Learning and Stress Shape the Reward Response Patterns of Serotonin Neurons and Dopamine Neurons
Material below summarizes the article Learning and Stress Shape the Reward Response Patterns of Serotonin Neurons, published on September 13, 2017, in JNeurosci and authored by Weixin Zhong, Yi Li, Qiru Feng, and Minmin Luo.
The ability to predict future events is critical for the survival of an organism. Prediction via associative learning can prepare animals to gain rewards while avoiding disadvantages.
Classical Pavlovian conditioning is an important means to create predictive associations. During conditioning, a previously neutral item — unconditioned stimulus (US), which can be either rewarding or aversive, is repeatedly paired with a biologically salient stimulus — conditioned stimulus (CS). The CS acquires importance after conditioning if it consistently predicts the occurrence of the US.
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About the Contributors
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