Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
73 results found tagged AAC.
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Phoneme-based Predictive Text Entry Interface
This paper presents iSCAN-2, an iPad application that enables nonspeaking individuals to enter text by selecting phonemes (speech sounds) rather than spelling words with letters. People with severe speech impairments often face challenges in literacy…
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The Field Evaluation of a Mobile Digital Image Communication Application Designed for People with Aphasia
This paper presents PhotoTalk, a mobile application designed to help people with aphasia capture and manage digital photographs for face-to-face communication. The research addresses a significant gap: while AAC devices exist for aphasia, very few ha…
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Conception and Experimentation of a Communication Device with Adaptive Scanning
This paper presents an adaptive algorithm for optimizing scanning delay (Tscan) in switch-operated AAC devices, addressing one of the fundamental challenges in scanning-based communication: finding the right balance between speed and error rate. For …
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User Interaction with Word Prediction: The Effects of Prediction Quality
This study investigates how the quality of word prediction systems affects both communication speed and user behavior in augmentative and alternative communication (AAC). The researchers conducted a controlled experiment with 33 adult participants wh…
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Sibylle, an assistive communication system adapting to the context and its user
Sibylle is an augmentative and alternative communication (AAC) system designed for people with severe motor disabilities who cannot use conventional keyboards. The system has been in clinical use at the Kerpape rehabilitation center in Brittany, Fran…
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Evaluating the STANDUP Pun Generating Software with Children with Cerebral Palsy
This paper evaluates STANDUP (System To Augment Non-speakers' Dialogue Using Puns), software that uses natural language generation to enable children with complex communication needs (CCN) to create and tell novel punning riddles. Unlike traditional …
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A3: HCI Coding Guideline for Research Using Video Annotation to Assess Behavior of Nonverbal Subjects with Computer-Based Intervention
This paper introduces A3 (Annotation for ASD Analysis), a comprehensive coding guideline containing 21 dependent variables for assessing the behavior of nonverbal individuals interacting with computer-based interventions. The authors developed A3 thr…
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The Effect of Voice Output on AAC-Supported Conversations of Persons with Alzheimer's Disease
This study investigated whether digitized voice output on AAC (Augmentative and Alternative Communication) devices would improve conversations for people with moderate Alzheimer's disease. The researchers hypothesized that voice output might function…
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ITHACA: An Open Source Framework for Building Component-Based Augmentative and Alternative Communication Applications
This paper introduces ITHACA, an open source software framework for developing modular, customizable AAC applications. The authors address a persistent problem in assistive technology: AAC products are typically expensive, monolithic, difficult to cu…
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Write-N-Speak: Authoring Multimodal Digital-Paper Materials for Speech-Language Therapy
This paper presents Write-N-Speak, a digital pen toolkit that enables speech-language therapists to create custom multimodal therapy materials for clients with aphasia—a communication disorder often resulting from stroke that affects approximately 80…