"Ebb and Flow" Brain Mechanism That Drives Learning Identified
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Mercoledì, Agosto 9, 2023
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NEW YORK, Aug. 9, 2023 /PRNewswire/ -- Researchers have long thought that rewards like food or money encourage learning in the brain by causing the release of the "feel-good" hormone dopamine, known to reinforce storage of new information. Now, a new study in rodents describes how learning still occurs in the absence of an immediate incentive.
Key Points:
- Now, a new study in rodents describes how learning still occurs in the absence of an immediate incentive.
- Rewards were thought to promote learning by simultaneously triggering an increase in dopamine and a decrease in acetylcholine.
- This sudden hormone imbalance is believed to open a window of opportunity for brain cells to adjust to new circumstances and form memories for later use.
- Known as neuroplasticity, this process is a major feature of learning as well as recovery after injury.