Q-Motor Finger Tapping (IMAGE) IOS Press Caption Q-Motor finger tapping in children using a force sensor (digitomatography) showing age-related change in motor function. Credit National Institute of Neurological Disorders Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.