عملکردهای شناختی و زبان شناختی در کودکان ناشنوا

Different opinions have been presented about the cognitive performance of the deaf. In the current article, taking into account the study of different researches and views, there is an attempt to analyze the cognitive performance such as memory, intelligence, learning and linguistic performance in deaf children. In general, some claim that compared to normal children the deaf have a limited understanding as far as understanding, learning and memory are concerned. Some others reject this idea and believe that there is no significant difference between the deaf and normal children. Researches indicate that deaf children, as far as memory and the type of I.Q tests are concerned, are weaker than normal children. In some other researches, there is a claim that deaf children are not, generally, weak as far as intelligence is concerned. Although, it is possible that deaf children, quantitatively speaking, are equal to normal children, they are not, qualitatively, equal to normal children. The reason is that deaf children's. Quantitative aspects of comprehensive and conceptual performance are different. They believe that deaf individuals have natural mental capabilities. Although, it is possible that, sometimes, some shortfalls might emerge in the performance, most of the problems in the deaf is as a result of communication gaps. Researches suggest that when it comes to the assessment of cognitive concepts of students with hearing impaired, the general communication method has been taken into consideration. These researches will also make references to the social factors in the individual's capability and learning facilitation. In this article, in addition to reviewing and summing up different views in the field of deaf students' cognitive performance, some other educational reasons have also been pointed out.