Cross-modal information integration in category learning.

Cross-modal information integration in category learning.
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DOI:
10.3758/s13414-014-0659-6
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发表时间:
2014-07
期刊:
Attention, perception & psychophysics
影响因子:
--
通讯作者:
Ashby FG
Ashby FG
中科院分区:
其他
文献类型:
--
作者:
Smith JD;Johnston JJ;Musgrave RD;Zakrzewski AC;Boomer J;Church BA;Ashby FG

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一个有影响力的理论观点描述了一个隐式的类别学习系统,该系统通过在多个刺激维度上预先注意和预先决定地整合信息,将感知空间区域与反应输出相关联。本研究测试了这种内隐的,信息整合的类别学习是否可能跨越不同的感觉通道中的刺激维度。人类学会的类别组成的联合视觉听觉类别的范例,包括视觉组件(矩形不同的密度所包含的点亮像素)和听觉组件(实验1:听觉序列的持续时间不同;实验2:纯音不同的音高)。这些类别要么有一个一维的、基于规则的解决方案,要么有一个二维的、信息整合的解决方案。人类可以通过整合两种刺激方式的信息来解决信息整合类任务。结果表明,一个重要的跨模态形式的感官整合的服务类别学习,他们推进该领域的知识分类系统的感官组织。
An influential theoretical perspective describes an implicit category-learning system that associates regions of perceptual space with response outputs by integrating information preattentionally and predecisionally across multiple stimulus dimensions. This study tested whether this kind of implicit, information-integration category learning is possible across stimulus dimensions lying in different sensory modalities. Humans learned categories composed of conjoint visual-auditory category exemplars comprising a visual component (rectangles varying in the density of contained lit pixels) and an auditory component (Experiment 1: auditory sequences varying in duration; Experiment 2: pure tones varying in pitch). The categories had either a one-dimensional, rule-based solution or a two-dimensional, information-integration solution. Humans can solve the information-integration category tasks by integrating information across two stimulus modalities. The results demonstrate an important cross-modal form of sensory integration in the service of category learning, and they advance the field’s knowledge about the sensory organization of systems for categorization.
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