Katz R B, Goodglass H
Department of Neurology, Boston University, School of Medicine, MA.
Brain Lang. 1990 Jul;39(1):153-85. doi: 10.1016/0093-934x(90)90009-6.
"Deep dysphasia" is the parallel in repetition to the reading impairment deep dyslexia. Our patient, S.M., showed part of speech, word/nonword, and concreteness effects in repetition, and he made semantic errors, but his oral reading was relatively spared. Further testing indicated that S.M. did not have difficulty perceiving spoken stimuli or deciding their lexical status, but he was deficient at semantically processing spoken words. Moreover, his phonemic memory was severely impaired. We argue that the routes for repetition (lexical and nonlexical) that function without semantic mediation were defective and that deficits in phonemic memory further diminished their effectiveness, since initial phonological encoding of spoken words was not available to guide the output stages of phonological processing. In addition, the semantically mediated route for repetition was unreliable because semantic processing was faulty and S.M. could not accurately label concepts.
“深度言语困难”是与阅读障碍“深度失读症”相对应的重复方面的表现。我们的患者S.M.在重复中表现出部分词性、单词/非单词以及具体性效应，并且会犯语义错误，但他的口头阅读相对未受影响。进一步测试表明，S.M.在感知口语刺激或判断其词汇状态方面没有困难，但他在对口语单词进行语义处理时存在缺陷。此外，他的音素记忆严重受损。我们认为，在没有语义中介的情况下起作用的重复路径（词汇性和非词汇性）存在缺陷，并且音素记忆的缺陷进一步削弱了它们的有效性，因为口语单词的初始语音编码无法用于指导语音处理的输出阶段。此外，语义中介的重复路径不可靠，因为语义处理存在故障，并且S.M.无法准确标记概念。
