St. Pierre, Joel.
(Brock University, 2008-05-21)
Fifty kHz rat vocalizations are theorized to reflect a positive affective state, and index the
reward value of stimuli (Knutson, Burgdorf & Panksepp, 2002; Panksepp & Burgdorf, 2003;
Brudzynski,2005). Previous studies ...