亲社会学习:基于模型还是没有模型?
Parisa Navidi1, Sepehr Saeedpour2, Sara Ershadmanesh3,4
1Department of Cognitive Psychology, Institute for Cognitive Science Studies, Tehran, Iran.
PloS one
|June 23, 2023
概括
学习为他人做决定与为自己学习类似. 这项研究发现,当人们为自己而不是为另一个人做决定时,学习策略或结果没有显著差异.
科学领域:
- 认知神经科学 认知神经科学
- 行为经济学是一种行为经济学.
- 社会心理学 社会心理学
背景情况:
- 亲社会学习对于社会合作至关重要,涉及获得有利于他人的决策技能.
- 了解学习策略在自我与他人之间有何不同,是亲社会行为的关键.
研究的目的:
- 调查与其他个体相比,在基于价值的决策过程中学习策略的差异.
- 检查自我-其他考虑对基于模型和无模型的强化学习的影响.
主要方法:
- 采用了一种两步强化学习模式.
- 参与者完成了单独的学习区块,用于自决和对联盟的决策.
- 使用计算建模分析行为数据,以区分基于模型 (MB) 和无模型 (MF) 的学习.
主要成果:
- 强化学习表现出基于正规模型和无模型的特征.
- 参与者的行为最好地解释为MB和MF控制的混合,更强烈地依赖MB控制增强学习成功.
- 自我和其他条件之间没有观察到行为表现或基于模型的学习参数的显著差异.
结论:
- 基于价值的决策的学习策略在个人为自己而不是为他人而行动时并不显著不同.
- 这些发现表明,亲社会决策可能依赖于与自我利益决策相似的潜在学习机制.
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