Purpose: To see how the brain controls finger movements

Requirements:

Child with or without diagnosis of Attention Deficit Hyperactivity Disorder
6 to 13 years of age -3 hours of availability 
Proximity to NIH (Bethesda, MD) 
Study information: 

Non-invasive, no needles
Neurological examination
Single-pulse Transcranial Magnetic Stimulation (TMS)
EMG using surface electrodes
ADHD assessment o Compensation provided