Why Do Babies Cry? (video) FECYT - Spanish Foundation for Science and Technology Share Print E-Mail Loading video... Caption Spanish researchers have studied adults' accuracy in the recognition of the emotion causing babies to cry. Eye movement and the dynamic of the cry play a key role in recognition. Credit SINC Usage Restrictions None 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.