The unbounded productivity of (sign) language: Evidence from the Stroop task

The unbounded productivity of (sign) language: Evidence from the Stroop task
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(手)语言的无限生产力:来自斯特鲁普任务的证据

DOI:
10.1075/ml.17016.ber
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发表时间:
2018
期刊:
The Mental Lexicon
影响因子:
--
通讯作者:
Dupuis, Amanda
Dupuis, Amanda
中科院分区:
--
文献类型:
--
作者:
Berent, Iris;Dupuis, Amanda

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无限的生产力是语言能力的一个标志。在这里,我们问这个能力是否自动适用于标志。参与者观看了由一位签名人制作的美国手语(ASL)新奇手势的视频剪辑,该人的身体出现在单色中,他们很快识别出了这些手势的颜色。关键操作将重复(αα)体征与非重复(αβ)对照进行比较。过去的研究表明,重叠在ASL中是频繁的,频繁的结构会引起更强的Stroop干扰。如果签名者自动概括重叠功能,那么αα标志应该会引起更强的颜色命名干扰。结果表明,对于其基础(α)由自然的ASL特征组成的符号(可能是由于α项目与颜色名称的相似性),重复对符号没有影响。值得注意的是,当碱基(α)包含新特征时,签名者对重复非常敏感。这些结果表明,签名者可以自由地将他们的语言知识扩展到新奇的形式,而且他们是自动这样做的。因此,不受限制的生产力定义了所有语言,而与输入形式无关。
Unbounded productivity is a hallmark of linguistic competence. Here, we asked whether this capacity automatically applies to signs. Participants saw video-clips of novel signs in American Sign Language (ASL) produced by a signer whose body appeared in a monochromatic color, and they quickly identified the signs’ color. The critical manipulation compared reduplicative (αα) signs to non-reduplicative (αβ) controls. Past research has shown that reduplication is frequent in ASL, and frequent structures elicit stronger Stroop interference. If signers automatically generalize the reduplication function, then αα signs should elicit stronger color-naming interference. Results showed no effect of reduplication for signs whose base (α) consisted of native ASL features (possibly, due to the similarity of α items to color names). Remarkably, signers were highly sensitive to reduplication when the base (α) included novel features. These results demonstrate that signers can freely extend their linguistic knowledge to novel forms, and they do so automatically. Unbounded productivity thus defines all languages, irrespective of input modality.
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