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Full-Text Articles in Social and Behavioral Sciences
Time-Of-Day Effects On Younger And Older Adult Executive Functioning, Carly E. Violand
Time-Of-Day Effects On Younger And Older Adult Executive Functioning, Carly E. Violand
ETD Archive
The most recent time-of-day (TOD) body of research has explored how TOD effects can influence certain cognitive domains such as semantic memory, episodic memory, processing speed, and executive functioning (Allen et al., 2008). Research by Horne and Ostberg (1976) has shown how differences in age can be associated with a preference for a certain TOD (i.e., morning or afternoon). Seventy-five percent of adults 65 years or older tend to prefer the morning, whereas fewer than 10 of younger adults tend to prefer the afternoon (Horne & Ostberg, 1976 West et al., 2002). Research by Allen and colleagues (2008) has shown …
Employing Strategy In Measures Of Executive Functioning, Amanda A. Yocum
Employing Strategy In Measures Of Executive Functioning, Amanda A. Yocum
ETD Archive
Although various dementia-related executive deficits have been identified, the functional state of the frontal lobe during healthy aging remains unclear (Raz et al., 2005). The proposed study examines the use of strategy in measures of executive functioning in younger and older adults. Specifically, the strategy types of a nonverbal fluency task are shown to differentially correlate with the actual output generated by participants. The strategies employed here are compared between the two age groups, illustrating that older adults use the best strategy significantly less than younger adults, even when controlling for output differences, which may support the frontal lobe hypothesis …