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Reaction Time Variability in Children With ADHD Symptoms and/or Dyslexia

Gooch, Deborah, Snowling, MJ and Hulme, C (2012) Reaction Time Variability in Children With ADHD Symptoms and/or Dyslexia Developmental Neuropsychology, 37 (5). pp. 453-472.

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Reaction time (RT) variability on a Stop Signal task was examined among children with attention deficit hyperactivity disorder (ADHD) symptoms and/or dyslexia in comparison to typically developing (TD) controls. Children’s go-trial RTs were analyzed using a novel ex-Gaussian method. Children with ADHD symptoms had increased variability in the fast but not the slow portions of their RT distributions compared to those without ADHD symptoms. The RT distributions of children with dyslexia were similar to those of TD-controls. It is argued that variability in responding may be underpinned by impairments in response preparation or timing during Stop Signal tasks.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Psychology
Authors :
Date : 16 July 2012
Identification Number : 10.1080/87565641.2011.650809
Copyright Disclaimer : Copyright © 2012 Taylor & Francis Group, LLC.
Depositing User : Melanie Hughes
Date Deposited : 19 Sep 2017 14:36
Last Modified : 20 Sep 2017 12:53

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