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记忆的命运:再巩固与预测误差案例。

The fate of memory: Reconsolidation and the case of Prediction Error.

机构信息

Laboratorio de Neurobiología de la Memoria, Departamento de Fisiología y Biología Molecular y Celular, IFIBYNE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pab. II, 2(do) piso, Buenos Aires, Argentina.

Laboratorio de Neurofarmacología de los Procesos de Memoria, Cátedra de Farmacología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, 5(to) piso, Buenos Aires, Argentina.

出版信息

Neurosci Biobehav Rev. 2016 Sep;68:423-441. doi: 10.1016/j.neubiorev.2016.06.004. Epub 2016 Jun 7.

Abstract

The ability to make predictions based on stored information is a general coding strategy. A Prediction-Error (PE) is a mismatch between expected and current events. It was proposed as the process by which memories are acquired. But, our memories like ourselves are subject to change. Thus, an acquired memory can become active and update its content or strength by a labilization-reconsolidation process. Within the reconsolidation framework, PE drives the updating of consolidated memories. Moreover, memory features, such as strength and age, are crucial boundary conditions that limit the initiation of the reconsolidation process. In order to disentangle these boundary conditions, we review the role of surprise, classical models of conditioning, and their neural correlates. Several forms of PE were found to be capable of inducing memory labilization-reconsolidation. Notably, many of the PE findings mirror those of memory-reconsolidation, suggesting a strong link between these signals and memory process. Altogether, the aim of the present work is to integrate a psychological and neuroscientific analysis of PE into a general framework for memory-reconsolidation.

摘要

基于存储信息进行预测的能力是一种通用的编码策略。预测误差(PE)是期望事件和当前事件之间的不匹配。它被提出作为记忆获取的过程。但是,我们的记忆和我们自己一样,容易发生变化。因此,通过不稳定-再巩固过程,已获得的记忆可以变得活跃并更新其内容或强度。在再巩固框架内,PE 驱动已巩固记忆的更新。此外,记忆特征,如强度和年龄,是限制再巩固过程启动的关键边界条件。为了理清这些边界条件,我们回顾了惊喜、经典条件作用模型及其神经相关性的作用。发现几种形式的 PE 能够诱导记忆不稳定-再巩固。值得注意的是,许多 PE 发现与记忆再巩固的发现相似,这表明这些信号与记忆过程之间存在很强的联系。总的来说,本工作的目的是将 PE 的心理和神经科学分析整合到记忆再巩固的一般框架中。

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