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Heterogeneity of short-term memory deficits in children with dyslexia.

Sarah WokuriCorentin GonthierNathalie Marec-BretonSteve Majerus
Published in: Dyslexia (Chichester, England) (2023)
Many studies have highlighted short-term memory (STM) impairment in dyslexic individuals. Several studies showed deficits for both item and serial order aspects of verbal STM in dyslexic individuals. These group-based studies, however, do not inform us about the prevalence of these deficits and, importantly, their potential heterogeneity at the individual level. The present study examined both group-level and individual STM profiles in dyslexic and age-matched non-dyslexic children. While confirming previous group-based results of both item and serial order STM deficits, individual analyses indicated two distinct profiles: one profile was associated with verbal item STM and phonological impairment while another profile showed selective serial STM deficits in both verbal and visual domains. Our results highlight the need for practitioners to consider the heterogeneous nature of STM impairment in dyslexia and to adapt STM and reading treatment strategies accordingly.
Keyphrases
  • working memory
  • traumatic brain injury
  • young adults
  • case control
  • primary care
  • psychometric properties
  • general practice