期刊
FRONTIERS IN BEHAVIORAL NEUROSCIENCE
卷 4, 期 -, 页码 -出版社
FRONTIERS RES FOUND
DOI: 10.3389/fnbeh.2010.00163
关键词
dopamine; octopamine; biogenic amine; catecholamine; nucleus accumbens; motivation; reward
资金
- Australian Research Council [DP0986021]
- iMQRES scholarship
- Macquarie University
Motile animals actively seek out and gather resources they find rewarding, and this is an extremely powerful organizer and motivator of animal behavior. Mammalian studies have revealed interconnected neurobiological systems for reward learning, reward assessment, reinforcement and reward-seeking; all involving the biogenic amine dopamine. The neurobiology of reward-seeking behavioral systems is less well understood in invertebrates, but in many diverse invertebrate groups, reward learning and responses to food rewards also involve dopamine. The obvious exceptions are the arthropods in which the chemically related biogenic amine octopamine has a greater effect on reward learning and reinforcement than dopamine. Here we review the functions of these biogenic amines in behavioral responses to rewards in different animal groups, and discuss these findings in an evolutionary context.
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