondence to Shiri Oren: shiri.oren@utoronto.ca
  • Editor: Janna Oetting
    Editor: Janna Oetting×
  • Associate Editor: Margaret Blake
    Associate Editor: Margaret Blake×
Article Information
Special Populations / Older Adults & Aging / Research Issues, Methods & Evidence-Based Practice / Attention, Memory & Executive Functions / Language
Research Article   |   February 01, 2014
Effects of Spaced Retrieval Training on Semantic Memory in Alzheimer's Disease: A Systematic Review
Journal of Speech, Language, and Hearing Research, February 2014, Vol. 57, 247-270. doi:10.1044/1092-4388(2013/12-0352)
History: Received November 6, 2012 , Revised March 28, 2013 , Accepted May 4, 2013
 
Journal of Speech, Language, and Hearing Research, February 2014, Vol. 57, 247-270. doi:10.1044/1092-4388(2013/12-0352)
History: Received November 6, 2012; Revised March 28, 2013; Accepted May 4, 2013
Web of Science® Times Cited: 1

PurposeThis article reports on a systematic review and meta-analysis of the effects of spaced retrieval training (SRT) on semantic memory in people with Alzheimer's disease (AD) or related disorder.

MethodAn initial systematic database search identified 454 potential studies. After screening and de-duplication, 35 studies that used SRT with the population of interest remained. The authors used an appraisal point system to evaluate the quality of the studies. Twelve of the 35 studies met inclusion and exclusion criteria and passed the appraisal point system cutoff. The 12 studies were classified as Level I and II evidence.

ResultsAlthough the 12 studies varied in terms of design, methodology, and quality, SRT was shown to have important positive effects on learning semantic information across the included studies.

ConclusionsThe findings indicate that SRT is an effective semantic memory training technique for people with AD, and consequently, recommendations are suggested for implementing SRT in practice settings. Continued research in this domain is also warranted to address limitations and gaps in the current body of research evidence, including variability in SRT protocols, effects of dementia severity on learning outcomes, maintenance effects, generalization, and the role of explicit and implicit learning in SRT.

Acknowledgments
We thank Charlotte Beck, reference librarian at the University of British Columbia, for providing consultation with database search strategies before and during the review process.
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