Changes in verbal and visuospatial working memory from Grade 1 to Grade 3 of primary school: Population longitudinal study

E Nicolaou, Jon Quach, Jarrad Anthony Lum, Gehan Roberts, M. Spencer-Smith, Susan Gathercole, P. J. Anderson, Fiona Mensah, Melissa Wake

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Background: Adaptive working memory training is being implemented without an adequate understanding of developmental trajectories of working memory. We aimed to quantify from Grade 1 to Grade 3 of primary school (1) changes in verbal and visuospatial working memory and (2) whether low verbal and visuospatial working memory in Grade 1 predicts low working memory in Grade 3. Method: The study design includes a population-based longitudinal study of 1,802 children (66% uptake from all 2,747 Grade 1 students) at 44 randomly selected primary schools in Melbourne, Australia. Backwards Digit Recall (verbal working memory) and Mister X (visuospatial working memory) screening measures from the Automated Working Memory Assessment (M = 100; SD = 15) were used to assess Grades 1 and 3 (ages 6–7 and 8–9 years) students. Low working memory was defined as ≥1 standard deviation below the standard score mean. Descriptive statistics addressed Aim 1, and predictive parameters addressed Aim 2. Results: One thousand seventy (59%) of 1802 Grade 1 participants were reassessed in Grade 3. As expected for typically developing children, group mean standard scores were similar in Grades 1 and 3 for verbal, visuospatial, and overall working memory, but group mean raw scores increased markedly. Compared to “not low” children, those classified as having low working memory in Grade 1 showed much larger increases in both standard and raw scores across verbal, visuospatial, and overall working memory. Sensitivity was very low for Grade 1 low working memory predicting Grade 3 low classifications. Conclusion: Although mean changes in working memory standard scores between Grades 1 and 3 were minimal, we found that individual development varied widely, with marked natural resolution by Grade 3 in children who initially had low working memory. This may render brain-training interventions ineffective in the early school year ages, particularly if (as population-based programmes usually mandate) selection occurs within a screening paradigm.

Original languageEnglish
Pages (from-to)392-400
Number of pages9
JournalChild: Care, Health and Development
Volume44
Issue number3
DOIs
Publication statusPublished - 1 May 2018

Keywords

  • child development
  • longitudinal changes
  • primary school
  • working memory

Cite this

Nicolaou, E ; Quach, Jon ; Lum, Jarrad Anthony ; Roberts, Gehan ; Spencer-Smith, M. ; Gathercole, Susan ; Anderson, P. J. ; Mensah, Fiona ; Wake, Melissa. / Changes in verbal and visuospatial working memory from Grade 1 to Grade 3 of primary school : Population longitudinal study. In: Child: Care, Health and Development. 2018 ; Vol. 44, No. 3. pp. 392-400.
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abstract = "Background: Adaptive working memory training is being implemented without an adequate understanding of developmental trajectories of working memory. We aimed to quantify from Grade 1 to Grade 3 of primary school (1) changes in verbal and visuospatial working memory and (2) whether low verbal and visuospatial working memory in Grade 1 predicts low working memory in Grade 3. Method: The study design includes a population-based longitudinal study of 1,802 children (66{\%} uptake from all 2,747 Grade 1 students) at 44 randomly selected primary schools in Melbourne, Australia. Backwards Digit Recall (verbal working memory) and Mister X (visuospatial working memory) screening measures from the Automated Working Memory Assessment (M = 100; SD = 15) were used to assess Grades 1 and 3 (ages 6–7 and 8–9 years) students. Low working memory was defined as ≥1 standard deviation below the standard score mean. Descriptive statistics addressed Aim 1, and predictive parameters addressed Aim 2. Results: One thousand seventy (59{\%}) of 1802 Grade 1 participants were reassessed in Grade 3. As expected for typically developing children, group mean standard scores were similar in Grades 1 and 3 for verbal, visuospatial, and overall working memory, but group mean raw scores increased markedly. Compared to “not low” children, those classified as having low working memory in Grade 1 showed much larger increases in both standard and raw scores across verbal, visuospatial, and overall working memory. Sensitivity was very low for Grade 1 low working memory predicting Grade 3 low classifications. Conclusion: Although mean changes in working memory standard scores between Grades 1 and 3 were minimal, we found that individual development varied widely, with marked natural resolution by Grade 3 in children who initially had low working memory. This may render brain-training interventions ineffective in the early school year ages, particularly if (as population-based programmes usually mandate) selection occurs within a screening paradigm.",
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Changes in verbal and visuospatial working memory from Grade 1 to Grade 3 of primary school : Population longitudinal study. / Nicolaou, E; Quach, Jon; Lum, Jarrad Anthony; Roberts, Gehan; Spencer-Smith, M.; Gathercole, Susan; Anderson, P. J.; Mensah, Fiona; Wake, Melissa.

In: Child: Care, Health and Development, Vol. 44, No. 3, 01.05.2018, p. 392-400.

Research output: Contribution to journalArticleResearchpeer-review

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