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Time perception, phonological skills and executive function in children with dyslexia and/or ADHD symptoms

Gooch, Deborah, Snowling, M and Hulme, C (2010) Time perception, phonological skills and executive function in children with dyslexia and/or ADHD symptoms Journal of Child Psychology and Psychiatry, 52 (2). pp. 195-203.

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Deficits in time perception (the ability to judge the duration of time intervals) have been found in children with both attention-deficit/hyperactivity disorder (ADHD) and dyslexia. This paper investigates time perception, phonological skills and executive functions in children with dyslexia and/or ADHD symptoms (AS).


Children with dyslexia-only (n = 17), AS-only (n = 17), comorbid dyslexia+AS (n = 25), and typically developing controls (n = 42), matched for age and non-verbal ability, were assessed on measures of phonological skills, executive function and time perception (duration discrimination and time reproduction).


Children with dyslexia were impaired on measures of phonological skill and duration discrimination compared to children without dyslexia (though problems on duration discrimination appeared to be attributable to mild symptoms of inattention in this group). In contrast, children with AS exhibited impairments on measures of both time perception and executive function compared to children without AS. Children with dyslexia+AS showed an additive combination of the deficits associated with dyslexia-only and AS-only.


Dyslexia and AS appear to be associated with distinct patterns of cognitive deficit, which are present in combination in children with dyslexia+AS.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Psychology
Authors :
Date : 23 September 2010
Identification Number : 10.1111/j.1469-7610.2010.02312.x
Copyright Disclaimer : © 2010 The Authors. Journal of Child Psychology and Psychiatry. © 2010 Association for Child and Adolescent Mental Health
Depositing User : Melanie Hughes
Date Deposited : 15 Sep 2017 17:02
Last Modified : 15 Sep 2017 17:03

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