What a rat's ultrasonic call can tell us about food-related pleasure

Understanding however the encephalon processes rewarding experiences could assistance researchers amended recognize behaviors specified arsenic overeating, arsenic good arsenic conditions specified arsenic anhedonia—the inability to acquisition pleasure, a communal grounds of depression. One mode researchers survey reward-related processes is done carnal models. In rats, ultrasonic vocalizations (USVs), sounds that are excessively high-pitched for humans to hear, are associated with assorted affectional and motivational states, including responses to rewarding stimuli.