Abstract
PurposeThis research aimed to investigate whether demographic factors are similarly related to retrieval of object and proper names.MethodsThe sample included 5,907 individuals above age 70 who participated in the Health and Retirement Study between 2004 and 2012. Participants were asked to name two objects as well as the US President and Vice President. Latent growth curve models examined the associations of age, education, and self-rated health with baseline levels and change trajectories in retrieval.ResultsAge and education were more strongly related to retrieval of proper names than to retrieval of object names, both for baseline scores and for change trajectory. Similar effects of self-rated health emerged for both types of stimuli.ConclusionsThe results show that examining object names and proper names together as indication of cognitive status in the HRS might overlook important differences between the two types of stimuli, in both baseline performance and longitudinal change.
Highlights
A recent report shows that 30% of people above age 65 complain of difficulties in word retrieval, whereas 64% complain of difficulties in retrieval of proper names [1]
Similar effects of selfrated health emerged for both types of stimuli
The results show that examining object names and proper names together as indication of cognitive status in the Health and Retirement Study (HRS) might overlook important differences between the two types of stimuli, in both baseline performance and longitudinal change
Summary
The sample included 5,907 individuals above age 70 who participated in the Health and Retirement Study between 2004 and 2012. Participants were asked to name two objects as well as the US President and Vice President. Latent growth curve models examined the associations of age, education, and self-rated health with baseline levels and change trajectories in retrieval
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