document: Emotion and self-control A biology-based model of choice is used to examine time-inconsistent preferences and the problem of self-control . Emotion is shown to be the biological substrate of choice , in that emotional systems assign value to ` goods ' in the environment and also facilitate the learning of expectations regarding alternative options for acquiring those goods . A third major function of the emotional choice systems is motivation . Self-control is shown to be the result of a problem with the inhibition of the motive force of emotion , where this inhibition is necessary for higher level deliberation
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