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首页> 外文期刊>International journal of psychophysiology: official journal of the International Organization of Psychophysiology >Context effects on familiarity are familiarity effects of context - An electrophysiological study.
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Context effects on familiarity are familiarity effects of context - An electrophysiological study.

机译：情境对熟悉的影响是情境的熟悉影响-一种电生理研究。

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摘要

Within dual-process accounts of recognition memory, familiarity (as opposed to recollection) is often referred to as a rather automatic and context-free process. Thus, in episodic object recognition, familiarity and its electrophysiological ERP signature are supposed to index prior occurrence of an object independent of the context the object was originally encountered in, e.g., [Ecker, U.K.H., Zimmer, H.D., Groh-Bordin, C., in press. Color and context: An ERP study on intrinsic and extrinsic feature binding in episodic memory. Mem. Cogn.]). Yet, contextual sensitivity of familiarity has also been reported (e.g., [Tsivilis, D., Otten, L.J., Rugg, M.D., 2001. Context effects on the neural correlates of recognition memory: An electrophysiological study. Neuron 31, 497-505.]). We argue that considering attentional and perceptual factors of target processing is vital in understanding these conflicting results. Presenting target objects on contextual landscape scenes, we introduced a cueing technique designed to focus subjects' attention on target processing. We demonstrate that context effects on familiarity are diminished if the attentional impact of contextual stimuli is experimentally controlled, arguing that contextual influences on object familiarity are indirect and mediated by factors such as salience and attentional capture. Results suggest that salient context stimuli may elicit an independent familiarity signal instead of directly impacting on the familiarity signal of the target object. We conclude that (a) object familiarity is in principle a rather automatic and context-free process, and that (b) the study of episodic memory can profit substantially from adopting a dynamic processing perspective.
机译：在识别记忆的双过程帐户中，熟悉度（而不是回忆）通常称为相当自动且无上下文的过程。因此，在偶发性对象识别中，熟悉程度及其电生理ERP签名被认为可以独立于对象最初遇到的上下文来索引对象的先前发生，例如，[Ecker，UKH，Zimmer，HD，Groh-Bordin，C。 ， 在新闻。颜色和上下文：情节记忆中内在和外在特征绑定的ERP研究。嗯Cogn。]）。然而，也已经报道了熟悉程度的上下文敏感性（例如，[Tsivilis，D.，Otten，LJ，Rugg，MD，2001。上下文对识别记忆的神经相关性的影响：电生理研究。神经元31，497-505。 ]）。我们认为，考虑目标处理的注意和感知因素对于理解这些矛盾的结果至关重要。在背景景观场景上呈现目标对象时，我们引入了一种提示技术，旨在将主体的注意力集中在目标处理上。我们证明，如果通过实验控制上下文刺激的注意力影响，则对熟悉程度的上下文影响将减少，理由是上下文对对象熟悉度的影响是间接的，并且是由显着性和注意力捕获等因素介导的。结果表明，显着的情境刺激可以引发独立的熟悉程度信号，而不是直接影响目标对象的熟悉程度信号。我们得出的结论是：（a）从本质上讲，对象熟悉是一个相当自动且无上下文的过程，并且（b）对情景记忆的研究可以从动态处理的角度获得实质性的收益。

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