WASHINGTON, Dec. 2 [Category: Medical] -- Optica, formerly the Optical Society, posted the following news release: * * * Miniature microscope captures real-time voltage signals in awake animals. * Device could expand understanding of neural activity, leading to new treatments for neurological and neurodegenerative disorders  WASHINGTON Researchers have built a tiny, lightweight microscope that captures neuron activity with unprecedented speed that can be used in freely moving animals. The   more