Journal
DISABILITY AND REHABILITATION
Volume 39, Issue 24, Pages 2492-2498Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09638288.2016.1236407
Keywords
Blindness; cognition; neuropsychological; assessment
Categories
Funding
- IFSTTAR
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Purpose: Adaptation to blindness can lead to the enhancement of the attentional capacities and working memory in young people. However, although the effects of ageing on the cognition of sighted people and people with age-related visual impairments are well-documented, no study seems to have investigated the age-related changes of these cognitive processes in people who are blind. The aim of this study was to assess the effects of age on the attentional processes and working memory in blind people. Method: A cross-sectional study was conducted on 43 blind participants and 42 sighted participants. The participants performed auditory computerized tests assessing selective, sustained and divided attention, attentional switching, and working memory. Results: Two-way analysis of variance revealed significant visual status effect and age effect on most of the variables studied. No interaction was found between visual status and age effects. Conclusions: These results suggest that the trajectories of cognitive age-related change are similar in blind people and in sighted people. This study has implications for rehabilitation, such as cognitive intervention.
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