Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
60 results found tagged augmentative and alternative communication.
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Towards Fully Automated Motion Capture of Signs -- Development and Evaluation of a Key Word Signing Avatar
This research develops a cost-effective method for capturing sign language motion to animate a signing avatar for the Tivoli project—a game-based learning environment teaching Key Word Signing (KWS) to children with communication disabilities includi…
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Measuring the Performance of a Location-Aware Text Prediction System
This study rigorously evaluates whether adding location awareness to word and sentence prediction improves communication efficiency for AAC users. The researchers developed Eugénio, a Portuguese AAC system that combines traditional word prediction wi…
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Iterative Design and Field Trial of an Aphasia-Friendly Email Tool
This paper presents Amail, an email client specifically designed for people with aphasia—an acquired communication disorder typically caused by stroke that affects language comprehension and expression. Unlike existing AAC (Augmentative and Alternati…
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Computer Vision-based Methodology to Support AAC
This paper presents a methodology for supporting augmentative and alternative communication (AAC) through personalized gestural interaction using computer vision and machine learning. The authors developed the PGCA (Personal Gesture Communication Ass…
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The Cost of Turning Heads: A Comparison of a Head-Worn Display to a Smartphone for Supporting Persons with Aphasia in Conversation
This study directly compares head-worn displays (HWDs) to smartphones for providing vocabulary support to people with aphasia—an acquired language disorder caused by brain damage (typically stroke) that affects word-finding, comprehension, and langua…
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Evaluating an iPad Game to Address Overselectivity in Preliterate AAC Users with Minimal Verbal Behavior
This paper evaluates Go Go Games, an iPad-based therapeutic game suite designed to teach Multiple Cue Responding (MCR) to preliterate, minimally verbal children who exhibit overselectivity — a learning challenge where individuals attend to only one o…
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Development and Theoretical Evaluation of Optimized Phonemic Interfaces
This paper presents the development and computational evaluation of optimized phonemic communication interfaces for augmentative and alternative communication (AAC) users. Unlike traditional letter-based (orthographic) interfaces like QWERTY keyboard…
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Using Participatory Design with Proxies with Children with Limited Communication
This paper explores the use of Participatory Design with Proxies (PDwP) as a methodology for including children with severe communication limitations in the design of digital technologies. PDwP is a variation of participatory design where people fami…
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Designing a Context Aware AAC Solution
This student research competition paper explores the design of a context-aware AAC keyboard prototype that uses mobile device sensors — particularly GPS and Wi-Fi positioning — to suggest location-relevant phrases and categories for people with speec…
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The application of spatialization and spatial metaphor to augmentative and alternative communication
This paper presents a collaborative project between the University of Delaware and the University of Dundee investigating how spatialization and spatial metaphors from mainstream HCI research can improve interfaces for augmentative and alternative co…