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Brief report: Response inhibition and processing speed in children with motor difficulties and developmental coordination disorder

Brief report: Response inhibition and processing speed in children with motor difficulties and developmental coordination disorder

Bernardi, Marialivia ORCID: 0000-0002-6844-0358, Leonard, Hayley C., Hill, Elisabeth L. and Henry, Lucy A. (2015) Brief report: Response inhibition and processing speed in children with motor difficulties and developmental coordination disorder. Child Neuropsychology, 22 (5). pp. 627-634. ISSN 0929-7049 (Print), 1744-4136 (Online) (doi:https://doi.org/10.1080/09297049.2015.1014898)

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Abstract

A previous study reported that children with poor motor skills, classified as having motor difficulties (MD) or Developmental Coordination Disorder (DCD), produced more errors in a motor response inhibition task compared to typically developing (TD) children but did not differ in verbal inhibition errors. The present study investigated whether these groups differed in the length of time they took to respond in order to achieve these levels of accuracy, and whether any differences in response speed could be explained by generally slow information processing in children with poor motor skills. Timing data from the Verbal Inhibition Motor Inhibition test were analyzed to identify differences in performance between the groups on verbal and motor inhibition, as well as on processing speed measures from standardized batteries. Although children with MD and DCD produced more errors in the motor inhibition task than TD children, the current analyses found that they did not take longer to complete the task. Children with DCD were slower at inhibiting verbal responses than TD children, while the MD group seemed to perform at an intermediate level between the other groups in terms of verbal inhibition speed. Slow processing speed did not account for these group differences. Results extended previous research into response inhibition in children with poor motor skills by explicitly comparing motor and verbal responses, and suggesting that slow performance, even when accurate, may be attributable to an inefficient way of inhibiting responses, rather than slow information processing speed per se.

Item Type: Article
Uncontrolled Keywords: Response inhibition, processing speed, motor difficulties, developmental coordination disorder, executive functioning
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Faculty / Department / Research Group: Faculty of Education & Health
Faculty of Education & Health > Department of Psychology, Social Work & Counselling
Last Modified: 12 Jul 2019 15:48
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/24600

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