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State-dependent learning in hyperactive children receiving methylphenidate

Published Online:https://doi.org/10.1176/ajp.142.4.455

State-dependent learning refers to a failure of learning mastered under one drug condition to be remembered when tested under another drug condition. Previous studies of state-dependent learning in hyperactive children receiving stimulants have yielded conflicting results. The authors systematically evaluated learning and transfer of learning in children who were or were not receiving methylphenidate and included several design features intended to optimize the likelihood of demonstrating state-dependent learning. They found no evidence of state- dependent learning. These results diminish concern regarding state- dependent effects in hyperactive children who are positive drug responders and who are clinically administered methylphenidate to control their hyperactivity.

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