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  • Title: Everyday cognitive failures and memory problems in Parkinson's patients without dementia.
    Author: Poliakoff E, Smith-Spark JH.
    Journal: Brain Cogn; 2008 Aug; 67(3):340-50. PubMed ID: 18358582.
    Abstract:
    There is growing evidence that Parkinson's disease patients without dementia exhibit cognitive deficits in some executive, memory and selective attention tasks. However, the impact of these deficits on their everyday cognitive functioning remains largely unknown. This issue was explored using self-report questionnaires. Twenty-four Parkinson's patients and 24 age-matched controls rated how frequently they make particular cognitive errors, such as forgetting what they were about to say. In addition, a partner or significant other also rated each participant's propensity for making cognitive errors. Rather than simply rating themselves as making more of all types of errors, these results indicate that PD patients make more of specific types of error. Further analysis suggests that some of these errors are related to attentional processes (being more distractible) whereas others are related to retrieval processes (being unable to recall important details from the previous day).
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