通过内生预测错误从想象中的经验中学习
Aroma Dabas1,2, Rasmus Bruckner3,4, Heidrun Schultz5,6
1Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany. dabas@cbs.mpg.de.
Nature communications
|December 10, 2025
概括
想象愉快的事件,即使是意想不到的,也可以改变偏好. 这种内生学习通过预测错误发生,并更新神经表征,类似于现实世界的强化学习.
科学领域:
- 认知神经科学 认知神经科学
- 神经经济学 神经经济学
- 心理学 心理学 心理学
背景情况:
- 偏好是由经验塑造的,特别是那些涉及出乎意料的结果,从而产生预测错误的经验.
- 预测错误对于学习和更新关于世界的信念至关重要.
研究的目的:
- 调查预测错误是否可以从想象中的事件中内生产生.
- 探索由想象力驱动的偏好学习背后的神经机制.
主要方法:
- 参与者反复选择熟人和想象中的互动.
- 一个计算模型被用来量化从想象的场景预测错误.
- 功能磁共振成像 (fMRI) 用于检查任务期间的大脑活动.
主要成果:
- 个人对熟人产生了偏好,他们与他们一起想象出意想不到的愉快事件.
- 计算机建模证实,由奖励的想象体验驱动的预测错误解释了这种偏好转变.
- 在学习过程中观察到与预测错误信号相关的状活动.
结论:
- 想象力可以引起预测错误,推动内生学习和偏好形成.
- 大脑利用一个强化学习系统,涉及条纹体,以更新基于想象的结果的表征.
- 这项研究强调了想象力在塑造我们的社会偏好和认知过程中的强大作用.
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