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Why Do Birds Flock? A Role for Opioids in the Reinforcement of Gregarious Social Interactions
Conclusion
We propose that studies of songbirds reveal a novel network model for the integration of positive and negative reinforcement processes in non-sexual affiliative social behavior. Most studies on affiliative behavior focus on the positive affective state induced by social contact that rewards individuals interacting together. However, this review highlights that in social animals, affiliative contact is also reinforced because it reduces a negative affective state caused by social exclusion or isolation, thus creating a complementary system (i.e., positive reinforcement from affiliative interactions and negative ...
Source: Frontiers in Physiology - April 11, 2019 Category: Physiology Source Type: research
