Exploratory Investigation of Alternative Communication Interfaces for Reducing the Communication Gap

• Mateus Silva Federal Rural University of Pernambuco http://orcid.org/0009-0006-8651-787X
• Taciana Pontual Falcão Federal Rural University of Pernambuco https://orcid.org/0000-0003-2775-4913
• Paulo Rodrigues Livox https://orcid.org/0009-0008-5571-5691
• Carlos Pereira Livox https://orcid.org/0000-0002-4031-1466
• André Nascimento Federal Rural University of Pernambuco https://orcid.org/0000-0002-9333-3212

DOI: https://doi.org/10.5753/ihc_estendido.2025.13115

Abstract

Introduction: This paper presents initial exploratory research into the development of augmentative and alternative communication (AAC) tool interfaces for nonverbal users. Objective: To bridge the communication gap through layouts based on the PODD (Pragmatic Organization Dynamic Display) model. Methodology: Desk research; followed by prototyping supported by card sorting and evaluated by an expert. Results: A high-fidelity prototype was proposed to address the limitations of existing tools. Next steps include incorporating Artificial Intelligence capabilities and validation with the target audience.

Keywords: alternative communication, assistive technology, accessibility

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