Working memory mechanisms in human decision making

人类决策中的工作记忆机制

• 批准号: 282711668
• 负责人: Dr. Bernhard Spitzer
• 金额: --
• 依托单位: Department of Experimental Psychology
• 依托单位国家: 德国
• 项目类别: Research Fellowships
• 财政年份: 2015
• 资助国家: 德国
• 起止时间: 2014-12-31 至 2016-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/282711668?language=en
• 关键词: Working; memory; mechanisms; human; decision

When making categorical decisions, we compare momentary information about a stimulus with an active memory trace. The neurocognitive mechanisms underlying working memory and decision-making, however, have traditionally been studied separately. Here, I propose experiments designed to systematically explore the role of human working memory in integrating multiple pieces of information into a decision. Therein I will focus both on concrete perceptual stimulus attributes and on abstract magnitude information in form of number symbols. Computational modelling will be combined with magnetoencephalographic and pupillometric measures, to characterize the interplay between mnemonic and decisional processing at the behavioural and neural levels. A particular focus will be on the involvement of working memory processes in the maintenance and updating of decisional context, in form of momentary predictions and expectations, as a basis for efficient decision-making in our dynamic, non-stationary environment.

在做出分类决策时，我们会将有关刺激的瞬间信息与活动记忆痕迹进行比较。然而，工作记忆和决策的神经认知机制传统上是分开研究的。在这里，我提出了一些实验，旨在系统地探索人类工作记忆在将多条信息整合到决策中的作用。在这里，我将集中在具体的知觉刺激属性和抽象的数量符号形式的信息。计算模型将与脑磁图和瞳孔测量相结合，以描述记忆和决策过程在行为和神经层面上的相互作用。一个特别的重点将是参与工作记忆过程中的维护和更新的决策背景下，在瞬间的预测和期望的形式，在我们的动态，非静态的环境中有效的决策的基础。

项目成果

Selective overweighting of larger magnitudes during noisy numerical comparison

在嘈杂的数值比较期间选择性地过度加权更大幅度

• DOI: 10.1038/s41562-017-0145
• 发表时间: 2017
• 期刊: Nature Human Behaviour
• 影响因子: 29.9
• 作者: Spitzer;Waschke;Summerfield
• 通讯作者: Summerfield