리서치 하이라이트
Strengthen your synapses for better reward
Nature
2008년5월12일
No one quite understands the neuronal changes that govern reward-directed learning. A paper in this week’s Nature helps to clarify the synaptic mechanisms involved.
Patricia Janak and colleagues trained rats to self-administer a sugar reward. They showed that reward learning depends on increased activity and synaptic strength in the amygdala, a brain region important for emotional-based learning.
The level of learning attained by individual animals correlated well with the degree of synaptic strength enhancement ? enabling the team to identify a key mechanism that could underlie goal-directed behaviour.
doi: 10.1038/nature06963
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