INPUT-OUTPUT RELATIONSHIPS IN SPEECH-LANGUAGE IMPAIRMENT

拟议的项目将审查#年的投入产出关系。 具有特定言语语言的幼儿言语 减损(SSLI)。其目的是提供有关以下方面的信息 成人的假设特征之间的中介 演讲和孩子的作品。这样的信息不是 可用，因此在 言语语言障碍的描述或在设计中 干预程序。这些信息尤其重要 根据知觉能力之间的关系 以及言语和语言发展的本质。 拟议的研究将包括六组相关的实验： (1)音位对比辨析；(2)音位对比辨析 亚音素，声学特征；(3)词汇识别；(4) 成人的生产，儿童的感知， 和儿童的生产；(5)知觉之间的关系 以及干预导致的生产中的音素变化； 以及(6)计算机实施的开发和评估 这些关系的模型使用大规模连接、并行 建筑。研究对象通常是发育中的儿童， 14到24个月大，患有SSLI的儿童，30到48个月， 有50个单词以下的产出性词汇量还没有 开始产生富有成效的两个字的发音。正常的 儿童是一个重要的控制因素，因为他们的可比性 语言水平，他们可比的发音能力，以及 他们较低的年龄(和正常)的潜在影响 发展状况)儿童导向的成人语言。 该项目带来了几种新的实验方法。 这些区域。在整个研究过程中，实验设计了 词汇和不熟悉的指代将被用来实现足够的 实验对照。使用经实验控制的 针对儿童的成人语音抽样程序将增加到 目前可获得的观测数据。儿童音韵学 知觉和词汇识别将在更早的 发展水平比以前可能使用的 双峰知觉程序的改编。最后，模特们将 使用在以下过程中收集的数据进行开发和评估 该项目将用于进一步探索潜在的投入， 感知和生产关系。

The proposed project will examine input-output relationships in the speech of young children with specific speech-language impairment (SSLI). The aim is to provide information concerning the intermediaries between the assumed characteristics of adult speech and the child's production. Such information is not available and is consequently not taken into account either in the description of speech-language impairments or in the design of intervention procedures. The information is particularly important in light of suggested relationships between perceptual abilities and the nature of speech and language development. The proposed research will include six related sets of experiments: (1) discrimination of phonemic contrasts; (2) discrimination of subphonemic, acoustic features; (3) lexical recognition; (4) relationship among the adult production, the child's perception, and the child's production; (5) the relationship between perception and phonological changes in production resulting from intervention; and (6) the development and evaluation of computer-implemented models of these relationships using massively connected, parallel architectures. The subject will be normally developing children, 14 to 24 months of age, and children with SSLI, 30 to 48 months, with production vocabularies of under 50 words who have not yet begun to produce productive two-word utterances. The normal children are an important control because of their comparable linguistic level, their comparable articulation abilities, and the potential effect of their lower chronological age (and normal developmental status) on child-directed adult speech. The project brings several new experimental approaches to bear on these areas. Throughout the research, experimentally contrived words and unfamiliar referents will be used to achieve adequate experimental control. The use of an experimentally controlled procedure for sampling child-directed adult speech will add to observational data currently available. Children's phonological perception and lexical recognition will be examined at an earlier developmental level than has been previously possible using adaptations of bimodal perception procedures. Finally, models will be developed and evaluated using data collected in the course of the project and will be used to further explore potential input, perception, and production relationships.