Preserved conceptual priming in Alzheimer's disease.

Full Abstract

We assessed Alzheimer's disease (AD) and healthy older adult control (HC) group performance on: (1) a conceptual priming task, in which participants had to make a semantic decision as to whether a degraded picture of an object encountered previously belonged to the category of living or non-living things; and (2) a recognition memory task. The AD group showed a dissociation between impaired performance on the recognition task and preserved priming for semantic decisions to degraded pictures. We argue that it is not whether priming is conceptual or perceptual that is important for the observation of priming in AD, rather it is the nature of the response that is required (c.f., Gabrieli et al., 1999).

Author information

Author/s: Martins, Carla A R (CA); Lloyd-Jones, Toby J (TJ);

Affiliation: Department of Psychology, University of Kent at Canterbury, Canterbury, UK. carla.martins(-atsign-)gmail.com

Journal and publication information

Publication Type: Journal Article

Journal: Cortex; a journal devoted to the study of the nervous system and behavior (Cortex), published in Italy. (Language: eng)

Reference: 2006-Oct; vol 42 (issue 7) : pp 995-1004

Dates: Created 2006/12/18; Completed 2007/01/11;

PMID: 17172179, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: )

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