نبذة مختصرة : Tajik-Parvinchi et al Objective: Cognitive training entails the repeated exercise of a specific cognitive process over a period of time to improve performance on the trained task as well as on tasks that were not specifically trained (transfer effect). Cognitive training shows promise in remediating deficits in children with attention deficit/hyperactivity disorder (ADHD) – a disorder believed to stem from deficient cognitive processes – where the focus has been primarily on training working memory and attention. We discuss evidence from studies that have produced broad, limited, or no transfer effects with the goal of identifying factors that may be responsible for this heterogeneity. Results: There are several implicit assumptions that appear to drive researchers ’ decisions regarding both the selection of cognitive abilities to train as well as the training tasks chosen to target those abilities. We identify these implicit assumptions and their weaknesses. We also draw attention to design limitations that may be contributing to lack of transfer. Conclusion: Although the overall pattern of findings from these studies is promising, the methodological and theoretical limitations associated with the literature limit conclusions about the efficacy of cognitive training as a rehabilitation method for ADHD. We hypothesize several suggestions that may improve training effects and summarize the evidence which led to our hypotheses.
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