Biological psychiatry · 2005
Transcranial magnetic stimulation-evoked cortical inhibition: a consistent marker of attention-deficit/hyperactivity disorder scores in tourette syndrome.
Клиническое исследованиеСравнительное исследованиеСтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАПоддержка службы здравоохранения СШАНазвание и аннотация: Перевод пока не подготовлен
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Gilbert Donald L, Sallee Floyd R, Zhang Jie, Lipps Tara D, Wassermann Eric M
Аннотация
BACKGROUND: Prior case-control studies using Transcranial Magnetic Stimulation (TMS) to probe the neural inhibitory circuitry of Attention Deficit Hyperactivity Disorder (ADHD), Tourette Syndrome (TS), and Obsessive Compulsive Disorder (OCD), have yielded conflicting results. Using regression analysis in TS patients with tics, ADHD, and/or OCD symptoms, all ranging from none to severe, we previously found that TMS-evoked short interval intracortical inhibition (SICI) correlated inversely with ADHD scores. We sought to validate this observation.
METHODS: We used regression to estimate the consistency of the association between ADHD symptom scores and TMS-evoked SICI at two separate visits in 28 children and adults with TS.
RESULTS: ADHD scores correlated significantly and consistently with SICI, particularly in patients not taking dopamine receptor blockers (r=.60 and r=.58). Hyperactivity, not inattention, scores accounted for ADHD-related variance in SICI.
CONCLUSIONS: SICI reliably reflects the severity of hyperactivity in children and adults with TS.
METHODS: We used regression to estimate the consistency of the association between ADHD symptom scores and TMS-evoked SICI at two separate visits in 28 children and adults with TS.
RESULTS: ADHD scores correlated significantly and consistently with SICI, particularly in patients not taking dopamine receptor blockers (r=.60 and r=.58). Hyperactivity, not inattention, scores accounted for ADHD-related variance in SICI.
CONCLUSIONS: SICI reliably reflects the severity of hyperactivity in children and adults with TS.
Предметные рубрики MeSH
AdolescentAdultAttention Deficit Disorder with HyperactivityCerebral CortexChildDopamine AntagonistsElectric StimulationEvoked Potentials, MotorFemaleHumansMaleMiddle AgedNeural InhibitionNeuropsychological TestsRegression AnalysisReproducibility of ResultsSeverity of Illness IndexStatistics, NonparametricTourette SyndromeTranscranial Magnetic Stimulation