期刊
NEURODEGENERATIVE DISEASES
卷 23, 期 1-2, 页码 20-24出版社
KARGER
DOI: 10.1159/000534307
关键词
strategic memory; verbal learning; Parkinson's disease
This study investigates the verbal learning strategies of individuals with Parkinson's disease (PD) and finds that they have difficulties in recalling words and generating categorical clusters. The study also suggests a deficit in working memory, which undermines the implementation of learning strategies.
Introduction. Learning is a long-term memory process, influenced by working memory control processes, including recognition of semantic properties of items by which subjects generate a semantic structure of engrams. The aim of the study is to investigate the verbal learning strategies of individuals with Parkinson's disease (PD). Methods. Thirty individuals with idiopathic PD and healthy control (HC) subjects were tested with a multi-trial word list learning, under two conditions: without cue and then with an explicit cue suggesting the categories in the list, respectively. Results. In comparison to HC subjects, individuals with PD recalled fewer words and achieved a reduced number of categorical clusters; the strategical cue did not improve their performance. Conclusion. This suggests, besides a difficulty in identifying the correct learning strategy, a deficit in working memory, which undermines the strategy implementation.
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