A Longitudinal Study of Episodic and Semantic Autobiographical Memory in aMCI and Alzheimer’s Disease Patients

Juan C. Meléndez, Alfonso Pitarque, Iraida Delhom, Elena Real, Mireia Abella and Encarnación Satorres
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Juan C. Meléndez: Department of Developmental and Educational Psychology, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, ES 46010 Valencia, Spain
Alfonso Pitarque: Department of Methodology of the Behavioral Sciences, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, ES 46010 Valencia, Spain
Iraida Delhom: Department of Psychology, Faculty of Psychology, Universidad Internacional de Valencia, Pintor Sorolla 21, ES 46002 Valencia, Spain
Elena Real: Department of Developmental and Educational Psychology, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, ES 46010 Valencia, Spain
Mireia Abella: Department of Developmental and Educational Psychology, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, ES 46010 Valencia, Spain
Encarnación Satorres: Department of Developmental and Educational Psychology, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, ES 46010 Valencia, Spain

IJERPH, 2021, vol. 18, issue 13, 1-9

Abstract: Background: The main objective of this study was to analyze the evolution of autobiographical memory (both episodic and semantic) in patients with mild cognitive impairment, patients with Alzheimer’s disease, and a healthy control group. We compared these groups at two time points: first, at baseline, and in a follow-up after 18 months. Method: Twenty-six healthy older adults, 17 patients with mild amnestic cognitive impairment, and 16 patients with Alzheimer’s disease, matched on age and educational level, were evaluated at both time points with the Autobiographical Memory Interview. Results: The results showed significant longitudinal deterioration in episodic and semantic autobiographical memory in patients with mild cognitive impairment and in patients with Alzheimer’s disease, but not in healthy older adults. Conclusions: The deterioration of episodic and semantic autobiographical memory in AD is confirmed; however, although the episodic was impaired in aMCI, a pattern that evolved toward deterioration over a period of eighteen months was observed for the semantic autobiographical memory.

Keywords: autobiographical memory; mild cognitive impairment; Alzheimer’s disease (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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