M Schneider, W Retz, C Freitag, J Irsch, P Graf, P Retz-Junginger, M Rösler
{"title":"Impaired cortical inhibition in adult ADHD patients: a study with transcranial magnetic stimulation.","authors":"M Schneider, W Retz, C Freitag, J Irsch, P Graf, P Retz-Junginger, M Rösler","doi":"10.1007/978-3-211-73574-9_37","DOIUrl":null,"url":null,"abstract":"<p><p>The aim of this study was to analyze motor inhibition and facilitation of adult ADHD patients using double pulse transcranial magnetic stimulation (TMS). Twenty-six right handed adult ADHD patients according to DSM-IV were investigated and compared to 26 age and sex-matched controls. In the left hemisphere, mean motor inhibition was 0.53 +/- 0.33 (mean +/- SD) in ADHD patients and 0.34 +/- 0.16 (mean +/- SD) in controls (p = 0.012). There were no significant differences in motor excitability concerning facilitation or in the right hemisphere. Decreased motor inhibition correlated with a higher symptom score derived from the Wender Reimherr Interview (WRI) (p = 0.28; p = 0.04) and also with self rated hyperactivity/impulsivity symptoms (p = 0.30; p = 0.03). In conclusion, decreased motor inhibition in adult ADHD corroborate similar findings in children with ADHD (Moll et al., 2000) and reflect disturbed impulsivity and hyperactivity on a neurophysiological level.</p>","PeriodicalId":16395,"journal":{"name":"Journal of Neural Transmission-supplement","volume":" 72","pages":"303-9"},"PeriodicalIF":0.0000,"publicationDate":"2007-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"36","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Neural Transmission-supplement","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/978-3-211-73574-9_37","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 36
Abstract
The aim of this study was to analyze motor inhibition and facilitation of adult ADHD patients using double pulse transcranial magnetic stimulation (TMS). Twenty-six right handed adult ADHD patients according to DSM-IV were investigated and compared to 26 age and sex-matched controls. In the left hemisphere, mean motor inhibition was 0.53 +/- 0.33 (mean +/- SD) in ADHD patients and 0.34 +/- 0.16 (mean +/- SD) in controls (p = 0.012). There were no significant differences in motor excitability concerning facilitation or in the right hemisphere. Decreased motor inhibition correlated with a higher symptom score derived from the Wender Reimherr Interview (WRI) (p = 0.28; p = 0.04) and also with self rated hyperactivity/impulsivity symptoms (p = 0.30; p = 0.03). In conclusion, decreased motor inhibition in adult ADHD corroborate similar findings in children with ADHD (Moll et al., 2000) and reflect disturbed impulsivity and hyperactivity on a neurophysiological level.
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