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Successful short-term re-learning and generalisation of concepts in semantic dementia

Suarez Gonzalez, A; Savage, SA; Caine, D; (2016) Successful short-term re-learning and generalisation of concepts in semantic dementia. Neuropsychological Rehabilitation 10.1080/09602011.2016.1234399. (In press). Green open access

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Abstract

Patients with semantic dementia (SD) can rapidly and successfully re-learn word labels during cognitive intervention. This new learning, however, usually remains rigid and context-dependent. Conceptual enrichment (COEN) training is a therapy approach aimed to produce more flexible and generalisable learning in SD. In this study we compare generalisation and maintenance of learning after COEN with performance achieved using a classical naming therapy (NT). The study recruited a 62-year-old woman with SD. An AB1ACAB2 experimental design was implemented, with naming performance assessed at baseline, post- intervention, 3 and 6 weeks after the end of each treatment phase. Three generalisation tasks were also assessed pre- and post-intervention. Naming post-intervention improved significantly following both therapies, however, words trained using COEN therapy showed a significantly greater degree of generalisation than those trained under NT. In addition, only words trained with COEN continued to show significant improvements compared with baseline performance when assessed 6 weeks after practice ceased. It was concluded that therapies based on conceptual enrichment of the semantic network facilitate relearning of words and enhance generalisation in patients with SD.

Type: Article
Title: Successful short-term re-learning and generalisation of concepts in semantic dementia
Open access status: An open access version is available from UCL Discovery
DOI: 10.1080/09602011.2016.1234399
Publisher version: http://dx.doi.org/10.1080/09602011.2016.1234399
Language: English
Additional information: This is an Accepted Manuscript of an article published by Taylor & Francis in Neuropsychological Rehabilitation on 28 Sep 2016, available online: http://www.tandfonline.com/doi/abs/10.1080/09602011.2016.1234399.
Keywords: Semantic dementia, cognitive therapy, conceptual enrichment, generalisation of learning
UCL classification: UCL
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 > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Neurodegenerative Diseases
URI: https://discovery.ucl.ac.uk/id/eprint/1521015
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