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Recognition by familiarity is preserved in Parkinson's without dementia and Lewy-Body disease

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Recognition by familiarity is preserved in Parkinson's without dementia and Lewy-Body disease

dc.contributor.author	Algarabel González, Salvador
dc.contributor.author	Rodríguez, Lucía-Azahara
dc.contributor.author	Escudero, Joaquín
dc.contributor.author	Fuentes, Manuel
dc.contributor.author	Peset, Vicente
dc.contributor.author	Pitarque, Alfonso
dc.contributor.author	Cómbita, Lina-Marcela
dc.contributor.author	Mazón Herrero, José Francisco
dc.date.accessioned	2013-09-24T14:03:24Z
dc.date.available	2013-09-24T14:03:24Z
dc.date.issued	2010
dc.identifier.citation	Algarabel González, Salvador Rodriguez, L.-A. Escudero, J. Fuentes, M. Peset, V. Pitarque, A. Cómbita, L-M. Mazón Herrero, J. F. 2010 Recognition by familiarity is preserved in Parkinson's without dementia and Lewy-Body disease. Neuropsychology 24 5 599 607
dc.identifier.uri	http://hdl.handle.net/10550/30152
dc.description.abstract	Objective: The retrieval deficit hypothesis states that the lack of deficit in recognition often observed in patients with Parkinson's disease is because of the low retrieval requirements of the task, given that these patients have retrieval and not encoding deficits. To test this hypothesis we investigated recognition memory by familiarity in Parkinson’s patients and in patients with Lewy Bodies disease and Parkinson with dementia. Method: We analyzed to what extent the experimental groups were able to recognize by familiarity in a typical yes/no recognition memory task. The experimental groups were patients with early nondemented Parkinson’s disease, advanced nondemented Parkinson’s disease, demented Parkinson’s patients, and patients with dementia with Lewy Bodies. We compared their performance with a group of young and another group of old healthy participants. The estimation of familiarity was made by analyzing recognition of word targets and distractors consisting of combinations of different letters in comparison with a condition in which targets and distractors were composed of similar letters, even though subjects were unaware of the independent variable. Results: The results indicate that familiarity was used at the same level by controls, patients with early Parkinson’s disease and patients with dementia with Lewy Bodies. Although late Parkinson patients also used familiarity, its effect was only marginally significant. Patients with Parkinson’s disease and dementia were not capable of using familiarity in recognition memory. Conclusions: Our results support the retrieval deficit hypothesis as Parkinson’s patients without dementia show no deficit in a situation in which the retrieval requirements are minimal.
dc.relation.ispartof	Neuropsychology, 2010, vol. 24, num. 5, p. 599-607
dc.subject	Trastorns de la memòria en la vellesa
dc.title	Recognition by familiarity is preserved in Parkinson's without dementia and Lewy-Body disease
dc.type	journal article	es_ES
dc.date.updated	2013-09-24T14:03:25Z
dc.identifier.doi	10.1037/a0019221
dc.identifier.idgrec	053635
dc.rights.accessRights	open access	es_ES
dc.identifier.url	http://psycnet.apa.org/index.cfm?fa=search.displayrecord&uid=2010-17509-006