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Gerontology

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https://www.readbyqxmd.com/read/28624834/quantitative-methods-in-psychological-aging-research-a-mini-review
#1
Paolo Ghisletta, Stephen Aichele
As research on psychological aging moves forward, it is increasingly important to accurately assess longitudinal changes in psychological processes and to account for their (often complex) associations with sociodemographic, lifestyle, and health-related variables. Traditional statistical methods, though time tested and well documented, are not always satisfactory for meeting these aims. In this mini-review, we therefore focus the discussion on recent statistical advances that may be of benefit to researchers in psychological aging but that remain novel in our area of study...
June 17, 2017: Gerontology
https://www.readbyqxmd.com/read/28624821/on-the-social-life-and-motivational-changes-of-aging-monkeys
#2
Julia Fischer
Although nonhuman primates have been used in biomedical research to develop a better understanding of physiological aging processes, their value as models for studying age-related differences in motivation, cognition, and decision-making has only recently been appreciated. This paper reviews the state of the art, with a focus on a recent study on Barbary macaques. A number of studies reported that with increasing age, Old World monkeys spend more time resting, have fewer social partners, and/or spend less time in social interactions, though other studies found no such effects...
June 17, 2017: Gerontology
https://www.readbyqxmd.com/read/28614835/aging-of-competitive-athletes
#3
Hirofumi Tanaka
Demographics of human aging are rapidly changing. As illustrated in the biomedicalization of aging, an ever increasing number of older adults is affected by a variety of clinical conditions and diseases, including vascular stiffening, sarcopenia, physical disability, and poor quality of life. One population that is situated in the opposite end of the health and functional spectrum to the sedentary frail elderly is Masters athletes. These older competitive athletes are endowed with substantial functional capacity, overall long-term health, high motivation, and psychosocial outlook...
June 15, 2017: Gerontology
https://www.readbyqxmd.com/read/28595181/informant-reported-cognitive-decline-and-activity-engagement-across-four-years-in-a-community-sample
#4
Diane E Hosking, Da Jiang, Kerry A Sargent-Cox, Kaarin J Anstey
BACKGROUND: Subtle age-related cognitive decline may be associated with the capacity to remain engaged in mental, physical, and social activities. Informant reports of cognitive decline potentially provide additional information to psychometric tests on change in everyday cognitive function relevant to activity engagement. OBJECTIVE: To investigate relations between decline in everyday cognitive function as assessed by informant report and activity engagement in community-dwelling older adults...
June 9, 2017: Gerontology
https://www.readbyqxmd.com/read/28564651/pro-angiogenesis-therapy-and-aging-a-mini-review
#5
Charles T Ambrose
Apart from major illnesses and chronic afflictions, the elderly experience lesser ailments, such as muscle weakness, cold intolerance, and transient memory lapses. Physical signs in the aged include wrinkled skin and the slow healing of skin abrasions. These ailments and signs are grouped together because they may be due in part to an age-linked, waning microcirculation. A reduced capillary density (CD) throughout the body of aged people and animals has been reported in over 40 papers. The reduced CD is due in turn to declining levels of angiogenic growth factors (AGFs) throughout the body during old age, as documented in 7 reports in the literature...
June 1, 2017: Gerontology
https://www.readbyqxmd.com/read/28538216/the-emerging-view-of-aging-as-a-reversible-epigenetic-process
#6
Micaela López-León, Rodolfo G Goya
The achievement of animal cloning and subsequent development of cell reprogramming technology are having a profound impact on our view of the mechanisms of aging in complex organisms. The experimental evidence showing that an adult somatic nucleus implanted into an enucleated oocyte can give rise to a whole new individual strongly suggests that the integrity of the genome of an adult nucleus is fully preserved. Here, we will review recent experimental evidence showing that pluripotency gene-based cell reprogramming can erase the epigenetic marks of aging and rejuvenate cells from old individuals reversing most signs of aging and that when induced pluripotent stem cells are differentiated back to the cell type of origin, the rejuvenated cells share many of the features of wild-type counterparts from young donors...
May 25, 2017: Gerontology
https://www.readbyqxmd.com/read/28521309/care-transitions-and-adult-day-services-moderate-the-longitudinal-links-between-stress-biomarkers-and-family-caregivers-functional-health
#7
Yin Liu, David M Almeida, Michael J Rovine, Steven H Zarit
BACKGROUND: Stress biomarkers have been linked to health and well-being. There are, however, few studies on how dysregulation in the hypothalamic-pituitary-adrenal axis and sympathetic nervous system actually affects functional health of family caregivers of persons with dementia. Further, it is not clear whether and how factors affecting caregiving stressor exposures such as care transitions and adult day services (ADS) use may affect such association. OBJECTIVE: First, to examine the association of daily stress biomarkers and functional health over time among family caregivers of persons with dementia...
May 19, 2017: Gerontology
https://www.readbyqxmd.com/read/28511176/aging-and-the-inevitable-limit-to-human-life-span
#8
Jan Vijg, Eric Le Bourg
There is a long-lasting debate about a natural limit to human life span, and it has been argued that the maximum reported age at death, which has not increased for ca 25 years, fluctuates around 115 years, even if some persons live beyond this age. We argue that the close connection of species-specific longevity with life history strategies explains why human life span is limited and cannot reach the considerably longer life spans of several other species.
May 17, 2017: Gerontology
https://www.readbyqxmd.com/read/28511173/is-occupational-complexity-associated-with-cognitive-performance-or-decline-results-from-the-australian-longitudinal-study-of-ageing
#9
Anna P Lane, Tim D Windsor, Ross Andel, Mary A Luszcz
BACKGROUND: Long-term protective associations proposed between previous complex occupational tasks and cognitive functioning in later life point to work roles contributing to cognitive reserve. OBJECTIVE: To examine occupational complexity involving data, people, and things in relation to the level of, and rate of change in, cognitive functioning. METHODS: Participants were 1,290 members of the Australian Longitudinal Study of Ageing and initially aged 65-102 years (mean = 79)...
May 17, 2017: Gerontology
https://www.readbyqxmd.com/read/28441647/subjective-memory-in-a-national-sample-predicting-psychological-well-being
#10
Jacqueline A Mogle, Nikki Hill, Caroline McDermott
BACKGROUND: Individual perception of memory performance (i.e., subjective memory) is assessed using a variety of approaches. This article focuses on 2 such approaches: (1) self-comparison assessments that attempt to capture changes in memory ability over a period of time and (2) age-anchored comparisons that assess how an individual perceives their memory in relation to others their age. These different types of assessment may relate to psychological well-being differently due to the underlying mechanisms of assessment...
April 26, 2017: Gerontology
https://www.readbyqxmd.com/read/28427049/predictive-validity-of-two-physical-frailty-phenotype-specifications-developed-for-investigation-of-frailty-pathways-in-older-people
#11
Yew Yoong Ding
BACKGROUND: For investigating the relationship of frailty with physical, psychological, and social conditions on pathways, the frailty definition should ideally exclude these conditions. Based on the frailty phenotype, 2 candidate physical frailty specifications or instruments with 3 indicators, namely slowness, weakness, and exhaustion, and 4 indicators with addition of weight loss were previously developed, and had their construct and concurrent validity demonstrated. OBJECTIVE: This study seeks to evaluate the predictive validity of 2 candidate physical frailty specifications with respect to death, functional impairment, and poor quality of life in older people...
April 21, 2017: Gerontology
https://www.readbyqxmd.com/read/28391279/perceived-control-and-aging-a-mini-review-and-directions-for-future-research
#12
Stephanie A Robinson, Margie E Lachman
This brief review on perceived control and aging is organized according to 3 perspectives of research involving description, explanation, and modification. An extensive body of literature has utilized cross-sectional and correlational methods to describe the sociodemographic variations and outcomes associated with perceived control. This work has focused on differences in perceived control as a function of age, sex, education, socioeconomic status, and culture and has identified positive associations with many aging-related outcomes involving health and well-being...
April 8, 2017: Gerontology
https://www.readbyqxmd.com/read/28285311/postural-transitions-during-activities-of-daily-living-could-identify-frailty-status-application-of-wearable-technology-to-identify-frailty-during-unsupervised-condition
#13
Saman Parvaneh, Jane Mohler, Nima Toosizadeh, Gurtej Singh Grewal, Bijan Najafi
BACKGROUND: Impairment of physical function is a major indicator of frailty. Functional performance tests have been shown to be useful for identification of frailty in older adults. However, these tests are often not translatable into unsupervised and remote monitoring of frailty status at home and/or community settings. OBJECTIVE: In this study, we explored daily postural transition quantified using a chest-worn wearable technology to identify frailty in community-dwelling older adults...
March 11, 2017: Gerontology
https://www.readbyqxmd.com/read/28482340/foot-function-foot-pain-and-falls-in-older-adults-the-framingham-foot-study
#14
Arunima Awale, Thomas J Hagedorn, Alyssa B Dufour, Hylton B Menz, Virginia A Casey, Marian T Hannan
BACKGROUND: Although foot pain has been linked to fall risk, contributions of pain severity, foot posture, or foot function are unclear. These factors were examined in a cohort of older adults. OBJECTIVE: The purpose of this study was to examine the associations of foot pain, severity of foot pain, and measures of foot posture and dynamic foot function with reported falls in a large, well-described cohort of older adults from the Framingham Foot Study. METHODS: Foot pain, posture, and function were collected from Framingham Foot Study participants who were queried about falls over the past year (0, 1, and ≥2 falls)...
2017: Gerontology
https://www.readbyqxmd.com/read/28427051/subjective-time-perceptions-and-aging-well-a-review-of-concepts-and-empirical-research-a-mini-review
#15
Martina Gabrian, Anne J Dutt, Hans-Werner Wahl
Human beings impose subjective, time-related interpretations on their existence, and the experience of time is a major aspect of lifespan development. In this mini-review, we understand subjective time as the way individuals subjectively perceive and evaluate the passing of their personal "objective" lifetime. A broad range of constructs and operationalizations has been developed in (gero-) psychology to capture subjective time, including future time perspective, personal goals, or autobiographical memories...
2017: Gerontology
https://www.readbyqxmd.com/read/28427050/expression-of-high-mobility-group-protein-b1-in-cardiac-tissue-of-elderly-patients-with-coronary-artery-disease-with-or-without-inflammatory-rheumatic-disease
#16
Mei Bruton, Ivana Hollan, Julie Xiao, Eva Lindroos, Knut Mikkelsen, Stein E Rynning, Kjell Saatvedt, Sven M Almdahl, Helena E Harris, Ingrid E Lundberg, Cecilia Wick
BACKGROUND: It is known from clinical practice and observational studies that elderly patients with a diagnosis of inflammatory rheumatic diseases (IRD) bear a significantly increased risk for cardiovascular diseases such as coronary artery disease (CAD) and heart failure. The molecular mechanism, however, is still not known. Recently, high mobility group protein B1 (HMGB1), a ubiquitous, highly conserved single polypeptide expressed in all mammal eukaryotic cells, has been identified to mediate myocardial dysfunction in vitro once released from the nuclei of cardiomyocytes...
2017: Gerontology
https://www.readbyqxmd.com/read/28423371/subjective-technology-adaptivity-predicts-technology-use-in-old-age
#17
Stefan T Kamin, Frieder R Lang, Anja Beyer
BACKGROUND: To date, not much is known about the psychological and motivational factors underlying technology use in late life. What are the interindividual determinants that lead older adults to invest in using technological innovations despite the age-related physiological changes that impose challenges on behavioral plasticity in everyday life? OBJECTIVE: This research explores interindividual differences in subjective technology adaptivity - a general technology-related motivational resource that accounts for technology use in late life...
2017: Gerontology
https://www.readbyqxmd.com/read/28297704/successful-aging-from-the-viewpoint-of-older-adults-development-of-a-brief-successful-aging-inventory-sai
#18
Jeong Eun Lee, Boaz Kahana, Eva Kahana
OBJECTIVE: Researcher-defined criteria for successful aging (SA) have been criticized for their limited perspective and failure to acknowledge subjective perceptions of older individuals. We assessed the extent to which older individuals consider specific factors, which they had suggested, to be important in defining SA. The present study had 2 objectives: (a) to develop a brief multidimensional questionnaire for assessing SA and to evaluate its psychometric properties; and (b) to examine age associations with each dimension of SA...
2017: Gerontology
https://www.readbyqxmd.com/read/28273664/cognitive-predictors-of-everyday-problem-solving-across-the-lifespan
#19
Xi Chen, Christopher Hertzog, Denise C Park
BACKGROUND: An important aspect of successful aging is maintaining the ability to solve everyday problems encountered in daily life. The limited evidence today suggests that everyday problem solving ability increases from young adulthood to middle age, but decreases in older age. OBJECTIVES: The present study examined age differences in the relative contributions of fluid and crystallized abilities to solving problems on the Everyday Problems Test (EPT). We hypothesized that due to diminishing fluid resources available with advanced age, crystallized knowledge would become increasingly important in predicting everyday problem solving with greater age...
2017: Gerontology
https://www.readbyqxmd.com/read/28245466/is-the-age-related-decline-in-renal-function-an-age-associated-disease-or-part-of-a-normal-aging-process
#20
Fabian Braun, Paul Thomas Brinkkoetter
No abstract text is available yet for this article.
2017: Gerontology
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