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Journal of Abnormal Child Psychology

, Volume 6, Issue 1, pp 25–32 | Cite as

Dextroamphetamine and placebo practice effects on selective attention in hyperactive children

  • Mary Ann Fisher
Article

Abstract

Three groups of three boys referred to a hospital study unit for evaluation of hyperactive behavior were tested on a classification task involving selective attention while on either dextroamphetamine (D) or placebo (P). In two sessions, groups had D first, P second (DP), or PD, or PP. Amphetamine reduces response times in general and reduces interference due to orthogonally varying irrelevant information. Practice while on placebo improves performance in a subsequent placebo session. Practice while on amphetamine does not, however, improve performance in the subsequent session on placebo. Assessment of the extent of the drug-state-related practice effect is necessary for evaluation of long-term benefits of dextroamphetamine therapy in these children.

Keywords

Placebo Response Time Amphetamine Selective Attention Classification Task 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© Plenum Publishing Corporation 1978

Authors and Affiliations

  • Mary Ann Fisher
    • 1
  1. 1.Department of PsychologyUniversity of Maryland Baltimore CountyBaltimore

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