Nima Mesgarani, Columbia University (image) The Zuckerman Institute at Columbia University Share Print E-Mail Caption Dr. Mesgrani's experimental brain-controlled hearing aid (depicted on screen) offers a promising solution to the cocktail party problem that plagues today's hearing aids. Credit Diane Bondareff for Columbia Technology Ventures 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.