Testing Hypotheses About Binding in Context Memory With a Hierarchical Multinomial Modeling Approach
Testing Hypotheses About Binding in Context Memory With a Hierarchical Multinomial Modeling Approach
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DOI：
10.1027/1618-3169/a000442
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发表时间：
2019-05-01
影响因子：
1.3
通讯作者：
Boywitt, C. Dennis
中科院分区：
文献类型：
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作者：
Arnold, Nina R.;Heck, Daniel W.;Boywitt, C. Dennis
在多维源记忆的实验中，源记忆对一个事件的不同方面的随机依赖性已经被反复证明。这可能意味着一个综合的代表性，导致相互线索的上下文检索。然而，涉及操纵恢复一个源功能的实验往往未能影响检索的其他功能，建议未绑定的功能，而是项目功能绑定。在以前的研究中发现的随机相关性可能是一个虚假的相关性，由于不同的记忆强度的参与者之间的聚合。我们测试这个工件的解释，应用层次多项式模型。当考虑个体间差异时，观察随机依赖性将排除伪影解释。第二个目标是阐明功能绑定的性质：对比编码条件与综合功能判断与单独的功能判断，预计将诱导不同程度的随机依赖性，尽管可比的整体源记忆，如果综合表示包括功能-功能绑定。该实验复制了随机依赖性的发现，因此，排除了伪影解释。然而，我们没有发现条件之间不同程度的随机依赖性。因此，目前的研究结果并没有揭示决定性的证据来区分特征-特征绑定和项目-上下文绑定帐户。
In experiments on multidimensional source memory, a stochastic dependency of source memory for different facets of an episode has been repeatedly demonstrated. This may suggest an integrated representation leading to mutual cuing in context retrieval. However, experiments involving a manipulated reinstatement of one source feature have often failed to affect retrieval of the other feature, suggesting unbound features or rather item-feature binding. The stochastic dependency found in former studies might be a spurious correlation due to aggregation across participants varying in memory strength. We test this artifact explanation by applying a hierarchical multinomial model. Observing stochastic dependency when accounting for interindividual differences would rule out the artifact explanation. A second goal is to elucidate the nature of feature binding: Contrasting encoding conditions with integrated feature judgments versus separate feature judgments are expected to induce different levels of stochastic dependency despite comparable overall source memory if integrated representations include feature-feature binding. The experiment replicated the finding of stochastic dependency and, thus, ruled out an artifact interpretation. However, we did not find different levels of stochastic dependency between conditions. Therefore, the current findings do not reveal decisive evidence to distinguish between the feature-feature binding and the item-context binding account.