Stop and look! Evidence for a bias towards virtual navigation response strategies in children with ADHD symptoms.

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ID: 82094
2016
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Abstract
Studies in children show that the development of spatial competence emerges between seven and eight years of age. Multiple memory systems (hippocampus-dependent spatial and caudate nucleus-dependent response learning) are involved in parallel processing of information during navigation. As a hippocampus-dependent spatial strategy also relies on frontoparietal executive control and working memory networks that are impaired in ADHD, we predicted that children will be more likely to adopt a response strategy as they exhibit ADHD symptoms. We tested 285 healthy children on a virtual radial-arm maze paradigm in order to test this hypothesis. We found that children displaying at least one ADHD symptom were more likely to have a perfect performance on a probe trial, which suggests that they did not rely on environmental landmarks. Children with ADHD symptoms may primarily rely on caudate nucleus-dependent response learning strategies at the expense of hippocampus-dependent spatial strategies. Repetition and reward based learning strategies, which are hallmarks of response learning, may be most effective in children exhibiting ADHD symptoms.
Reference Key
robaey2016stopbehavioural Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Robaey, Philippe;McKenzie, Sam;Schachar, Russel;Boivin, Michel;Bohbot, Veronique D;
Journal Behavioural brain research
Year 2016
DOI
10.1016/j.bbr.2015.08.019
URL
Keywords
Children hippocampus adhd caudate nucleus spatial memory twins navigational strategy

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