Electrode Implanted in Hippocampus (image) Weizmann Institute of Science Share Print E-Mail Caption Electrode (yellow dots) implanted in the hippocampus of a patient undergoing epilepsy monitoring, viewed with MRI. Colors indicate sub regions of the hippocampus. Sharp wave ripples appear most prominently in the CA1 region, shown in red. Credit Weizmann Institute of Science 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.