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Wiley InterScience

Journal of Child Psychology and Psychiatry

Journal of Child Psychology and Psychiatry

Volume 46 Issue 12, Pages 1337 - 1344

Published Online: 1 Mar 2005

Journal Compilation © 2010 ACAMH



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Examining the relationship between rightward visuo-spatial bias and poor attention within the normal child population using a brief screening task
Tom Manly 1 , Kim Cornish 2,3,4 , Cathy Grant 4 , Veronika Dobler 5 , Chris Hollis 4
  1 MRC Cognition and Brain Sciences Unit, Cambridge, UK ;   2 Neuroscience Laboratory for Research and Education in Developmental Disorders, McGill University, Montreal, Canada ;   3 Departments of Neurology and Neurosurgery, Faculty of Medicine, McGill University, Canada ;   4 Department of Psychiatry, University of Nottingham, UK ;   5 Department of Experimental Psychology, University of Cambridge, UK
Copyright 2005 Association for Child Psychology and Psychiatry
KEYWORDS
ADD/ADHD • assessment • attention • cerebral lateralisation • behaviour problems • neuropsychology

ABSTRACT

Background: Some previous studies have linked Attention Deficit Hyperactivity Disorder (ADHD) with a bias in spatial awareness away from the left. As genetic research suggests that ADHD may be better viewed as an extreme on a continuum rather than a distinct entity, here we examined this issue in boys from the normal population.

Method: From an initial sample of 1811, two groups of boys characterised by very high (n = 58) or very low (n = 68) levels of ADHD-type behaviours were formed. The groups completed the spatially sensitive Line Bisection test and more general measures of (non-spatial) attention and intellectual function.

Results: Boys whose bisections were consistent with relative inattention to the left indeed had higher ratings of ADHD-type behaviours and performed significantly more poorly on tests of sustained attention and executive function than boys whose bisections were in the normal range. In contrast, boys who showed extreme bisections in the opposite direction were not unusual either in ratings or test performance.

Conclusions: The results support an association between poor attention and a relative rightward bias in visual awareness that may stem from right hemisphere inefficiency.


Manuscript accepted 8 November 2004

DIGITAL OBJECT IDENTIFIER (DOI)
10.1111/j.1469-7610.2005.01432.x About DOI

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