中国科学院心理研究所机构知识库

Objective： To study the effects of speech rehabilitation training which was applied to prelingually deaf children after cochlear implantation at the age of 2-5 years. Method： Sixty-four children received a cochlear implant at the age of 2-5 years from 2001-2005. They began to be trained after switch on 1 month. They were trained 3 hours per day and 5 days per week by single auditory training at the beginning. After about 4 weeks, they were trained by both auditory training and speech-language training. The whole training program lasted more than 7 months; after that, according to the teacher＇s plan the training programe was to be continued at home. Result： The period was 108±7.7 days that they could pronounce correctly 50% of all of simple-finals and compound-finals, the period was 115.0±7.8 days that they began auditory repeating, the period was 135.3±10.9 days that they could speak the first specific words independently and the period was 200.3±13.9 days that they could speak 70 words and come into tri-gamut-word and two-word sentence period. The children at the age of 2-3 years could be admitted into normal kindergarten after switch on about 10 months. There was no significant difference in various grades of speech-language development in different age groups and so do in different sex groups. There were significant differences in various grade of speech-language development in various IQ group （P〈 0.01）. Conclusion： The speech and language development sequence was on the same level between the normal children and prelingually deaf children of 2-5 years who received cochlear implant after speech training. The rehabilitation time was significantly shorten. The intelligence was the mainly factor that affect rehabilitation speed. There was no relation between rehabilitation speeds and children＇s sex. In senior children, their cognition dominant hadn＇t accelerated the rehabilitation speeds.