Calcium Imaging
In the image below are shown neuronal network activity of a 2-Dimensional culture of dissociated embryonic day 18 rat cortical neurons visualized using calcium-sensitive fluorescent marker Fluo-5F. With thanks to Michelle Kuykendal, Gareth Guvanasen, Steve Potter, and Stephen DeWeerth. July 2009, Georgia Institute of Technology. http://www.neuro.gatech.edu/