Cognitive training deep dive: The impact of child, training behavior and environmental factors within a controlled trial of cogmed for fragile X syndrome

Haleigh Scott, Danielle J. Harvey, Yueju Li, Yingratana A. McLennan, Cindy K. Johnston, Ryan Shickman, Joseph Piven, Julie B. Schweitzer, David R Hessl

Research output: Contribution to journalArticlepeer-review

Abstract

Children with fragile X syndrome (FXS) exhibit deficits in a variety of cognitive processes within the executive function domain. As working memory (WM) is known to support a wide range of cognitive, learning and adaptive functions, WM computer-based training programs have the potential to benefit people with FXS and other forms of intellectual and developmental disability (IDD). However, research on the effectiveness of WM training has been mixed. The current study is a follow-up “deep dive” into the data collected during a randomized controlled trial of Cogmed (Stockholm, Sweden) WM training in children with FXS. Analyses characterized the training data, identified training quality metrics, and identified subgroups of participants with similar training patterns. Child, parent, home environment and training quality metrics were explored in relation to the clinical outcomes during the WM training intervention. Baseline cognitive level and training behavior metrics were linked to gains in WM performance-based assessments and also to reductions in inattention and other behaviors related to executive functioning during the intervention. The results also support a recommendation that future cognitive intervention trials with individuals with IDD such as FXS include additional screening of participants to determine not only baseline feasibility, but also capacity for training progress over a short period prior to inclusion and randomization. This practice may also better identify individuals with IDD who are more likely to benefit from cognitive training in clinical and educational settings.

Original languageEnglish (US)
Article number671
Pages (from-to)1-14
Number of pages14
JournalBrain Sciences
Volume10
Issue number10
DOIs
StatePublished - Oct 2020

Keywords

  • Cognitive training
  • FMR1 gene
  • FMRP
  • Fragile X syndrome
  • Intellectual disability
  • Treatment
  • Working memory

ASJC Scopus subject areas

  • Neuroscience(all)

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