Exemplar models, evolution and language change

Exemplar models, evolution and language change
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范例模型、演化和语言变化

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发表时间:
2006
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影响因子:
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通讯作者:
A. Wedel
A. Wedel
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作者:
A. Wedel

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摘要证据表明,人们能够以样例的形式存储感知细节,从而支持丰富的联想记忆。由此产生的颗粒模型的类别内容允许应用进化理论在建模类别的变化,因为在分类感知的变化反映在一个类别中的样本分布。在生产感知反馈回路中,基于范例的类别中的变化提供了一个变体储备,这些变体可以作为系统随着时间推移通过生产和感知中的随机或选择驱动的不对称而发生变化的种子。在这里,三个潜在的途径,进化的变化被确定在语言类别:修剪线的遗传,混合遗传和自然选择。每一个这些途径的模拟显示在一个简单的基于范例的模型的类别生产和感知,显示如何考虑进化过程可能有助于我们理解的语言类别随时间的变化。
Abstract Evidence supporting a rich memory for associations suggests that people can store perceptual details in the form of exemplars. The resulting particulate model of category contents allows the application of evolution theory in modeling category change, because variation in categorized percepts is reflected in the distribution of exemplars in a category. Within a production-perception feedback loop, variation within an exemplar-based category provides a reserve of variants that can serve as the seeds for shifts in the system over time through random or selection-driven asymmetries in production and perception. Here, three potential pathways for evolutionary change are identified in linguistic categories: pruning of lines of inheritance, blending inheritance and natural selection. Simulations of each of these pathways are shown within a simple exemplar-based model of category production and perception, showing how consideration of evolutionary processes may contribute to our understanding of linguistic category change over time.
DOI: 10.1121/1.2027912
发表时间: 1990-05
期刊: Journal of experimental psychology. Human perception and performance
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