The effects of unitization on familiarity-based source memory: testing a behavioral prediction derived from neuroimaging data.
The effects of unitization on familiarity-based source memory: testing a behavioral prediction derived from neuroimaging data.
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DOI：
10.1037/0278-7393.34.4.730
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发表时间：
2008-07
期刊：
影响因子：
--
通讯作者：
Ranganath C
中科院分区：
文献类型：
--
作者：
Diana RA;Yonelinas AP;Ranganath C
源记忆测试的表现通常基于对与项目相关的上下文信息的回忆。然而，最近的神经影像学研究结果表明，如果源信息被编码为相关项目的特征（即“单元化”），则被认为支持基于熟悉度的项目识别的嗅周皮层可能支持源属性。我们假设，熟悉性可能有助于源记忆的性能，如果项目和源信息在编码过程中被单位化，而性能可能会更严重地依赖于回忆，如果源信息被编码为一个任意的上下文关联。三个源识别实验研究接收器的操作特性（ROC）和响应的最后期限性能，表明熟悉的源记忆作出更大的贡献，如果源和项目信息在编码过程中被单位化。这些研究结果表明，熟悉性可以有助于源识别，其贡献取决于项目和源信息最初处理的方式。
Performance on tests of source memory is typically based on recollection of contextual information associated with an item. However, recent neuroimaging results have suggested that the perirhinal cortex, a region thought to support familiarity-based item recognition, may support source attributions if source information is encoded as a feature of the relevant item (i.e. “unitized”). We hypothesized that familiarity may contribute to source memory performance if item and source information are unitized during encoding, whereas performance may rely more heavily on recollection if source information is encoded as an arbitrary contextual association. Three source recognition experiments examining receiver operating characteristics (ROCs) and response deadline performance, indicated that familiarity makes a greater contribution to source memory if source and item information are unitized during encoding. These findings suggest that familiarity can contribute to source recognition, and that its contribution depends critically on the way item and source information are initially processed.
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影响因子：
5.4
作者：
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通讯作者：
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