目标导向会转移注意力,损害奖励动机记忆。

IF 1.8 4区 医学 Q4 NEUROSCIENCES
Learning & memory Pub Date : 2025-02-18 Print Date: 2025-02-01 DOI:10.1101/lm.054020.124
Lena J Skalaban, Allison L Neeson, Troy M Houser, Sarah DuBrow, Lila Davachi, Vishnu P Murty
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引用次数: 0

摘要

虽然动机通常会增强记忆,但一些研究表明,在某些情况下,与奖励相关的动机会损害记忆。与动机相关的目标状态会影响注意力,而注意力反过来又会影响信息的编码和记忆。不同的激励环境如何控制对记忆的注意取向,从而导致奖励动机记忆的增强或项目记忆和关系记忆的损害,这方面的研究有限。在这里,我们测试了不同的奖励激励状态如何缩小或扩大对备忘录的下游影响的注意力。在研究1中,在视觉搜索过程中,给参与者一个奖励的限时目标会损害他们的物品和关系记忆,而没有限时的参与者只是被告知,无论搜索速度如何(尽管有相同的时间),他们都会得到奖励。在研究2中,我们发现在视觉搜索完成后给予参与者一个详细的目标可以修复反馈组的项目和关系记忆缺陷。最后,在研究3中,我们表明,在视觉搜索过程中,对目标项目的精细加工导致了对该项目的奖励动机记忆的好处,但对项目编码背景的关系记忆没有好处。总之,这些发现支持了一个模型,即与目标相关的注意力广度的改变可能最终过滤了记忆或遗忘的信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Goal orientation shifts attentional focus and impairs reward-motivated memory.

While motivation typically enhances memory, some studies show that, in certain contexts, motivation associated with rewards can impair memory. Goal states associated with motivation can impact attention, which in turn influences what information is encoded and later remembered. There is limited research on how different incentive contexts, which manipulate attentional orientation to memoranda, lead to either reward-motivated memory enhancements or impairments in item and relational memory. Here, we test how different reward-motivated states may narrow or broaden attention with downstream consequences on memoranda. In study 1, giving participants a rewarded timed goal during visual search impaired both their item and relational memory relative to un-timed participants who were simply told that they would be rewarded for searching regardless of speed (despite having equated time). In study 2, we show that giving participants an elaborative goal after visual search completion remediates item and relational memory deficits in the Feedback group. Finally, in study 3, we show that elaborative processing of target items during visual search resulted in reward-motivated memory benefits for the item, but not relational memory for the context in which the item was encoded. Together, these findings support a model where the goal-relevant alterations in attentional breadth to reward may ultimately filter what information is remembered or forgotten.

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来源期刊
Learning & memory
Learning & memory 医学-神经科学
CiteScore
3.60
自引率
5.00%
发文量
45
审稿时长
6-12 weeks
期刊介绍: The neurobiology of learning and memory is entering a new interdisciplinary era. Advances in neuropsychology have identified regions of brain tissue that are critical for certain types of function. Electrophysiological techniques have revealed behavioral correlates of neuronal activity. Studies of synaptic plasticity suggest that some mechanisms of memory formation may resemble those of neural development. And molecular approaches have identified genes with patterns of expression that influence behavior. It is clear that future progress depends on interdisciplinary investigations. The current literature of learning and memory is large but fragmented. Until now, there has been no single journal devoted to this area of study and no dominant journal that demands attention by serious workers in the area, regardless of specialty. Learning & Memory provides a forum for these investigations in the form of research papers and review articles.
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