Scardochio, Tina The Effects of Electrical and Optical Stimulation of Midbrain Dopaminergic Neurons on Rat 50-kHz Ultrasonic Vocalizations. [electronic resource] - Frontiers in behavioral neuroscience 2015 - 331 p. digital Publication Type: Journal Article ISSN: 1662-5153 Standard No.: 10.3389/fnbeh.2015.00331 doi