视觉形式和事件语义预测静音手势中的过渡性:构成性的证据
Chuck Bradley1, Ronnie Wilbur1,2
1Department of Linguistics, Purdue University.
Cognitive science
|August 28, 2023
概括
沉默的手势显示语言结构,挑战以前的信念. 没有经过训练的人会系统地改变手的动作来表达事件类型,证明形式意义对应.
科学领域:
- 认知科学 认知科学
- 语言学的语言学.
- 心理学 心理学 心理学
背景情况:
- 沉默的手势通常被认为是非语言和整体的.
- 以前的研究表明,沉默的手势缺乏构成结构.
- 新出现的证据表明手势中的系统性和形式意义对应.
研究的目的:
- 调查未经训练的手势者是否系统地操纵手势形式来表示过渡性和不过渡性事件.
- 挑战沉默手势的整体解释.
- 在沉默的手势中识别潜在的子单位,这些手势有助于赋予意义.
主要方法:
- 从未受过训练的参与者中引起的沉默手势代表了不同的事件类型.
- 对于与过渡性区分相关的手动特征进行注释的手势.
- 训练有素的机器学习模型 (支持向量机器) 来从手势特征预测事件过渡性.
主要成果:
- 机器学习模型根据手势特征实现了基于过渡性的良好预测准确性.
- 展示了对手势形式的系统操纵,与事件过渡性相对应.
- 确定了特定的手形特征,有助于编码过渡性.
结论:
- 沉默的手势表现出系统性和形式意义对应,类似于语言系统.
- 手势中的手形特征可能是从认知系统中选择的通信特征.
- 将活动参与者映射到每个手的策略表明了手势的认知基础,可能会影响新兴的手语.
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