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ReadClear: An Assistive Reading Tool for People Living with Posterior Cortical Atrophy.

Abstract

BACKGROUND

Progressive reading impairment is an early and debilitating symptom of posterior cortical atrophy (PCA) arising from the progressive deterioration of visual processing skills.

OBJECTIVE

The goal of this study was to test the effectiveness of a purpose-built reading app (ReadClear) co-produced with people living with PCA and designed to reduce the reading difficulties experienced by this population (e.g., getting lost in the page and missing words when reading).

METHODS

Twenty subjects with PCA were included in a cross-over design home-based study aimed at determining whether ReadClear could 1) enhance the subjective reading experience (reading pleasantness) and 2) improve reading accuracy (reducing the number of reading errors) compared with a sham condition (a standard e-reader).

RESULTS

Reading using ReadClear provided a better subjective reading experience than sham (p = 0.018, d = 0.5) and significantly reduced the percentage of reading errors (p < 0.0001, r = 0.82), particularly errors due to omissions (p = 0.01, r = 0.50), repeated words (p = 0.002, r = 0.69), and regressions in the text (p = 0.003, r = 0.69). We found that different kinds of reading errors were related to specific neuropsychological profiles.

CONCLUSION

ReadClear can assist reading in people living with PCA by reducing the number of reading errors and improving the subjective reading experience of users.

Authors+Show Affiliations

Dementia Research Centre, UCL Institute of Neurology, University College London, London, UK.Dementia Research Centre, UCL Institute of Neurology, University College London, London, UK.Dementia Research Centre, UCL Institute of Neurology, University College London, London, UK.Dementia Research Centre, UCL Institute of Neurology, University College London, London, UK.Dementia Research Centre, UCL Institute of Neurology, University College London, London, UK.Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, UK.Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, UK.Department of Brain Repair and Rehabilitation, UCL Institute of Neurology & Institute of Cognitive Neuroscience, Queen Square, London, UK.Dementia Research Centre, UCL Institute of Neurology, University College London, London, UK.Dementia Research Centre, UCL Institute of Neurology, University College London, London, UK.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31524161

Citation

Suarez-Gonzalez, Aida, et al. "ReadClear: an Assistive Reading Tool for People Living With Posterior Cortical Atrophy." Journal of Alzheimer's Disease : JAD, 2019.
Suarez-Gonzalez A, Ocal D, Pavisic I, et al. ReadClear: An Assistive Reading Tool for People Living with Posterior Cortical Atrophy. J Alzheimers Dis. 2019.
Suarez-Gonzalez, A., Ocal, D., Pavisic, I., Peacock, A., Naessens, M., Ahmed, S., ... Crutch, S. J. (2019). ReadClear: An Assistive Reading Tool for People Living with Posterior Cortical Atrophy. Journal of Alzheimer's Disease : JAD, doi:10.3233/JAD-190335.
Suarez-Gonzalez A, et al. ReadClear: an Assistive Reading Tool for People Living With Posterior Cortical Atrophy. J Alzheimers Dis. 2019 Sep 10; PubMed PMID: 31524161.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - ReadClear: An Assistive Reading Tool for People Living with Posterior Cortical Atrophy. AU - Suarez-Gonzalez,Aida, AU - Ocal,Dilek, AU - Pavisic,Ivanna, AU - Peacock,Ashley, AU - Naessens,Michelle, AU - Ahmed,Samrah, AU - Butler,Christopher R, AU - Leff,Alexander P, AU - Yong,Keir X X, AU - Crutch,Sebastian J, Y1 - 2019/09/10/ PY - 2019/9/17/pubmed PY - 2019/9/17/medline PY - 2019/9/17/entrez KW - Assistive technology KW - dyslexia KW - posterior cortical atrophy KW - reading JF - Journal of Alzheimer's disease : JAD JO - J. Alzheimers Dis. N2 - BACKGROUND: Progressive reading impairment is an early and debilitating symptom of posterior cortical atrophy (PCA) arising from the progressive deterioration of visual processing skills. OBJECTIVE: The goal of this study was to test the effectiveness of a purpose-built reading app (ReadClear) co-produced with people living with PCA and designed to reduce the reading difficulties experienced by this population (e.g., getting lost in the page and missing words when reading). METHODS: Twenty subjects with PCA were included in a cross-over design home-based study aimed at determining whether ReadClear could 1) enhance the subjective reading experience (reading pleasantness) and 2) improve reading accuracy (reducing the number of reading errors) compared with a sham condition (a standard e-reader). RESULTS: Reading using ReadClear provided a better subjective reading experience than sham (p = 0.018, d = 0.5) and significantly reduced the percentage of reading errors (p < 0.0001, r = 0.82), particularly errors due to omissions (p = 0.01, r = 0.50), repeated words (p = 0.002, r = 0.69), and regressions in the text (p = 0.003, r = 0.69). We found that different kinds of reading errors were related to specific neuropsychological profiles. CONCLUSION: ReadClear can assist reading in people living with PCA by reducing the number of reading errors and improving the subjective reading experience of users. SN - 1875-8908 UR - https://www.unboundmedicine.com/medline/citation/31524161/ReadClear:_An_Assistive_Reading_Tool_for_People_Living_with_Posterior_Cortical_Atrophy L2 - https://content.iospress.com/openurl?genre=article&amp;id=doi:10.3233/JAD-190335 DB - PRIME DP - Unbound Medicine ER -