Cohen Neuron Alzheimers (IMAGE) University of North Carolina Health Care Caption Neurons treated with Alzheimer's-associated proteins exhibit drastic calcium increases (blue, green, yellow, red to white), and the cells form tau-filled beaded structures (shown with arrows) identical to neurons seen in Alzheimer's patients. Credit Cohen Lab, UNC School of Medicine Usage Restrictions credit properly 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.