期刊
JOURNAL OF THE INTERNATIONAL NEUROPSYCHOLOGICAL SOCIETY
卷 19, 期 2, 页码 162-172出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1355617712001105
关键词
Semantic memory disorders; Semantic dementia; Activities of daily living; Problem-solving; Frontal lobe
资金
- Canadian Institutes of Health Research
- Fonds de recherche Quebec - Sante
In theory, semantic memory may trigger and support the execution of everyday activities. This study explored this question by comparing three patients with semantic dementia to 40 normal controls performing different everyday activities. Participants were tested in their home using the Instrumental Activities of Daily Living Profile, an ecological measure of everyday functioning. Participants were informed that they had unknowingly invited two guests for lunch and should prepare accordingly. With these instructions, they dress to go outdoors, go to the grocery store, shop for food, prepare a hot meal, have the meal with the guests, and clean up after the meal. Performance was analyzed on the basis of four operations related to problem solving: formulate a goal, plan, execute, and verify attainment of the goal. Results indicate that compared to normal controls, two patients had significant difficulties and needed assistance with all operations of problem-solving, particularly while preparing a meal and cleaning up after the meal. One patient showed no difficulties despite severe semantic deficits. These results suggest that semantic deficits alone cannot explain the difficulties observed, but may contribute to some aspects of everyday actions such as those involved in everyday problem-solving. (JINS, 2013, 19, 162-172)
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