预测错误对情节性记忆编码的影响是由预测结果调节的
Francesco Pupillo1,2, Javier Ortiz-Tudela3, Rasmus Bruckner4,5
1Department of Psychology, Goethe University Frankfurt, Frankfurt, Germany. pupillo@psych.uni-frankfurt.de.
NPJ science of learning
|May 29, 2023
概括
预测错误会根据预测的准确性对情节性记忆产生不同的影响. 较强的预测错误在预测正确时增强记忆力,但在预测不正确时损害记忆力.
科学领域:
- 认知神经科学 认知神经科学
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
背景情况:
- 预测错误,偏离预期,显著影响学习.
- 虽然它们对学习的影响得到了充分证实,但对情节性记忆的影响不太了解.
研究的目的:
- 调查编码时的预测错误如何影响后续的情节性识别记忆.
- 探索预测结果 (正确与不正确) 对这种关系的调节作用.
主要方法:
- 参与者学习了具有不同强度的对象类别关联.
- 一个强化学习模型在编码过程中量化了逐试验的预测错误.
- 预测错误与随后的识别记忆性能相关.
主要成果:
- 基于预测准确度编码调制识别内存的预测错误.
- 较强的预测错误增强了正确预测的记忆 (弱预期).
- 较强的预测错误影响了对错误预测的记忆 (强烈的期望).
结论:
- 预测的结果 (正确/不正确) 极大地减轻了预测错误对记忆的影响.
- 研究结果表明,在记忆形成过程中,海马和条状腺多巴胺基系统之间存在相互作用.
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