Talk to the Hand: An Agenda for Further Research on Tactile Graphics

Authors:
Frances Aldrich
Affiliations:
Reginald Phillips Research Programme Dept. of Psychology, University of Sussex, Brighton, UK BN1 9QG
Venue:
Diagrams '08 Proceedings of the 5th international conference on Diagrammatic Representation and Inference
Year:
2008

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Abstract

Tactile graphics are the primary means by which blind people access maps, graphs, diagrams and other graphical representations. Tactile graphics are made up of raised lines, areas, textures and symbols, and are intended to be felt rather than seen [1], [2] and [3].Major obstacles to the successful use of tactile graphics are that:touch cannot discriminate the fine detail that sight can;extracting information through a sequence of touches, then re-integrating it, imposes a heavy memory load; andmany graphical representations need visual experience for interpretation.