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Sweet Success, Bitter Defeat: A Taste Phenotype Predicts Social Status In Selectively Bred Rats., Clinton Chapman, Nancy Dess, John Eaton
Sweet Success, Bitter Defeat: A Taste Phenotype Predicts Social Status In Selectively Bred Rats., Clinton Chapman, Nancy Dess, John Eaton
Clinton D Chapman
For social omnivores such as rats and humans, taste is far more than a chemical sense activated by food. By virtue of evolutionary and epigenetic elaboration, taste is associated with negative affect, stress vulnerability, responses to psychoactive substances, pain, and social judgment. A crucial gap in this literature, which spans behavior genetics, affective and social neuroscience, and embodied cognition, concerns links between taste and social behavior in rats. Here we show that rats selectively bred for low saccharin intake are subordinate to high-saccharin-consuming rats when they compete in weight-matched dyads for food, a task used to model depression. Statistical and …