社会价值的协同学习.
Timothy E J Behrens1, Laurence T Hunt, Mark W Woolrich
1FMRIB Centre, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, UK. behrens@fmrib.ox.ac.uk
Nature
|November 14, 2008
概括
社会学习使用与基于奖励的学习相同的协会学习过程. 社会和奖励信息都在并行的大脑流中处理,但在决策中结合在一起.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 社会心理学 社会心理学
背景情况:
- 人类的决策依赖于来自个人经验和社会伙伴的环境信息.
- 社会学习通常被认为与关联式学习不同,可能在影响行为方面竞争.
研究的目的:
- 调查社会信息获取是否使用与基于奖励的学习相同的关联过程.
- 识别社会和奖励学习及其整合的基础神经机制.
主要方法:
- 研究了社交交流期间的神经信号,并将其与基于奖励的关联学习进行了比较.
- 分析了社会和奖励学习的计算变量.
- 利用神经成像识别参与处理社会和奖励信息的大脑区域.
主要成果:
- 社会信息是通过类似于基于奖励的学习的关联过程获得的.
- 社交和奖励领域的关键学习变量在并行神经流中被处理.
- 前带带皮层区域对于从社会和奖励信息中学习至关重要.
- 风中前额叶皮层将这些平行流的信息整合到决策中.
结论:
- 人类的社会评价可以通过建立的协会学习机制来实现.
- 社会和奖励学习共享潜在的关联过程,但在早期阶段神经分离.
- 在腹中介前额叶皮层的整合允许在决策中结合使用社会和奖励信息.
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