Mapping trait-like socio-affective phenotypes in rats through 50-kHz ultrasonic vocalizations
2018
Rationale
Fifty-kilohertz ultrasonic vocalizations (USV) in rats are believed to express inter-individual differences in trait-like positive affective phenotypes. Emission of 50-kHz USV can be induced by amphetamine (AMPH) to model mania-like positive affect, raising the possibility that predispositions for high 50-kHz USV production confer susceptibility to mania-like states. Such 50-kHz USV presumably express the sender’s motivation for social contact and elicit social approach behavior in receivers.
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