Anjana, Yumnam and Khaliq, Farah and Vaney, Neelam (2010) Event-related potentials study in attention deficit hyperactivity disorder. Functional Neurology, 25 (2). pp. 87-92. ISSN 1971-3274
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Abstract
Attention deficit hyperactivity disorder (ADHD) is a childhood disorder characterized by lack of sustained attention, hyperactivity and impulsivity. Children with ADHD have functional impairment occurring at multiple levels. In the present study, cognitive status was assessed using auditory event-related potentials (ERPs). Twenty ADHD children and 20 controls were recruited for the study and ERPs were recorded on a computerized evoked potential recorder, using the international 10-20 system of electrode placement. The ADHD children showed a statistically significant N200 latency prolongation and amplitude decrease compared with the controls; the latencies of the other waves, i.e. N100, P200, P300, were prolonged in the ADHD children but the difference versus the controls was statistically insignificant. Reaction time was significantly longer in the ADHD subjects as compared with the controls. The above findings are suggestive of dysfunctions in the discrimination of task-relevant stimuli and a slower motor response in ADHD children.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Attention deficit hyperactivity disorder, cognitive function, event-related potentials, information processing |
| Subjects: | 600 Tecnologia - Scienze applicate > 610 Medicina e salute (Classificare qui la tecnologia dei servizi medici) > 616 Malattie (classificare qui la Clinica medica, la medicina basata sull'evidenza, la Medicina interna, la Medicina sperimentale) > 616.8 Malattie del sistema nervoso e disturbi mentali (Classificare qui la Neuropsichiatria, la Neurologia) |
| Depositing User: | Danilo Dezzi |
| Date Deposited: | 06 Jan 2012 10:06 |
| Last Modified: | 08 Feb 2016 17:22 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/3531 |
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