'Dopamine helps encode information about all types of important and relevant events and drives adaptive behavior—regardless of whether it is positive or negative.” Here's why that matters.
“In the press, dopamine is often referred to as a ‘pleasure molecule’ or a ‘reward molecule,'” said teamErin S. Calipari, Ph.D., a 2018 and 2016 BBRF Young Investigator at Vanderbilt University. “Research has helped us understand that dopamine’s role in learning and memory is more complex than that, but we did not have a complete and accurate theory that could explain what dopamine actually does in the brain.
As the team explains, for the last 20 years, dopamine has been thought of as central in a mechanism that enables individuals to learn when expected rewards do not materialize. This process is called reward-prediction error.
The team investigated dopamine's role across a variety of learning situations in a part of the brain called the nucleus accumbens core, which is central in the processing of emotions and
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