Mary Buchanan, Study Participant (1 of 2) (IMAGE) Georgia Institute of Technology Research News Caption Mary Buchanan participates in one of the first studies demonstrating that the costs of emotion regulation vary across age groups. Credit Georgia Tech Photo: Gary Meek 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.