1. Caffiene, Learning and Drosophila Melanogaster
... presented, activity in dopamine neurons conditions the organism to expect a reward the next time the same stimulus is presented (Suri, 1999). If an animal is repeatedly exposed to a certain cue stimulus followed by a reward, it will learn to use the stimulus as a method of predicting the arrival of a reward. An interval of time of the arrival of the reward is often associated with this ... type of training. As seen in figure 3, a short spike in neuronal activity occurs when the reward is received. Later in training, this burst occurs at the time of the cue stimulus rather than at the ti...
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- Grade Level: Undergraduate