Selective memories: infants' encoding is enhanced in selection via suppression
Selective memories: infants' encoding is enhanced in selection via suppression
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DOI：
10.1111/desc.12084
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发表时间：
2013-11-01
影响因子：
3.7
通讯作者：
Amso, Dima
中科院分区：
文献类型：
--
作者：
Markant, Julie;Amso, Dima
本研究探讨了抑制性视觉选择机制在记忆中起着重要作用的假设，通过限制项目编码过程中的分心干扰。在实验1a中，我们使用了一个修改后的空间线索任务，其中9个月大的婴儿编码多个类别的例子在上下文中的注意力定向机制，涉及抑制（即抑制返回，IOR）与一个不（即促进）。在测试中，IOR条件下的婴儿表现出项目特定的学习和更广泛的类别信息的抽象。相比之下，在促进条件下的婴儿没有区分新的和熟悉的测试项目。实验1b证实，在IOR条件下观察到的学习是特定的空间线索的注意，并不是由于跨IOR和促进条件的时间差异。在实验2中，我们复制了实验1的结果，使用内的主题设计，明确检查学习和记忆编码的上下文中的并发抑制。这些数据表明，发展抑制性选择性注意增强了随后提取的记忆编码的功效。此外，这些结果强调了考虑发展中的注意力和记忆系统之间的相互作用的重要性。
The present study examined the hypothesis that inhibitory visual selection mechanisms play a vital role in memory by limiting distractor interference during item encoding. In Experiment 1a we used a modified spatial cueing task in which 9-month-old infants encoded multiple category exemplars in the contexts of an attention orienting mechanism involving suppression (i.e. inhibition of return, IOR) versus one that does not (i.e. facilitation). At test, infants in the IOR condition showed both item-specific learning and abstraction of broader category information. In contrast, infants in the facilitation condition did not discriminate across novel and familiar test items. Experiment 1b confirmed that the learning observed in the IOR condition was specific to spatial cueing of attention and was not due to timing differences across the IOR and facilitation conditions. In Experiment 2, we replicated the results of Experiment 1, using a within-subjects design to explicitly examine learning and memory encoding in the context of concurrent suppression. These data show that developing inhibitory selective attention enhances efficacy of memory encoding for subsequent retrieval. Furthermore, these results highlight the importance of considering interactions between developing attention and memory systems.