This volume looks at the latest advancements at the forefront of cellular, circuit, and neural network imaging in the brain. The chapters in this book cover topics such as super resolution imaging at the level of molecules and nanoscopic cellular compartments; the monitoring of individual synapses; physiological communication inside and among neurons and astrocytes; and the activity of targeted multi-cellular ensembles and selected populations of neurons. In the Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your laboratory. Cutting-edge and authoritative, Fluorescence Imaging of the Brain is a valuable resource for both novice and experienced researchers who are interested in learning more about this rapidly evolving area of optical methods and approaches that employ fluorescence sensors to better understand the versatile brain machinery.