Sense of Adventure Rests in Primitive Brain Region

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The brain's reward system for making novel choices could have even more serious consequences, said study co-author Professor Nathaniel Daw.

"The novelty bonus may be useful in helping us make complex, uncertain decisions, but it clearly has a downside. In humans, increased novelty-seeking may play a role in gambling and drug addiction, both of which are mediated by malfunctions in dopamine release," Daw said.

The study was published online in Neuron.

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The National Institute of Neurological Disorders and Stroke has more about the brain.

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-- Robert Preidt