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Multimedia digital content (combining pictures, text and music) is ubiquitous. The process of creating such content using existing tools typically requires complex, language-laden interactions which pose a challenge for users with aphasia (a language impairment following brain injury). Tangible interactions offer a potential means to address this challenge, however, there has been little work exploring their potential for this purpose. In this paper, we present CreaTable – a platform that enables us to explore tangible interaction as a means of supporting digital content creation for people with aphasia. We report details of the co-design of CreaTable and findings from a digital creativity workshop. Workshop findings indicated that CreaTable enabled people with aphasia to create something they would not otherwise have been able to. We report how users' aphasia profiles affected their experience, describe tensions in collaborative content creation and provide insight into more accessible content creation using tangibles.
We present a new application ("Sakura") that enables people with physical impairments to produce creative visual design work using a multimodal gaze approach. The system integrates multiple features tailored for gaze interaction including the selection of design artefacts via a novel grid approach, control methods for manipulating canvas objects, creative typography, a new color selection approach, and a customizable guide technique facilitating the alignment of design elements. A user evaluation (N=24) found that non-disabled users were able to utilize the application to complete common design activities and that they rated the system positively in terms of usability. A follow-up study with physically impaired participants (N=6) demonstrated they were able to control the system when working towards a website design, rating the application as having a good level of usability. Our research highlights new directions in making creative activities more accessible for people with physical impairments.
Expressing one's thoughts and feelings is a fundamental human need - the basis for communication and social interaction. We ask, how do minimally-verbal children on the autism spectrum express themselves? How can we better recognise instances of self-expression? And how might technologies support and encourage self-expression? To address these questions, we undertook co-design research at an autism-specific primary school with 20 children over one school year. This paper contributes six Modalities of Self-Expression, through which children self-express and convey their design insights. Each modality of self-expression can occur across two different dimensions (socio-expressive and auto-expressive) and can be of a fundamental or an integrative nature. Further, we contribute the design trajectory of a tangible ball prototype, the ExpressiBall, which - through voice, sounds, lights, and motion sensors - explores how tangible technologies can support this range of expressive modalities. Finally, we discuss the concept of Self-Expression by Design.
There is a growing body of HCI work that seeks to understand and enhance the lived experience of people with dementia. The majority of this work involves researchers working alongside people with dementia and their carers, focused on the design project outcomes. In order to enrich the social context of this work, we explore broadening participation to include student volunteers. To encourage mutually engaging experiences in this design context, careful consideration of how to support both students and people with dementia is needed. In this paper, we present two case- studies of co-design projects between students and people with dementia. Our findings detail the use of design methods to reconfigure the role of the residents in care contexts and the students learning process. We discuss the project learning outcomes as well as practical and ethical considerations to support the use of design methods to support mutual engagement in sensitive contexts.
People often use text in their drawings to communicate their ideas. For visually impaired people, adding textual information to tactile graphics is challenging. Labeling in braille is a laborious process and clutters the drawings. Audio labels provide an alternative way to add text. However, digital drawing tools for visually impaired people have not examined the use of audio for creating labels. We conducted a study comprising three tasks with 11 visually impaired adults. Our goal was to understand how participants explored and created labeled tactile graphics (both braille and audio), and their interaction preferences. We find that audio labels were quicker to use and easier to create. However, braille labels enabled flexible exploration strategies. We also find that participants preferred multimodal interaction commands, and report hand postures and movements observed during the drawing process for designing recognizable interactions. Based on our findings, we derive design implications for digital drawing tools.