Naming Practice on an Open Platform for People with Aphasia
Chris Benjamin, Jesse Harris, Alex Moncrief, Gail Ramsberger, Clayton Lewis · 2008 · Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '08) · doi:10.1145/1414471.1414530
Summary
This paper presents Banga, a prototype software system built on the Android open-source mobile platform to deliver word finding practice — a form of speech-language therapy — to people with aphasia. Aphasia, a language disorder typically caused by stroke, affects approximately 80,000 new people per year in the USA, with roughly one million people living with the resulting communication disabilities. The authors identify a key problem in current aphasia therapy delivery: naming practice requires ongoing management by clinicians who must monitor patient performance, adjust difficulty, and change the content of practice materials over time. This traditionally requires in-person visits, creating barriers to consistent practice. Banga addresses this by combining a mobile phone application with a web-based therapist portal. Practice materials consist of electronic card decks, each containing a digital image of a target object, the target word, and cues (hints) that can be text strings, written words, or audio files. Cues vary in type — auditory/phonological (e.g., the first sound of a word) or textual/semantic (e.g., a sentence with a blank) — and in strength. The system was built using Android's Java API and Google App Engine for the web backend.
Key findings
Banga uses only written responses rather than spoken ones due to limitations of the Android API at the time, though both spoken and written responses have been used in naming practice research. The system records correct and incorrect responses along with hint usage, allowing therapists to review performance data remotely and upload new card decks via the web interface. An important clinical insight highlighted in the paper is that patients show limited generalization from practiced words to unpracticed words, meaning they need to practice the specific vocabulary relevant to their daily life — such as words for shopping or ordering at a restaurant. This makes customizable, community-shared content decks particularly valuable. The authors envision a community model where the Banga therapist website becomes a freely available service for sharing practice materials, leveraging the open nature of Android and social networking infrastructure to build a community of users and clinicians who contribute decks tailored to real-world communication needs.
Relevance
This early Android accessibility application demonstrates several principles that remain highly relevant to digital accessibility practice. First, it shows how open-source mobile platforms can lower barriers to assistive technology deployment — a theme that has only grown more important as smartphones became ubiquitous. Second, the remote monitoring and management model anticipates the telerehabilitation approaches that became essential during and after the COVID-19 pandemic. Third, the emphasis on community-contributed, customizable content recognizes that one-size-fits-all therapy materials fail people whose communication needs are tied to specific life contexts. For accessibility practitioners, Banga illustrates how relatively simple mobile applications can meaningfully improve therapy access and outcomes when designed around actual clinical workflows and patient needs.
Tags: aphasia · naming practice · word finding · mobile health · Android · telerehabilitation · speech-language therapy · open source · assistive technology