CA1 pyramidal neuron (IMAGE) Heinrich-Heine University Duesseldorf Caption Microscopic fluorescence lifetime image of a CA1 pyramidal neuron in the hippocampus of a mouse. The neuron was filled with the sodium-sensitive indicator ING-2 using a so-called patch pipette. Credit HHU / Niklas J. Gerkau, Institute of Neurobiology Usage Restrictions No restrictions. License Public Domain 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.