Illustration (IMAGE) University of Southern California Caption Since 2019, Lauren Klein has been researching computer science and child development at the USC Interaction Lab. She is developing an automated system to model and support infant-caregiver interactions by detecting signs of toxic stress. Credit Mikyung Lee Usage Restrictions None License Original 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.