Biocytin (image) University of Bonn Share Print E-Mail Caption In the tissue of patients with temporal lobe epilepsy, the biocytin remains in the cell that was initially filled. It cannot spread to neighboring cells since the cells are uncoupled. Credit Photo: Institute of Cellular Neurosciences/University of Bonn Usage Restrictions This photo may be used with the press release. 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.