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1.
Artigo em Inglês | MEDLINE | ID: mdl-38839462

RESUMO

OBJECTIVES: Cognitive impairment poses considerable challenges among older adults, with the role of family support becoming increasingly crucial. This study examines the association of children's residential proximity and spousal presence with key modifiable risk factors for dementia in cognitively impaired older adults. METHODS: We analyzed 14,600 individuals (35,165 observations) aged 50 and older with cognitive impairment from the Health and Retirement Study (1995-2018). Family support was categorized by spousal presence and children's residential proximity. Modifiable risk factors, including smoking, depressive symptoms, and social isolation, were assessed. Associations between family support and the modifiable risk factors were determined using mixed-effects logistic regressions. RESULTS: A significant proportion of older adults with cognitive impairment lacked access to family support, with either no spouse (46.9%) or all children living over 10 miles away (25.3%). Those with less available family support, characterized by distant-residing children and the absence of a spouse, had a significantly higher percentage of smoking, depressive symptoms, and social isolation. Moreover, we revealed a consistent gradient in the percentage of the risk factors by the degree of family support. Relative to older adults with a spouse and co-resident children, those without a spouse and with all children residing further than 10 miles displayed the highest percentage of the risk factors. These findings were robust to various sensitivity analyses. CONCLUSIONS: Family support from spouses and nearby children serves as a protective factor against modifiable dementia risk factors in cognitively impaired older adults. Policies that strengthen family and social support may benefit this population.

2.
J Am Geriatr Soc ; 72(7): 2126-2132, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38415796

RESUMO

BACKGROUND: Low healthcare quality has been found to predict the development of a number of illnesses in older adults. However, it has not been investigated as a determinant of dementia. Thus, the goal of this study was to assess whether experiencing low healthcare quality is associated with developing dementia in people aged 60 and older. METHODS: Participants in the Health and Retirement Study, without dementia and aged 60 and older at baseline, were followed from 2006 to 2019. Experiencing low healthcare quality was assessed at baseline through questions about healthcare discrimination and dissatisfaction with healthcare services. The outcome, development of new cases of dementia, was determined through physician diagnosis or a cognition score compatible with dementia (assessed by the Telephone Interview for Cognitive Status). Cox regression was used to estimate the hazard ratio (HR) of dementia, adjusting for participants' demographic, health, and socioeconomic factors. RESULTS: Among the 3795 participants included in the cohort, 700 developed dementia. Experiencing low healthcare quality was associated with increased dementia risk over 12 years (unadjusted HR: 1.68, 95% CI: 1.27-2.21, p-value <0.001; fully adjusted HR: 1.50, 95% CI: 1.12-2.01, p-value: 0.006). Healthcare discrimination and dissatisfaction with the healthcare quality received were independently associated with increased dementia risk. CONCLUSIONS: As predicted, experiencing low healthcare quality was associated with greater dementia risk. To date, most measures to reduce dementia have focused on individual-level behaviors. Our findings suggest that implementing structural changes to improve healthcare quality delivery for older persons could reduce dementia prevalence.


Assuntos
Demência , Qualidade da Assistência à Saúde , Humanos , Demência/psicologia , Feminino , Masculino , Idoso , Pessoa de Meia-Idade , Fatores de Risco , Idoso de 80 Anos ou mais
3.
Artigo em Inglês | MEDLINE | ID: mdl-37792627

RESUMO

BACKGROUND: Apolipoprotein-E (APOE) ε4 and ε2 are the most prevalent risk-increasing and risk-reducing genetic predictors of Alzheimer's disease, respectively. However, the extent to which societal factors can reduce the harmful impact of APOE-ε4 and enhance the beneficial impact of APOE-ε2 on brain health has not yet been examined systematically. METHODS: To fill this gap, we conducted a systematic review searching for studies in MEDLINE, Embase, PsycINFO, and Scopus until June 2023, that included: (a) 1 of 5 social determinants of health (SDH) identified by Healthy People 2030, (b) APOE-ε2 or APOE-ε4 allele carriers, (c) cognitive or brain-biomarker outcomes, and (d) studies with an analysis of how APOE-ε2 and/ or APOE-ε4 carriers differ on outcomes when exposed to SDH. RESULTS: From 14 076 articles retrieved, 124 met the inclusion criteria. In most of the studies, exposure to favorable SDH reduced APOE-ε4's detrimental effect and enhanced APOE-ε2's beneficial effect on cognitive and brain-biomarker outcomes (cognition: 70.5%, n: 74/105; brain-biomarkers: 71.4%, n: 20/28). A similar pattern of results emerged in each of the 5 Healthy People 2030 SDH categories, where finishing high school, having resources to satisfy basic needs, less air pollution, less negative external stimuli that can generate stress (eg, negative age stereotypes), and exposure to multiple favorable SDH were associated with better cognitive and brain health among APOE-ε4 and APOE-ε2 carriers. CONCLUSIONS: Societal factors can reduce the harmful impact of APOE-ε4 and enhance the beneficial impact of APOE-ε2 on cognitive outcomes. This suggests that plans to reduce dementia should include community-level policies promoting favorable SDH.


Assuntos
Doença de Alzheimer , Apolipoproteínas E , Humanos , Alelos , Doença de Alzheimer/genética , Apolipoproteína E2/genética , Apolipoproteína E4/genética , Apolipoproteínas E/genética , Biomarcadores , Encéfalo , Genótipo
4.
medRxiv ; 2023 Oct 25.
Artigo em Inglês | MEDLINE | ID: mdl-37961588

RESUMO

Background: Cognitive impairment in older adults poses considerable challenges, and the role of family support becomes increasingly crucial. This study aims to examine the impact of children's residential proximity and spousal presence on the key modifiable risk factors for dementia among older adults with cognitive impairment. Methods: Utilizing the Health and Retirement Study (HRS) data from 1995 to 2018, we analyzed 14,731 participants (35,840 person-waves) aged 50 and older with cognitive impairment. Family support was characterized based on the presence of a spouse and residential proximity to children. Smoking, depressive symptoms and social isolation were included as the key modifiable risk factors for dementia identified in later life. Using mixed-effects logistic regressions, associations between access to family support and the modifiable risk factors were determined, adjusting for various socio-demographic and health-related factors. Results: Significant associations were found between access to family support and modifiable risk factors for dementia. Cognitively impaired older adults with less available family support, characterized by distant-residing children and the absence of a spouse, had significantly higher risks of smoking, depressive symptoms, and social isolation. Moreover, we revealed a consistent gradient in the prevalence of the risk factors based on the degree of family support. Relative to older adults with a spouse and co-resident children, those without a spouse and with all children residing further than 10 miles displayed the highest risks of smoking, depressive symptoms, and social isolation. Conclusion: Access to family support, particularly from spouses and proximate children, plays a protective role against key modifiable risk factors for dementia in older adults with cognitive impairment. The findings highlight the need for bolstering family and social support systems to enhance the well-being of this vulnerable population.

5.
Am J Geriatr Psychiatry ; 31(11): 889-901, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37355455

RESUMO

OBJECTIVES: To examine the nature and correlates of 10-year trajectories of posttraumatic stress disorder (PTSD) symptoms in older U.S. military Veterans. DESIGN AND SETTING: A nationally representative web-based survey of older U.S. Veterans who participated in the National Health and Resilience in Veterans Study over 5 waves between 2011 and 2021. PARTICIPANTS: A total of 1,843 U.S. Veterans aged 50 and older (mean age = 67). MEASUREMENTS: PTSD symptoms were assessed using the PTSD Checklist. Self-report measures at baseline assessed sociodemographic characteristics; trauma exposures; psychiatric and substance use disorders; mental, cognitive, and physical functioning; and psychosocial factors including expectations of aging. Latent growth mixture modeling identified the nature and correlates of 10-year PTSD symptom trajectories. RESULTS: Most of the sample had no/low PTSD symptoms (88.7%), while 6.0% had consistently subthreshold symptoms, 2.7% consistently high symptoms, and 2.6% increasing symptoms. Relative to the no/low symptom group, the subthreshold and high symptom groups reported more medical conditions and cognitive difficulties, with younger age and more lifetime traumatic events additionally linked to the high symptom trajectory. Relative to the no/low symptom group, Veterans with increasing symptoms were more likely to report functional disability and lifetime nicotine use disorder, cognitive difficulties, negative expectations regarding physical and emotional aging, and traumatic events over the study period. CONCLUSIONS: Despite high rates of trauma exposure, most older Veterans do not evidence symptomatic PTSD trajectories; however, about 11% do. Results underscore the importance of assessing PTSD symptoms in this population and considering longitudinal trajectories as well as associated risk and protective factors.


Assuntos
Comportamento Problema , Transtornos de Estresse Pós-Traumáticos , Transtornos Relacionados ao Uso de Substâncias , Veteranos , Humanos , Pessoa de Meia-Idade , Idoso , Veteranos/psicologia , Transtornos de Estresse Pós-Traumáticos/psicologia , Inquéritos e Questionários
6.
Am J Geriatr Psychiatry ; 31(10): 844-852, 2023 10.
Artigo em Inglês | MEDLINE | ID: mdl-37211498

RESUMO

OBJECTIVE: To identify the prevalence and correlates associated with suicidal thoughts and behaviors (STBs) in a nationally representative sample of older (55+) US military veterans. METHODS: Data were analyzed from the 2019-2020 National Health and Resilience in Veterans Study (N = 3,356; mean age = 70.6). Self-report measures of past-year suicidal ideation (SI), lifetime suicide plan, lifetime suicide attempt(s), and future suicide intent were examined in relation to sociodemographic, neuropsychiatric, trauma, physical health, and protective factors. RESULTS: A total of 6.6% (95% CI = 5.7%-7.8%) of the sample endorsed past-year SI, 4.1% (CI = 3.3%-5.1%) a lifetime suicide plan, 1.8% (CI = 1.4%-2.3%) a lifetime suicide attempt, and 0.9% (CI = 0.5%-1.3%) future suicide intent. Higher levels of loneliness and lower levels of purpose in life were most strongly associated with past-year SI; lifetime history of major depressive disorder with suicide plan and suicide attempt; and frequency of past-year SI and more negative expectations regarding emotional aging with future suicide intent. CONCLUSION: These findings provide the most up-to-date nationally representative prevalence estimates of STBs among older military veterans in the United States. Several modifiable vulnerability factors were found to be associated with suicide risk in older US military veterans, suggesting that these factors may be targets for intervention in this population.


Assuntos
Transtorno Depressivo Maior , Resiliência Psicológica , Veteranos , Humanos , Estados Unidos/epidemiologia , Idoso , Veteranos/psicologia , Ideação Suicida , Transtorno Depressivo Maior/psicologia , Tentativa de Suicídio/psicologia , Fatores de Risco
7.
Stigma Health ; 8(1): 40-48, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37092028

RESUMO

Elder abuse affects one in six older persons globally. Three limitations impede progress in prevention: most research is victim- rather than perpetrator-based; the reliance on explicit, self-reported factors; and failure to account for psychological factors, such as dehumanization, that motivate abuse. The current study addressed these gaps by examining whether implicit and explicit dehumanization of t could explain elder abuse proclivity. In a web-based survey of 585 family caregivers of older persons, dehumanization was found to be prevalent with 51% of the caregivers implicitly and 31% explicitly dehumanizing older persons. As predicted, implicit and explicit dehumanization contributed to elder abuse proclivity (OR = 1.23, 95% CI = 1.02-1.50, p = .03) and (OR = 1.26, 95% CI = 1.05-1.51, p = .01), respectively, after adjusting for relevant covariates including caregiver burden, and caregivers' and care-recipients' health. Developing caregiver-based interventions to humanize older persons may complement ongoing efforts in reducing elder abuse.

8.
JAMA Netw Open ; 6(4): e237707, 2023 04 03.
Artigo em Inglês | MEDLINE | ID: mdl-37043204

RESUMO

This cohort study examines the contribution of positive age beliefs to recovery from mild cognitive impairment among older persons.


Assuntos
Transtornos Cognitivos , Disfunção Cognitiva , Humanos , Idoso , Idoso de 80 Anos ou mais , Disfunção Cognitiva/psicologia , Transtornos Cognitivos/psicologia
9.
Soc Sci Med ; 323: 115772, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-36965204

RESUMO

RATIONALE: In view of the severity and prevalence of chronic pain, combined with the limited success of long-term treatments, there is the need for a more expansive understanding of its etiology. We therefore investigated over time three societal-based potential determinants of chronic pain that were previously unexamined in this connection: negative age stereotypes, age attribution, and age discrimination. METHODS: The cohort consisted of 1373 Americans aged 55 and older, who participated in four waves of the National Health and Resilience in Veterans Study, spanning seven years. RESULTS: Consistent with the hypotheses, negative age stereotypes as well as age discrimination predicted chronic pain, and age attribution acted as a mediator between the negative age stereotypes and chronic pain. In a subset of participants who were free of chronic pain at baseline, those who had assimilated negative age stereotypes were 32% more likely to develop chronic pain in the next seven years than those who had assimilated positive age stereotypes. CONCLUSION: Our finding that the three societal-based and modifiable predictors contributed to chronic pain refutes the widely held belief that chronic pain experienced in later life is entirely and inevitably a consequence of aging.


Assuntos
Etarismo , Dor Crônica , Humanos , Idoso , Idoso de 80 Anos ou mais , Dor Crônica/epidemiologia , Envelhecimento , Percepção Social , Inquéritos e Questionários , Estereotipagem
10.
Gerontologist ; 62(10): 1486-1495, 2022 11 30.
Artigo em Inglês | MEDLINE | ID: mdl-35429275

RESUMO

BACKGROUND AND OBJECTIVES: Interest in reminiscence activities for older adults has grown in recent years, but the benefits of co-reminiscence are not well-known. Drawing from a narrative identity framework, this study examined older adult spouses' co-reminiscence about their first encounters. We hypothesized that perceived closeness and support increase when spouses co-reminisce and that greater perceptions of closeness and support after reminiscing relate to lower depressive symptoms and greater marital satisfaction in daily life. RESEARCH DESIGN AND METHODS: One hundred and one couples completed questionnaires measuring marital satisfaction and depressive symptoms at home and then participated in a laboratory session in which they co-reminisced about their first encounters. Self-reported perceived support and relationship closeness were obtained before and after reminiscence. t Tests and the Actor Partner Interdependence Model were used to examine hypotheses. RESULTS: As hypothesized, closeness and perceived support increased from pre- to postreminiscence for husbands and wives. In addition, one's own relationship closeness after reminiscence was positively associated with own marital satisfaction (actor effect). One's perceived support after reminiscence was positively related to spouse's marital satisfaction and negatively associated with their spouse's depressive symptoms (partner effects). DISCUSSION AND IMPLICATIONS: Findings suggest that co-reminiscence about early relationship development can boost feelings of closeness and support for older adults. Benefiting from co-reminiscence in this way also appears to indicate broader relationship and individual well-being. Brief co-reminiscence activities may nurture late-life relational well-being.


Assuntos
Satisfação Pessoal , Cônjuges , Humanos , Idoso , Casamento , Emoções , Narração
12.
J Gerontol B Psychol Sci Soc Sci ; 77(4): e70-e75, 2022 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-33964154

RESUMO

OBJECTIVES: During the COVID-19 pandemic, stigmatization of older persons increased in traditional and social media. It was unknown whether this negative messaging could be detrimental to the mental health of older individuals, and whether the relatively uncommon positive messaging about older individuals could benefit their mental health. METHOD: To address these gaps, we designed age-stereotype interventions based on actual news stories that appeared during the pandemic, and divided them into negative and positive versions of what we term personified (i.e., individual-based) and enumerative (i.e., number-based) age-stereotype messaging. The negative versions of the 2 types of messaging reflected the age stereotype of decline, whereas the positive versions of the 2 types of messaging reflected the age stereotype of resilience. RESULTS: As expected, the exposure of older individuals to the negative-age-stereotype-messaging interventions led to significantly worse mental health (i.e., more anxiety and less peacefulness), compared to a neutral condition; in contrast, the positive-age-stereotype-messaging interventions led to significantly better mental health (i.e., less anxiety and more peacefulness), compared to a neutral condition. The findings were equally strong for the personified and enumerative conditions. Also as expected, the interventions, which were self-irrelevant to the younger participants, did not significantly impact their mental health. DISCUSSION: This is the first-known study to experimentally demonstrate that institutional ageism, and statistics that reflect stereotypes about older individuals, can impact mental health. The results demonstrate the need for media messaging aimed at empowering older individuals during the pandemic and beyond.


Assuntos
Etarismo , COVID-19 , Idoso , Idoso de 80 Anos ou mais , Etarismo/psicologia , COVID-19/epidemiologia , Humanos , Saúde Mental , Pandemias , Estereotipagem
13.
BMJ Open ; 11(5): e042580, 2021 05 13.
Artigo em Inglês | MEDLINE | ID: mdl-33986041

RESUMO

OBJECTIVE: To determine the association between country-level structural ageism and prevalence of violence against older persons. DESIGN: Country-level ecological study. SETTING: Structural ageism data were drawn from the nationally representative World Values Survey 2010-2014 (WVS), global databases from the WHO, United Nations and the World Bank. Violence data were based on the Global Burden of Diseases (GBD) study 2017. PARTICIPANTS: Analysis of 56 countries that represented 63.1% of the world's ageing population aged 60 and over across all six of WHO regions. EXPOSURE: Structural ageism, following established structural stigma measures, consisted of two components: (1) discriminatory national policies related to older persons' economic, social, civil and political rights, based on the four core components of human rights protection in Madrid International Plan of Action on Aging and (2) prejudicial social norms against older persons, measured by negative attitudes toward older persons in 56 national polls in WVS aggregated to country-level. These components were z scored and combined such that higher score indicated greater structural ageism. MAIN OUTCOMES AND MEASURES: Prevalence rates of violence per 100 000 persons aged 70 and over in each country was based on extensive epidemiological surveillance data, survey, clinical data and insurance claims in GBD and compiled by the Institute of Health Metrics and Evaluation, University of Washington. RESULTS: There was a wide variation in levels of structural ageism across countries. As predicted, structural ageism was significantly associated with the prevalence rates of violence in multivariate models (ß=205.7, SE=96.3, p=0.03), after adjusting for relevant covariates. Sensitivity analyses supported the robustness of our findings. That is, structural ageism did not predict other types of violence and other types of prejudice did not predict violence against older persons. CONCLUSIONS: This study provides the first evidence of the association between higher structural ageism and greater violence against older persons across countries.


Assuntos
Etarismo , Idoso , Idoso de 80 Anos ou mais , Envelhecimento , Carga Global da Doença , Humanos , Pessoa de Meia-Idade , Prevalência , Violência
14.
Am J Geriatr Psychiatry ; 29(11): 1152-1159, 2021 11.
Artigo em Inglês | MEDLINE | ID: mdl-33518464

RESUMO

OBJECTIVE: Before the COVID-19 pandemic, elder abuse affected one in 10 American older adults annually. It has been assumed that the pandemic has brought with it a surge in elder abuse due to individuals ordered to stay at home combined with increased interpersonal stressors. However, empirical evidence is lacking. This study aims to estimate the prevalence of, and risk and resilience factors of elder abuse during the pandemic. METHODS: The survey was conducted via two online platforms during April 23 and May 5, 2020, when all states had stay-at-home orders. The final cohort consisted of a sociodemographically diverse sample of 897 older persons in the United States. The prevalence of elder abuse was evaluated by a validated measure previously used in a population-based study of elder abuse. Pandemic-related factors were examined at the community, relational, and individual contexts. We conducted multivariate logistic regression analyses to examine determinants of elder abuse. RESULTS: One in five older persons in the study sample (n = 191; 21.3%) reported elder abuse, an increase of 83.6% from prevalence estimates before the pandemic. In the final models, sense of community emerged as a persistent protective factor for elder abuse (odds ratio [OR]: 0.89, 95% confidence interval [CI]: 0.85-0.93). At the relational level, physical distancing was associated with reduced risk of elder abuse (OR: 0.94, 95% CI: 0.90-0.98). At the individual level, financial strain was associated with increased risk of abuse (OR: 1.08, 95% CI: 1.02-1.14). CONCLUSION: Health care professionals and policy makers must be prepared to address the increase in elder abuse associated with the evolving pandemic.


Assuntos
COVID-19 , Abuso de Idosos , Idoso , Idoso de 80 Anos ou mais , Humanos , Pandemias , Prevalência , Fatores de Proteção , Fatores de Risco , SARS-CoV-2 , Estados Unidos/epidemiologia
15.
J Elder Abuse Negl ; 33(1): 1-16, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33375925

RESUMO

Elder abuse impacts one in six older persons globally. Most studies of elder abuse have focused on risk factors rather than protective factors, individual-level factors rather than structural factors, and developed countries rather than developing countries where resources are scarce. The current study addressed these gaps by examining whether neighborhood social cohesion and physical order could be such structural-level protective factors for older persons in India. Our cohort consisted of 541 participants aged 60 and over in the pilot wave of the Longitudinal Aging Study in India. We found that older persons with high neighborhood social cohesion were 38% less likely to experience abuse compared to older persons with low cohesion (OR = 0.62, 95% CI = 0.39-0.99). Similarly, participants with high neighborhood physical order were 48% less likely to experience abuse compared to older persons with low physical order (OR = 0.52, 95% CI = 0.32-0.83). Both models adjusted for relevant covariates. Policies supporting greater cohesion and order in communities could reap significant health benefits for older persons.


Assuntos
Abuso de Idosos , Idoso , Idoso de 80 Anos ou mais , Envelhecimento , Estudos Transversais , Abuso de Idosos/prevenção & controle , Humanos , Índia , Estudos Longitudinais , Pessoa de Meia-Idade , Fatores de Risco
17.
Am J Geriatr Psychiatry ; 29(3): 251-256, 2021 03.
Artigo em Inglês | MEDLINE | ID: mdl-32917477

RESUMO

OBJECTIVE: To identify the current prevalence, and sociodemographic, military, health, and psychosocial correlates of successful aging in older US veterans. METHODS: Data were analyzed from the 2019-2020 National Health and Resilience in Veterans Study, which surveyed a nationally representative sample of 3,001 US veterans aged greater than or equal to 60 years (mean = 73). Multiple regression and relative importance analyses were conducted to identify key factors associated with successful aging. RESULTS: A total 79% of older veterans rated themselves as aging successfully. Physical and mental health difficulties emerged as the strongest correlates of successful aging (71% variance explained), while psychosocial factors, most notably perceived resilience, purpose in life, and positive expectations about emotional aging, explained 29% of the variance in this outcome. CONCLUSIONS: Nearly 4 of 5 US veterans rate themselves as successful agers. Prevention and treatment efforts designed to mitigate physical and mental health difficulties, and promote protective psychosocial factors may help bolster successful aging in this population.


Assuntos
Envelhecimento Saudável , Resiliência Psicológica , Veteranos/psicologia , Idoso , Feminino , Envelhecimento Saudável/fisiologia , Envelhecimento Saudável/psicologia , Humanos , Masculino , Saúde Mental , Fatores de Proteção , Psicologia , Estados Unidos
19.
Artigo em Inglês | MEDLINE | ID: mdl-32824658

RESUMO

We explored psychosocial pathways to longevity, specifically, the association between psychological well-being and mortality in a 20-year prospective cohort study of 7626 participants. As hypothesized, high self-acceptance and interdependence were associated with decreased mortality risk, controlling for other psychological components (purpose, positive relations, growth, mastery) and potential confounders: personality, depression, self-rated health, smoking status, body mass index (BMI), illness, and demographics. Self-acceptance decreased mortality risk by 19% and added three years of life. Longevity expectation fully mediated the relationship between self-acceptance and mortality. Interdependence decreased mortality risk by 17% and added two years of life. Serenity towards death fully mediated the relationship between interdependence and mortality. This is the first known study to investigate self-acceptance, interdependence, and serenity toward death as promoters of longevity, and distilled the relative contributions of these factors, controlling for covariates-all of which were measured over multiple time points. Theoretically, this study suggests that components of well-being may make meaningful contributions to longevity, and practically recommend that self-acceptance and interdependence could be added to interventions to promote aging health.


Assuntos
Envelhecimento , Longevidade , Feminino , Humanos , Masculino , Personalidade , Estudos Prospectivos
20.
J Gerontol B Psychol Sci Soc Sci ; 75(8): e198-e203, 2020 09 14.
Artigo em Inglês | MEDLINE | ID: mdl-32835364

RESUMO

OBJECTIVES: Most studies of aging cognition have focused on risk factors for worse performance and on either genetic or environmental factors. In contrast, we examined whether 2 factors known to individually benefit aging cognition may interact to produce better cognition: environment-based positive age beliefs and the APOE ε2 gene. METHOD: The sample consisted of 3,895 Health and Retirement Study participants who were 60 years or older at baseline and completed as many as 5 assessments of cognition over 8 years. RESULTS: As predicted, positive age beliefs amplified the cognitive benefit of APOE ε2. In contrast, negative age beliefs suppressed the cognitive benefit of APOE ε2. We also found that positive age beliefs contributed nearly 15 times more than APOE ε2 to better cognition. DISCUSSION: This study provides the first known evidence that self-perceptions can influence the impact of a gene on cognition. The results underscore the importance of combined psychosocial and biological approaches to understanding cognitive function in older adults.


Assuntos
Envelhecimento/genética , Apolipoproteína E2/genética , Características Culturais , Cultura , Amplificação de Genes/genética , Interação Gene-Ambiente , Idoso , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Autoimagem , Meio Social
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