The cognitive investigation of visually impaired population poses difficulties due to the limitations of the methodology of measurement. This is especially so for blind children. The goal of this paper is to present population specific tests are presented in the past as well as in the present. This is followed by the cognitive profi le of the complete 7-15 year old blind (with typical development) population of Hungary as well as that of the matched sample sighted control group. The analyses have been carried out using a set of test questions developed and psychometrically tested by the present authors. The case of the thus selected or newly created test questions is based on theoretical and practical experience derived from NEPSY®-I and WISC-IV tests. According our results, the results on spatial tasks are influenced by vision and the time of birth. Among working memory tasks, there was signifi cant difference only in the Hungarian non-word-repetition task, between the blind and the sighted groups. There was also a signifi cant difference between the two groups in phonemic fl uency task. Spatial orientation is largely influenced by blindness but we have not found the same result in verbal working memory capacity and in language functions.
- Cognitive profile
- Measurement methodological questions
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