Longitudinal Assessment of Verbal Learning and Memory in Amnestic Mild Cognitive Impairment: Practice Effects and Meaningful Changes

Autor: Cristina Lojo-Seoane, David Facal, María Campos-Magdaleno, Arturo X. Pereiro, Onésimo Juncos-Rabadán
Přispěvatelé: Universidade de Santiago de Compostela. Departamento de Psicoloxía Evolutiva e da Educación
Rok vydání: 2017
Předmět:
Zdroj: Frontiers in Psychology, Vol 8 (2017)
Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
instname
Frontiers in Psychology
ISSN: 1664-1078
DOI: 10.3389/fpsyg.2017.01231
Popis: Objectives: To identify learning effects and meaningful changes in amnestic mild cognitive impairment (aMCI) at a follow-up assessment. Method: The Spanish version of the California Verbal Learning Test (CVLT) was administered to a sample of 274 adults of age over 50 years with subjective memory complains (SMC), including single and multiple domain aMCI groups and participants with SMC but without cognitive impairment (SMC group). The Wilcoxon test was used to compare results at baseline and after 18 months in short and long recall, and standardized regression-based (SRB) methods were used to study meaningful changes. Results: Scores were significantly higher at follow-up for short and long-delayed recall in all groups indicating generalized practice effect. SRB scores indicated a significant decline in recall in a higher proportion of participants with aMCI than in SMC group. Discussion: Patients with multiple and single domain aMCI benefit from practice in a verbal learning memory test. The SRB approach revealed a higher incidence of meaningful decline in short and long-delay recall and recognition in the aMCI groups than in the SMC group. Specifically, compared to SMC participants, single-domain aMCI individuals declined in a higher proportion in all measures, and multiple-domain aMCI individuals in long delay free recall This work was financially supported by the Spanish Directorate General of Scientific and Technical Research (Project PSI2014-55316-C3-1-R) and by the Galician Government (Consellería de Cultura, Educación e Ordenación Universitaria; axudas para a consolidación e Estruturación de unidades de investigación competitivas do Sistema universitario de Galicia; GPC2014/047) through FEDER founds SI
Databáze: OpenAIRE