Effects of methylphenidate on complex cognitive processing in attention-deficit hyperactivity disorder.

Abstract

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Psychiatric, Psychosocial, and Cognitive Functioning of Female Adolescents With ADHD

“…By contrast, one study suggested that girls may be less vulnerable Female Adolescents with ADHD 4 to the executive deficits displayed by boys since ADHD females and control females exhibited similar performance on tests of executive functioning (Seidman et al, 1997). However, a major confounding factor in Seidman et al's study was that 84% the ADHD females were medicated at the time of the assessment, medications (such as methylphenidate) well known to affect cognitive function (e.g., Berman et al, 1999). Moreover, it is not known whether these findings generalize to adolescents.…”

An Investigation into the Relationship Among ADHD Symptomatology, Creativity, and Neuropsychological Functioning in Children

“…Participation was voluntary and included parental and child consent. Ninety percent (n=26) of the children diagnosed with ADHD were taking the short-acting form of methylphenidate as medication for the disorder and were asked not to take their medication 24 hours prior to the day of testing as stimulant medications are known to affect cognitive functioning (Berman, Douglas & Barr, 1999). On the day of testing, it was confirmed with parents that the child had not been given their ADHD medication.…”

Impact of ADHD on the Neurocognitive Functioning of Adolescents with Bipolar Disorder

“…Parents of 23 children on stimulant medication (53.3% of the ADHD group and 58.3% of the combined group) were asked not to give their child this medication on the morning of testing as stimulant medications can improve the behavior as well as the cognitive functioning of children taking the medication (Berman et al 1999), potentially confounding the results.…”