Dan Gilbert is a social psychologist at Harvard University. He is known for his research in cognitive biases (systematic errors in our thinking) and affective forecasting (predicting one’s emotional state in the future, such as predicting how happy you would be a month after winning the lottery).
He has two cool videos on TED.com, both of which are energetically presented and great general introductions to some ideas about our brains and behavior in psychology.
Dan Gilbert on our mistaken expectations
Dan Gilbert asks, Why are we happy?
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Dan Gilbert image from www.randomhouse.com.