情景缓冲器中绑定的保持需要基于客体的注意
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- 英文论文题名：Episodic Buffer Needs Object-Based Attention to Retain Binding
- 论文作者：吴凡 ; 高在峰 ; 何凯锋 ; 沈模卫
- 英文论文作者：Fan Wu ; Zaifeng Gao ; Kaifeng He ; Mowei Shen ; Department of Psychology and Behavioral Sciences ; Zhejiang University
- 年：2015
- 作者机构：浙江大学心理与行为科学系;
- 论文关键词：情景缓冲器 ; 基于客体的注意 ; 信息绑定 ; 工作记忆
- 英文论文关键词：episodic buffer ; object-based attention ; feature binding ; working memory
- 会议召开时间：2015-10-16
- 会议录名称：第十八届全国心理学学术会议摘要集——心理学与社会发展
- 英文会议录名称：Proceedings of the 18th National Academic Congress of Psychology
- 语种：中文
- 分类号：B842.3
- 学会代码：ZGXG
- 会议名称：第十八届全国心理学学术会议
- 会议地点：中国天津
- 主办单位：中国心理学会
- 学会名称：中国心理学会
- 页数：1
- 文件大小：737k
- 原文格式：D
- 会议级别：全国
摘要
情景缓冲器是Baddeley工作记忆模型中一个容量有限的储存系统(Baddeley,2000),Baddeley最初提出情景缓冲器可以利用领域一般化的中央执行资源对不同感觉通道以及工作记忆和长时记忆的信息进行绑定。然而近十年来的研究发现,情景缓冲器在保持绑定信息时并没有比保持单特征信息消耗更多的领域一般化的注意资源,因此它可能只是一个被动接收绑定信息的缓存系统。而本研究则认为,情景缓冲器是一个主动的缓存系统,并且能够利用基于客体的注意来保持绑定信息。我们在三种必须在情景缓冲器中才能形成的绑定条件下分别检验了基于客体的注意在绑定保持中的作用,这三种绑定条件分别是:空间上分离的特征绑定(跨空间绑定,实验1),来自不同感觉通道的特征绑定(跨通道绑定,实验2),以及来自不同工作记忆子模块的特征绑定(跨模块绑定,实验3)。此外,我们采用了双任务范式,在工作记忆任务的保持阶段插入了Duncan的客体特征报告任务(Duncan,1984)来消耗被试的基于客体的注意资源。三个实验的结果一致显示,Duncan的客体特征报告任务对绑定信息的记忆保持产生了特异性破坏:记忆绑定条件下工作记忆绩效的下降显著大于记忆单特征条件下的绩效下降,这说明基于客体的注意对于绑定信息在情景缓冲器的保持起到了核心作用。根据实验结果,本研究对情景缓冲器的内在机制做出了进一步的理论探讨。
The episodic buffer is a limited storage system that initially set to actively bind features across perceptual dimensions and between working and long-term memory(Baddeley, 2000), using the domain-general central executive resource. However, studies in the last decade implied that the episodic buffer was just a passive storage buffer receiving bindings constructed elsewhere. The current study hypothesized that the episodic buffer is an active buffer, yet it is fueled by object-based attention. We tested this hypothesis by testing the role of object-based attention in three types of bindings which theoretically should be constructed within the episodic buffer: The two constituent features of binding were spatially separated(cross-space binding; Experiment 1), were from different modalities(cross-modality binding; Experiment 2), and were from different working memory modules(cross-module binding; Experiment 3). Moreover, we added an object-based feature report task during the maintenance phase of a working memory task(Duncan, 1984), to compete the object-based attention with the to-be-memorized stimuli. In line with the prediction of object-based attention hypothesis, Experiments 1–3 consistently revealed a significant impairment for binding than for constituent single features, suggesting that object-based attention plays a core role in retaining binding representations in the episodic buffer. Theoretical implications to the episodic buffer are discussed.
The episodic buffer is a limited storage system that initially set to actively bind features across perceptual dimensions and between working and long-term memory(Baddeley, 2000), using the domain-general central executive resource. However, studies in the last decade implied that the episodic buffer was just a passive storage buffer receiving bindings constructed elsewhere. The current study hypothesized that the episodic buffer is an active buffer, yet it is fueled by object-based attention. We tested this hypothesis by testing the role of object-based attention in three types of bindings which theoretically should be constructed within the episodic buffer: The two constituent features of binding were spatially separated(cross-space binding; Experiment 1), were from different modalities(cross-modality binding; Experiment 2), and were from different working memory modules(cross-module binding; Experiment 3). Moreover, we added an object-based feature report task during the maintenance phase of a working memory task(Duncan, 1984), to compete the object-based attention with the to-be-memorized stimuli. In line with the prediction of object-based attention hypothesis, Experiments 1–3 consistently revealed a significant impairment for binding than for constituent single features, suggesting that object-based attention plays a core role in retaining binding representations in the episodic buffer. Theoretical implications to the episodic buffer are discussed.
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