DEVELOPMENT OF PHONOLOGICAL CATEGORIES

描述（由申请人提供）：长期目标是了解功能性（非器质性）语音发育迟缓的学龄前儿童如何获得语言的声音系统，并确定在临床治疗中加速语音学习的因素。建议的研究的具体目的是扩展模型的口语单词识别的语音学习的研究中测试的假设，即单词的结构差异影响儿童的语音习得。项目1评估收购的新（非）字作为一个明显的启动语音学习。项目2评估了长期启动作为一种潜在的学习机制，加速语音学习的影响。计划中的研究采用实验性单受试者设计，诱导治疗中的语音概括，其转化使命是提高临床实践的疗效。理论上的贡献是心理语言学和发展理论，在阐述的效果，统计学的语言习得过程中实现的非典型语言发展的儿童人口。公共卫生相关性：拟议的研究重点是对被诊断患有不明原因的语音延迟的学龄前儿童进行临床治疗的成功率。我们的目标是确定治疗变量，这将有助于儿童学习和正确地产生语音。两个治疗因素将被测试：（1）被教授的单词种类和（2）单词呈现的方法。

DESCRIPTION (provided by applicant): The long-term goals are to understand how preschool children with functional (nonorganic) phonological delays acquire the sound system of language, and to identify the factors that accelerate phonological learning in clinical treatment. The specific aim of the proposed research is to extend models of spoken word recognition to the study of phonological learning in testing the hypothesis that the structure of words differentially affects children's acquisition of speech sounds. Project 1 evaluates the acquisition of novel (non)words as an apparent jumpstart to phonological learning. Project 2 assesses the effects of long-term priming as a potential learning mechanism that accelerates phonological learning. The planned studies utilize experimental single-subject design to induce phonological generalization in treatment, with the translational mission of improved efficacy of clinical practice. The theoretical contributions are to psycholinguistic and developmental theories in elaborating the effects of the statistical regularities of language on the acquisition process as realized in a population of children with atypical linguistic development. PUBLIC HEALTH RELEVANCE::The proposed research focuses on the success of clinical treatment for preschool children who have been diagnosed with speech sound delays with no known origin. The goal is to identify the treatment variables that will help children to learn and correctly produce speech sounds. Two treatment factors will be tested: (1) the kinds of words that are taught and (2) the methods of word presentation.