Abstract
The incidence of self-reported cognitive failures among older adults may be an index of successful cognitive aging. However, self-reported cognitive failures are biased by variation in depressive symptomatology. This study examined age-related and socio-cultural context effects on cognitive failures while controlling for depressive symptoms. Both overall and specific factors of cognitive failures were determined. A further goal was to investigate the relationship between working memory and cognitive efficiency measures and cognitive failures. One hundred and thirty-nine cognitively healthy adults were recruited from two populations known to differ in their dispositions toward cognitive failures and depressive symptoms (Sardinia and northern Italy). The participants were assigned to Young Old (65–74 years old), Old (75–84 years of age) or Oldest Old (≥85 years of age) groups, and individually presented with a test battery including the Cognitive Failures Questionnaire, the Centre for Epidemiological Studies of Depression Scale, and Forward and Backward Digit Span tests. Specific factors of cognitive failures were differentially associated with measures of depression and working memory. While age had no impact on any aspect of cognitive failures, overall and specific dispositions varied between the two populations. The overall liability to cognitive failure was lower in participants from Sardinia, however, this group also had a higher liability to lapses of action (Blunders factor). Overall, these findings highlight that richer information about cognitive failures may be revealed through the investigation of specific factors of cognitive failures. They also confirm that the absence of changes in cognitive failures across old age is independent of variation in depressive symptoms, at least among cognitively healthy elders.
Highlights
IntroductionCognitive failures are unintended errors in normally competent everyday behaviours that are frequently minor, albeit irritating (e.g., locking keys into your car), but may at times interfere with the completion of routine activities and even result in serious accidents or injuries [1]
X 3 Multivariate Analysis of Variance (MANOVA) was conducted to investigate the impact of age-related factors and socio-cultural context on total CFQ, Distractibility, Blunders and Memory for Names scores
There is marked inconsistency concerning the impact of ageing on cognitive failures, errors in normally competent everyday task performance [2, 17]. This may be because only certain types of failures increase in old age and because of a confounding influence of depressive symptomatology, issues that have received only limited attention [16, 42]
Summary
Cognitive failures are unintended errors in normally competent everyday behaviours that are frequently minor, albeit irritating (e.g., locking keys into your car), but may at times interfere with the completion of routine activities and even result in serious accidents or injuries [1].
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