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Methylphenidate Effect in Children With ADHD Can Be Measured by an Ecologically Valid Continuous Performance Test Embedded in Virtual Reality

Published online by Cambridge University Press:  07 November 2014

Yehuda Pollak ,
Hanan Barhoum Shomaly ,
Patrice L. Weiss ,
Albert A. Rizzo  and
Varda Gross-Tsur
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Abstract

Background: Continuous performance tasks (CPTs) embedded in a virtual reality (VR) classroom environment have been shown to be a sensitive and user-friendly assessment tool to detect cognitive deficits related to attention-deficit/hyperactivity disorder (ADHD). The aim of the current study was to compare the performance of children with ADHD on a VR-CPT while on and off treatment with methylphenidate (MPH) and to compare the VR-CPT to a cgrrently used CPT, Test of Variables of Attention (TOVA).

Methods:Twenty-seven children with ADHD underwent the VR-CPT, the same CPT without VR (no VR-CPT), and theTOVA, 1 hour after the. ingestion of either placebo or 0.3 mg/kg MPH, in a double-blind, placebo-controlled, crossover design. Immediately following CPT, subjects described their subjective experiences on the Short Feedback Questionnaire.

Results: MPH reduced omission errors to a greater extent on the VR-CPT compared to the no VR-CPT and the TOVA, and decreased other CPT measures on all types of CPT to a similar degree. Children rated the VR-CPT as more enjoyable compared to the other types of CPT.

Conclusions: It is concluded that the VR-CPT is a sensitive and user-friendly assessment tool in measuring the response to MPH in children with ADHD.

Type
Original Research
Information
CNS Spectrums , Volume 15 , Issue 2 , February 2010 , pp. 125 - 130
Copyright
Copyright © Cambridge University Press 2010

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