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| Titel: |
Dependence on Visual Feedback During Motor Skill Learning in Alzheimer's Disease |
| Auteur: |
Dick, Malcolm B. Andel, Ross Bricker, Josh Gorospe, Jose Brian Hsieh, Susie Dick-Muehlke, Cordula |
| Verschenen in: |
Aging, neuropsychology, and cognition |
| Paginering: | Jaargang 8 (2001) nr. 2 pagina's 120-136 |
| Jaar: |
2001-06 |
| Inhoud: |
Three experiments examined the role of visual feedback on the performance of a fine motor task, namely the rotary pursuit, in patients with Alzheimer's disease (AD) and healthy older adults. After extensive practice tracking a fully visible target, participants in Experiments 1 and 2 were tested under restricted vision (RV) conditions. In both experiments, the two groups showed a drop in performance when vision was restricted, with AD patients showing a significantly larger decline. Tracking improved significantly in normal controls, but not AD patients across the RV trials after the initial drop. When difficulty of the rotary pursuit task was manipulated in Experiment 3 without restricting vision, AD patients and normal controls showed identical patterns of performance. Consequently, it could be concluded that AD patients in the first two experiments were relying more heavily on visual information for accurate performance of the tracking task than their healthy peers. |
| Uitgever: |
Psychology Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 6 gevonden artikelen
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