Dartmouth Professor Jeffrey Taube (IMAGE) Dartmouth College Caption In studying head direction cells and other neurons, Dartmouth Professor Jeffrey Taube and his colleagues have found the first direct evidence showing how the vestibular system's horizontal canals play a key role in sensing our direction in the environment. Credit Dartmouth College Usage Restrictions Credit Dartmouth College 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.