One-Handed People Doing Everyday Tasks (video) Cell Press Share Print E-Mail Loading video... Caption This video shows one-handed people who participated in the study doing everyday tasks. Credit Hahamy et al. Usage Restrictions Credit Required. Share Print E-Mail 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.