People's decisions are known to be influenced by past experiences, including the outcomes of earlier choices. For over a century, psychologists have been trying to shed light on the processes ...
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New look at dopamine signaling suggests neuroscientists' model of reinforcement learning may need to be revised
Dopamine is a powerful signal in the brain, influencing our moods, motivations, movements, and more. The neurotransmitter is crucial for reward-based learning, a function that may be disrupted in a ...
Research shows that reward-based learning requires the two neuromodulators to balance one another's influence -- like the accelerator and brakes on a car If you've heard of two of the brain's chemical ...
If you reward a monkey with some juice, it will learn which hand to move in response to a specific visual cue – but only if the cerebellum is functioning properly. So say neuroscientists at the ...
Study in mice offers insights into the brain circuitry underlying certain types of reward-based choices. Researchers identified distinct groups of brain cells activated when animals anticipate a ...
The brain’s primitive “fear center” may be much more than that, as new research on the amygdala suggests it plays a crucial role in learning, emotion, and decision-making. Researchers from Dartmouth ...
New research shows The amygdala helps choose between competing strategies when rewards are uncertain and decisions get confusing.
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