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As a direct result of research conducted by Professor Bencie Woll at the Deafness Cognition and Language Research Centre (DCAL), UCL, the NHS has established the first neuropsychology clinic for Deaf patients who use British Sign Language within the Cognitive Disorders clinic at the National Hospital for Neurology and Neurosurgery (NHNN). By developing services for this under-researched group, NHS provision has become accessible for the first time, benefiting both patients and service providers. We have disseminated our resources around the world, and have highlighted them to the Deaf community through a unique programme of public engagement. Our research has also influenced UK government policy on Deafness.
Our research has provided an evidence base for sign language policy changes in Scotland and the UK, leading to structures and practices that reduce exclusion, and giving British Sign Language (BSL) enhanced recognition and Deaf people increased equality. Deaf people experience widespread, chronic social disadvantage, with Westminster only acknowledging BSL as an independent language in 2003. The British Sign Language (Scotland) Bill, lodged with the Scottish Parliament in June 2013, is undergirded by our research. Globally, progressive sign language interpreting — facilitating the advancement, well-being and full citizenship of Deaf people — observes service models and professional principles propelled by Heriot-Watt research.
The International Institute for Sign Languages and Deaf Studies (iSLanDS) is a world leader in the systematic comparative research on sign languages (Sign Language Typology), and conducts the world's largest typological projects on sign language structures, using a large international partnership network. The impact of this work, often in developing countries, is seen in the domains of:
a) improved educational attainment and professional development for marginalised groups (deaf sign language users); and
b) linguistic rights for sign language users through engagement with international policy makers, non-governmental organisations and professional bodies (in India, in Turkey and with international bodies).
The primary impact of our research has been through systems that provide information for the deaf community via animated sign language. Tools exploiting our research into automatic generation of human motion, especially for sign language, are used in several ways:
The same avatar (animated character) technology has also been applied in two other arenas: as a foreign language learning resource for primary school children and to add value to cultural heritage presentations.
The International Institute for Sign Languages and Deaf Studies (iSLanDS) has led a large consortium conducting the first-ever substantial comparative study on endangered sign languages in small-scale rural communities with long-standing hereditary deafness ("village sign languages"). The global impact of this work is seen primarily in the domain of language endangerment through work with UNESCO, with the Foundation for Endangered Languages, and with the World Federation of the Deaf. This work also leads to improved educational attainment and professional development for the marginalised users of these sign languages, and the promotion of their linguistic rights.