, Volume 25, Issue 3, pp 262–274 | Cite as

The effect of methylphenidate (Ritalin) on sustained attention in hyperactive children

  • Donald H. Sykes
  • Virginia I. Douglas
  • Gert Morgenstern
Human Pharmacology


Using a double-blind cross-over design, the effect of methylphenidate on the performance of 23 hyperactive children on four tasks measuring different aspects of attention was investigated. While receiving methylphenidate the hyperactive children showed a significant improvement in all aspects of their performance which had, in comparison to a control group of normal children, been initially impaired. Furthermore, methylphenidate produced a significant improvement in performance in those behaviours which had not been initially impaired.

Key words

Hyperactive Children Attention Experimenter-Paced Task Self-Paced Task Reaction Time Methylphenidate 


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Copyright information

© Springer-Verlag 1972

Authors and Affiliations

  • Donald H. Sykes
    • 1
  • Virginia I. Douglas
    • 1
  • Gert Morgenstern
    • 1
  1. 1.Departments of Psychology and PsychiatryMcGill University and the Montreal Children's HospitalCanada

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