汉语深层失读及词汇－语义系统的认知神经心理学研究

Chinese deep dyslexia is an important type of reading disorder that attracted many research interests. In the current thesis, three studies concerning Chinese deep dyslexia were performed: (1) clinical dominating and incidental symptoms were collected and their relationships were analyzed, and error scores of different character and word types compared; to verify typical reading model of alphabetic readers, and to develope a novel model for reading Chinese scripts; (2) based on these results, further neuropsychological analysis on the basic rules of lexical-semantic system and semantic distance were employed; (3) rehabilitation scheme were shaped to verify our research results. With cognitive neuropsychological methods, this study was mainly focused on deep dyslexic patients with brain impairment. The results were compared with those of normal people on rapid reading. Computer emulation was also used to describe reading process of patients. Both group analysis and case study were carried out. This study for the first time systematically investigated the clinical symptoms of Chinese deep dyslexia. A novel model was developed with a hypothesis that the sublexical pathway is composed of two parallel pathways: the phonetic sublexical pathway and the semantic sublexical pathway. Two characteristics of Chinese deep dyslexia were found compared with alphabetic deep dyslexia: (1) having no distinct word class effect and imagination effect; (2) the organization of Chinese lexical-semantic system has correlation with construct regulation, imagination and splitability of characters. Evoking of semantic correlation is stronger than phonetic correlation.