Ultrasonic vocalizations in rats anticipating circadian feeding schedules

Ultrasonic vocalizations as indices of affective states in rats.

Brian Knutson, Jeffrey Burgdorf, Jaak Panksepp · Psychological Bulletin · 2002 · 610 citations

Ultrasonic Vocalizations, Psychoacoustics, Affective Neuroscience +17

The "Other" Circadian System: Food as a Zeitgeber

Friedrich K. Stephan · Journal of Biological Rhythms · 2002 · 526 citations

Nutrition, Sleep, Longevity +6

Ultrasonic vocalizations of rats (Rattus norvegicus) during mating, play, and aggression: Behavioral concomitants, relationship to reward, and self-administration of playback..

Jeffrey Burgdorf, Roger A. Kroes, Joseph R. Moskal et al. · Journal of comparative psychology · 2008 · 462 citations

Ultrasonic Vocalizations, Affective Neuroscience, Social Sciences +16

Twenty-two kHz alarm cries to presentation of a predator, by laboratory rats living in visible burrow systems

Robert J. Blanchard, D. Caroline Blanchard, Rachel Agullana et al. · Physiology & Behavior · 1991 · 454 citations

Animal Behaviour, Behavioral Sciences, Engineering +8

Anticipation of play elicits high-frequency ultrasonic vocalizations in young rats.

Brian Knutson, Jeffrey Burgdorf, Jaak Panksepp · Journal of comparative psychology · 1998 · 447 citations

High-frequency Ultrasonic Vocalizations, Psychoacoustics, Neuropsychology +24