scholarly journals Sedentary Behavior, Sleep Quality, and Subjective Memory Function in Middle-Aged Adults

2021 ◽  
Vol 5 (Supplement_1) ◽  
pp. 959-960
Author(s):  
Yen Chen ◽  
Carole Holahan ◽  
Darla Castelli

Abstract While there is evidence that prolonged sedentary behaviors (SB) are associated with poor memory performance, less is known about the effect of SB on subjective memory. Poor subjective memory could be an early symptom of mild cognitive impairment or dementia. Besides SB, sleep quality has been identified as an essential component of cognitive health. Yet little is known about the effects of different types of SB on sleep quality and how such effects could, in turn, affect middle-aged adults’ subjective memory. The sample included 306 adults ranging in age from 40 to 60 (M = 44.42) from Amazon MTurk. Mediation analysis with PROCESS (Hayes, 2013) was used to examine the mediational path, controlling for demographic variables. Exploratory factor analysis categorized 10 different sedentary activities into Common Engaging SB (e.g., sitting in cars), High Engaging/Leisure SB (e.g., doing hobbies when sitting), and Less Engaging/Passive SB (e.g., watching TV). Common Engaging SB included a variety of behaviors, including transportation, reading, talking on the phone, and socializing. Common Engaging SB had a significant direct effect on sleep quality (B = 0.19, p < .001) and frequency of forgetting (B = -1.61, p < .001), and sleep quality had a significant direct effect on frequency of forgetting (B = -1.90, p < .001). Sleep quality mediated the association between Common Engaging SB and frequency of forgetting (indirect effect = -0.05, 95% bootstrap CI = -0.09, -0.02). Reducing sitting time, particularly Common Engaging SB, could be a useful strategy to improve subjective memory functioning.

2008 ◽  
Vol 101 (1) ◽  
pp. 93-99 ◽  
Author(s):  
Talitha Best ◽  
Eva Kemps ◽  
Janet Bryan

The aims of the present study were to assess dietary intake of saccharides in middle-aged adults, and to determine whether intakes of these sugar nutrients were related to self-reported memory performance. A population-based sample of 1183 men and women (aged 40–60 years) completed questionnaires assessing everyday memory function. Dietary intake status of saccharides was estimated using a self-completed, quantified FFQ. After controlling for demographic and health measures (for example, time spent exercising, smoking and alcohol consumption), saccharide intake was related to better self-reported memory functioning. Thus, longer-term intakes of saccharides through the usual diet may be positively related to perceived memory performance in mid-life.


2021 ◽  
Vol 3 ◽  
Author(s):  
Craig E. L. Stark ◽  
Gregory D. Clemenson ◽  
Ujwal Aluru ◽  
Nikki Hatamian ◽  
Shauna M. Stark

Concerns are often raised about the impact that playing video games may have on cognition and behavior, whether gameplay is intense and protracted as with competitive Esports or whether it is more casual gameplay. Work in our lab and others, however, has shown that at least some classes of games can improve memory function. In particular, playing immersive 3D games that provide rich experiences and novelty improve memory on tasks that rely upon the hippocampus in effects that mirror the effects of “environmental enrichment” in numerous rodent studies. Our goal in the present study was to determine whether even modest amounts of gameplay (~30 min/day for 4 weeks) would result in improved memory performance in middle-aged adults. Not only is this demographic potentially highly receptive to gaming (they make up a significant portion of Esports viewers and of game players), but interventions in middle age may be a prime time for reducing later age-related cognitive decline. Here, we found that the benefits in middle age paralleled effects previously observed in young adults as playing Minecraft, showing improved memory performance on a hippocampal dependent memory task.


2020 ◽  
Author(s):  
Anders M Fjell ◽  
Øystein Sørensen ◽  
Inge K Amlien ◽  
David Bartrés-Faz ◽  
Andreas M Brandmaier ◽  
...  

Abstract We examined whether sleep quality and quantity are associated with cortical and memory changes in cognitively healthy participants across the adult lifespan. Associations between self-reported sleep parameters (Pittsburgh Sleep Quality Index, PSQI) and longitudinal cortical change were tested using five samples from the Lifebrain consortium (n = 2205, 4363 MRIs, 18–92 years). In additional analyses, we tested coherence with cell-specific gene expression maps from the Allen Human Brain Atlas, and relations to changes in memory performance. “PSQI # 1 Subjective sleep quality” and “PSQI #5 Sleep disturbances” were related to thinning of the right lateral temporal cortex, with lower quality and more disturbances being associated with faster thinning. The association with “PSQI #5 Sleep disturbances” emerged after 60 years, especially in regions with high expression of genes related to oligodendrocytes and S1 pyramidal neurons. None of the sleep scales were related to a longitudinal change in episodic memory function, suggesting that sleep-related cortical changes were independent of cognitive decline. The relationship to cortical brain change suggests that self-reported sleep parameters are relevant in lifespan studies, but small effect sizes indicate that self-reported sleep is not a good biomarker of general cortical degeneration in healthy older adults.


Thrita ◽  
2020 ◽  
Vol 8 (2) ◽  
Author(s):  
Mahmoud Kamali Zarch ◽  
Mohammad Hossein Sorbi

Objectives: This study tested structural relationships between depression, perceived stress, sleep quality, and quality of life through path analysis. Methods: In this cross-sectional study, 360 elderly Iranian people were selected using multistage cluster sampling from April 2 to December 6, 2018. The instruments included a demographic form, the geriatric depression scale (GDS), the quality of life scale (QOLS), the perceived stress scale (PSC), and the Pittsburgh sleep quality index (PSQI). To analyze the data, the researchers used SPSS-21, LISREL-8.80, and the Sobel test. Results: The results showed that depression had a significant direct effect on sleep quality, but not on stress. The effect of depression and stress on the quality of life was found to be 45%. Further, depression, stress, and sleep quality had a significant direct effect on the quality of life. This could explain 85% of changes in the quality of life of the elderly. Moreover, depression with the mediating variable of sleep quality had an indirect effect on the quality of life. Conclusions: It can be concluded that providing conditions for a high quality of life level and a good sleep status can help to improve mental health in elderly people. However, further experimental and longitudinal research is needed in this respect, and it is necessary to study other mediating factors on quality of life in elderly


2020 ◽  
Vol 54 (7) ◽  
pp. 470-483 ◽  
Author(s):  
Anna T Rayward ◽  
Beatrice Murawski ◽  
Mitch J Duncan ◽  
Elizabeth G Holliday ◽  
Corneel Vandelanotte ◽  
...  

Abstract Background Poor sleep health is highly prevalent. Physical activity is known to improve sleep quality but not specifically targeted in sleep interventions. Purpose To compare the efficacy of a combined physical activity and sleep intervention with a sleep-only intervention and a wait-list control, for improving sleep quality in middle-aged adults without a diagnosed sleep disorder. Methods Three-arm randomized controlled trial (Physical Activity and Sleep Health (PAS), Sleep Health Only (SO), Wait-list Control (CON) groups; 3-month primary time-point, 6-month follow-up) of 275 (PAS = 110, SO = 110, CON = 55) inactive adults (40–65 years) reporting poor sleep quality. The main intervention component was a smartphone/tablet “app” to aid goal setting and self-monitoring physical activity and/or sleep hygiene behaviors (including stress management), and a pedometer for PAS group. Primary outcome was Pittsburgh Sleep Quality Index (PSQI) global score. Secondary outcomes included several self-reported physical activity measures and PSQI subcomponents. Group differences were examined stepwise, first between pooled intervention (PI = PAS + SO) and CON groups, then between PAS and SO groups. Results Compared with CON, PI groups significantly improved PSQI global and subcomponents scores at 3 and 6 months. There were no differences in sleep quality between PAS and SO groups. The PAS group reported significantly less daily sitting time at 3 months and was significantly more likely to report ≥2 days/week resistance training and meeting physical activity guidelines at 6 months than the SO group. Conclusions PIs had statistically significantly improved sleep quality among middle-aged adults with poor sleep quality without a diagnosed sleep disorder. The adjunctive physical activity intervention did not additionally improve sleep quality. Clinical Trial information Australian New Zealand Clinical Trial Registry: ACTRN12617000680369; Universal Trial number: U1111-1194-2680; Human Research Ethics Committee, Blinded by request of journal: H-2016-0267.


2015 ◽  
Vol 11 (7S_Part_2) ◽  
pp. P71-P71
Author(s):  
Elena Rolandi ◽  
Enrica Cavedo ◽  
Giovanni Battista Frisoni ◽  
Samantha Galluzzi

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