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The Effect of Social Experience on Serotonergic Modulation of the Escape Circuit of Crayfish
The neuromodulator serotonin has widespread effects in the nervous systems of many animals, often influencing aggression and dominance status. In crayfish, the effect of serotonin on the neural
Conservation of structure, signaling and pharmacology between two serotonin receptor subtypes from decapod crustaceans, Panulirus interruptus and Procambarus clarkii
TLDR
The first functional expression of a crustacean 5-HT1 receptor is reported, and it is shown that it inhibits accumulation of cAMP.
Dual and Opposing Modulatory Effects of Serotonin on Crayfish Lateral Giant Escape Command Neurons
TLDR
The dependence of the neuromodulatory effect on dose, rate, and duration of modulator application may be relevant to understanding the effects of natural neurommodulation on behavior and cognition and to the design of drug therapies.
Serotonin, social status and aggression
Direct Benefits of Social Dominance in Juvenile Crayfish
TLDR
The results of these experiments show that the disposition of crayfish to engage in fighting and formation of a dominance hierarchy in a featureless environment serves to determine future access to an emerging resource, thereby entailing greater benefits for animals of higher social rank.
Escape behavior and escape circuit activation in juvenile crayfish during prey–predator interactions
TLDR
Investigation of encounters between juvenile crayfish and large dragonfly nymphs in freely behaving animals using a combination of high-speed video-recordings and measurements of electric field potentials found tail flipping to be a successful behavior in preventing predation.
The neural basis of dominance hierarchy formation in crayfish
TLDR
The social behavior that crayfish display in the wild and in the laboratory is considered, and its relationship to movements released by activation of specific neural circuits is considered.
Role of the olfactory pathway in agonistic behavior of crayfish, Procambarus clarkii
TLDR
Examination of the importance of aesthetasc sensilla—olfactory sensors on the antennules of decapod crustaceans—in regulating changes in fighting behavior in crayfish, Procambarus clarkii, over the course of repeated pairings shows that aesthetASCs regulate fighting behavior.
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