Ultrasonic vocalizations in rats anticipating circadian feeding schedules

•Activity and ultrasonic vocalizations (USVs) were recorded for 2h or 24h in rats fed ad libitum or 2h per day in the light period.•Food restricted rats exhibited a daily rhythm of food anticipatory activity.•Food anticipation was accompanied by FM and flat ∼50kHz USVs.•Flat ∼50kHz USVs were more de...

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Veröffentlicht in:	Behavioural brain research 2015-05, Vol.284, p.42-50
Hauptverfasser:	Opiol, Hanna, Pavlovski, Ilya, Michalik, Mateusz, Mistlberger, Ralph E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Actigraphy Animals Anticipation, Psychological Circadian Rhythm Dopamine Feeding Behavior Food anticipation Male Motor Activity Photoperiod Rats, Sprague-Dawley - psychology Restricted feeding Reward Sound Spectrography Ultrasonic vocalization Ultrasonics Vocalization, Animal
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