The role of serotonin in the modulation of cooperative behavior

Paula, José R. ; Messias, João P. ; Grutter, Alexandra S. ; Bshary, Redouan ; Soares, Marta C.

In: Behavioral Ecology, 2015, vol. 26, no. 4, p. 1005-1012

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    We examined the modulatory role of serotonin in cooperation between unrelated individuals. The identification of the neurohormonal candidates that may modulate levels of cooperation in marine cleaning mutualisms has been a major aim in recent years. Our results provide evidence that serotonin is a driver of cooperative behavioral activities and contribute to the understanding of neural pathways of cooperation, which aim to unravel the basic drive of animal tendencies to cooperate with others