How the Brain Dials up Volume to Hear Someone in a Crowd (image) The Zuckerman Institute at Columbia University Share Print E-Mail Caption This is a visualization of brain activity in a multi-speaker environment. Credit Columbia's Zuckerman Institute Usage Restrictions Please contact Zuckerman press office for permissions. 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.