Ulatowska H K, Doyel A W, Stern R F, Haynes S M, North A J
Brain Lang. 1983 Mar;18(2):315-41. doi: 10.1016/0093-934x(83)90023-8.
The abilities of a group of 15 moderately impaired aphasics and 15 normals to produce procedural discourse are described. The experimental tasks included producing four procedures of varying levels of complexity. The data were analyzed in terms of sentential grammar, discourse grammar, and subjective ratings of content and clarity of language. The results showed that aphasics produced well-structured discourse. The language of the aphasics' discourse was reduced in both complexity and amount, but was not qualitatively different from the language produced by the normals. The reduction of language in the procedures reflected selective reduction of hierarchically organized information. The investigation suggests that aphasics are capable of manipulating different types of information and that they might be helped in this by utilizing instrumental scripts which are representation of knowledge underlying procedures.
本文描述了一组15名中度失语症患者和15名正常人产生程序性话语的能力。实验任务包括生成四个不同复杂程度的程序。数据从句子语法、语篇语法以及对内容和语言清晰度的主观评分方面进行了分析。结果表明，失语症患者能够产生结构良好的话语。失语症患者话语的语言在复杂性和数量上都有所减少，但在质量上与正常人产生的语言没有差异。程序中语言的减少反映了层次组织信息的选择性减少。该研究表明，失语症患者有能力处理不同类型的信息，并且通过使用工具性脚本来帮助他们处理信息，这些脚本是程序背后知识的表征。
