
Research reportEffects of varying reinforcement probability on pavlovian approach behavior and ultrasonic vocalizations in rats
Keywords: محرک بی قید و شرط; USV; ultrasonic vocalization; FM; frequency modulated; FF; fixed frequency; CS; conditioned stimulus; US; unconditioned stimulus; CR; conditioned response; Ultrasonic vocalizations; Sucrose; Affect; Pavlovian conditioning;