Odour conditioning of positive affective states: Rats can learn to associate an odour with being tickled
V. Bombail, N. Jerome, H. Lam, S. Muszlak, S. Meddle, A. B. Lawrence, B. L. Nielsen
This study shows that rats can learn to associate an odour with the positive experience of being tickled, as evidenced by increased ultrasonic vocalizations.
bioRxiv · Feb 14, 2019Animal Behavior & Cognition