IngentaConnect Lack of strategy holding: A new pattern of learning deficit in co...

Authors: Benedet, María J.¹; Lauro-Grotto, Rosapia²; Giotti, Chiara³

Source: Journal of Neuropsychology, Volume 3, Number 2, September 2009 , pp. 245-265(21)

Publisher: British Psychological Society

Abstract:

The aim of this study was to demonstrate, by means of systematic research and qualitative data analysis, the presence, among a group of patients with fronto-temporal lobar degeneration of a subgroup that, at variance with the standard pattern, is able to devise and implement learning strategies, but appear impaired at carrying them on from a trial to the next. In order to provide evidence of the existence of a group of patients showing this type of learning disability, that we refer to as lack of strategy holding, we performed a stepwise hierarchical cluster analysis of a set of variables whose scores were selected from the subject's performance at the Test de Aprendizaje Verbal España-Complutense. Results substantiate the segregation of three groups of subjects characterized by the following patterns of performance: normal elderly individuals, who show a quite preserved ability to discover a semantic strategy along the learning trials and to carry it from a trial to the next, patients presenting with a deficit in implementing semantic learning strategies and possibly use of serial and/or phonological strategies to perform the task, and to patients who, although able to generate and implement appropriate learning strategies, appear unable to carry them over the learning trials. The presence of this new pattern raises a few questions that seem worth trying to address.

Document Type: Research article

DOI: 10.1348/174866408X400354

Affiliations: 1: Universidad Complutense de Madrid, Madrid, Spain 2: Dipartimento di Psicologia, Università degli Studi di Firenze, Firenze, Italy 3: Facoltà di Psicologia, Università degli Studi di Firenze, Firenze, Italy

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Lack of strategy holding: A new pattern of learning deficit in cortical dementias