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Detecting Cognitive Impairment and Dementia in Deaf People: The British Sign Language Cognitive Screening Test

Atkinson, J; Denmark, T; Marshall, J; Mummery, C; Woll, B; (2015) Detecting Cognitive Impairment and Dementia in Deaf People: The British Sign Language Cognitive Screening Test. Archives of Clinical Neuropsychology , 30 (7) pp. 694-711. 10.1093/arclin/acv042. Green open access

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Abstract

To provide accurate diagnostic screening of deaf people who use signed communication, cognitive tests must be devised in signed languages with normative deaf samples. This article describes the development of the first screening test for the detection of cognitive impairment and dementia in deaf signers. The British Sign Language Cognitive Screening Test uses standardized video administration to screen cognition using signed, rather than spoken or written, instructions and a large norm-referenced sample of 226 deaf older people. Percentiles are provided for clinical comparison. The tests showed good reliability, content validity, and correlation with age, intellectual ability, and education. Clinical discrimination was shown between the normative sample and 14 deaf patients with dementia. This innovative testing approach transforms the ability to detect dementia in deaf people, avoids the difficulties of using an interpreter, and enables culturally and linguistically sensitive assessment of deaf signers, with international potential for adaptation into other signed languages.

Type: Article
Title: Detecting Cognitive Impairment and Dementia in Deaf People: The British Sign Language Cognitive Screening Test
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/arclin/acv042
Publisher version: http://dx.doi.org/10.1093/arclin/acv042
Language: English
Additional information: This is a pre-copyedited, author-produced PDF of an article accepted for publication in the Archives of Clinical Neuropsychology following peer review. The version of record, Atkinson, J; Denmark, T; Marshall, J; Mummery, C; Woll, B; (2015) Detecting Cognitive Impairment and Dementia in Deaf People: The British Sign Language Cognitive Screening Test. Archives of Clinical Neuropsychology, 30 (7) pp. 694-711, is available online at: http://dx.doi.org/10.1093/arclin/acv042.
Keywords: Social Sciences, Psychology, Clinical, Psychology, Sign language, Deaf, Dementia, Cognitive assessment, ACE-R, MMSE, Mini-mental-state, Bacterial meningitis, Alzheimers disease, Acquisition, Diagnosis, Criteria, Outcomes, MOCA, Age
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1491333
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