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|Title: ||A comparison of three materials used for tactile symbols to communicate colour to children and young people with visual impairments|
|Authors: ||Ramsamy-Iranah, Sabrina|
Gardner, James A.
|Keywords: ||Additive manufacturing|
|Issue Date: ||2016|
|Publisher: ||© The Authors. Published by SAGE Publications|
|Citation: ||RAMSAMY-IRANAH, S. ...et al., 2016. A comparison of three materials used for tactile symbols to communicate colour to children and young people with visual impairments. British Journal of Visual Impairment, 34(1), pp. 54-71.|
|Abstract: ||A series of 14 tactile symbols were developed to represent different colours and shades for children and young people who are blind or have visual impairment. A study compared three different methods for representing the symbols: (1) embroidered thread, (2) heated ‘swell’ paper, and (3) representation in plastic using Additive Manufacturing (AM; three-dimensional printing). The results show that for all three materials, the recognition of particular symbols varied between 2.40 and 3.95 s. The average times for the three materials across all colours were 2.26 s for AM material, 3.20 s for swell paper, and 4.03 s for embroidered symbols. These findings can be explained by the fact that the AM material (polylactide) is firmer and more easily perceived tactually than the other two materials. While AM plastic offers a potentially useful means to communicate colours for appropriate objects, traditional media are still important in certain contexts.|
|Description: ||This paper was accepted for publication in the journal British Journal of Visual Impairment and the definitive published version is available at http://dx.doi.org/10.1177/0264619615610161|
|Version: ||Accepted version|
|Publisher Link: ||http://dx.doi.org/10.1177/0264619615610161|
|Appears in Collections:||Published Articles (Design School)|
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