scholarly journals A cross-sectional study on interference control: age affects reactive control but not proactive control

PeerJ ◽  
2020 ◽  
Vol 8 ◽  
pp. e8365 ◽  
Author(s):  
Yanfang Peng ◽  
Qin Zhu ◽  
Biye Wang ◽  
Jie Ren
Keyword(s):  
Middle Ages ◽  
Middle Age ◽  
The Elderly ◽  
Efficiency Score ◽  
Interference Control ◽  
Reactive Control ◽  
Cross Sectional ◽  
Age Related ◽  
The Difference ◽  
The Impact

Background Working memory updating (WMU), a controlled process to continuously adapt to the changing task demand and environment, is crucial for cognitive executive function. Although previous studies have shown that the elderly were more susceptible to cognitive interference than the youngsters, the picture of age-related deterioration of WMU is incomplete due to lack of study on people at their middle ages. Thus, the present study investigated the impact of age on the WMU among adults by a cross-sectional design to verify whether inefficiency interference control accounts for the aging of WMU. Methods In total, 112 healthy adults were recruited for this study; 28 old adults (21 female) ranging from 60 to 78 years of age; 28 middle-age adults (25 female) ranging from 45 to 59 years of age; 28 adults (11 female) ranging from 26 to 44 years of age; and 28 young adults (26 female) ranging from 18 to 25 years of age. Each participant completed a 1-back task. The inverse efficiency score was calculated in various sequences of three trials in a row to quantify the performance of WMU for adults of various ages. Results Inverse efficiency score of both young groups (young adult and adult) were significantly shorter than the old group in both Repeat-Alternate (RA, including □□○ and ○○□) and Alternate-Alternate (AA, including ○□○ and □○□) sequential patterns and they were additionally better than the middle-age group in AA sequential pattern. Conclusion With the increase of difficulty in the task, the difference in reactive interference control between young and middle age was gradually revealed, while the difference between young and old remained to apparent. The degradation of WMU aging may begin from middle-age and presents selective impairment in that only reactive interference control, but not proactive interference control, shows pronounced age-related decline. The preliminary results can inform future studies to further explore the whole lifespan trajectories of cognitive functions.

scholarly journals Age-Related Olfactory Decline Is Associated With Levels of Exercise and Non-exercise Physical Activities

2021 ◽  
Vol 13 ◽  
Author(s):  
Giorgia Sollai ◽  
Roberto Crnjar
Keyword(s):  
Social Activity ◽  
The Elderly ◽  
Physical Activities ◽  
Olfactory Function ◽  
Elderly Subjects ◽  
Active Lifestyle ◽  
Cross Sectional ◽  
Age Related ◽  
Daily Physical Activities ◽  
The Impact

Objective: This cross-sectional study evaluates the impact of active or non-active lifestyle in terms of physical, cognitive and social activity on the olfactory function in Elderly Subjects (ES) and aims at looking for a correlation between the time devoted to life activities and the score obtained during the olfactory tests by each individual.Methods: One hundred and twenty-two elderly volunteers were recruited in Sardinia (Italy) and divided into active ES (n = 60; 17 men, 43 women; age 67.8 ± 1.12 years) and inactive ES (n = 62; 21 men, 41 women, age 71.1 ± 1.14 years) based on their daily physical activities. The olfactory function was evaluated using the “Sniffin’s Sticks” battery test, while the assessment of daily activities was made by means of personal interviews.Results: A significant effect of active or inactive lifestyle was found on the olfactory function of ES (F(1,120) > 10.16; p < 0.005). A positive correlation was found between the olfactory scores and the number of hours per week dedicated to physical activities (Pearson’s r > 0.32, p ≤ 0.014) in both active and inactive ES.Conclusions: High levels of exercise and non-exercise physical activity are strongly associated with the olfactory function and, consequently, with the quality of life of the elderly. Given the limited physical exercise of elderly people, they can benefit from a more active lifestyle by increasing non-exercise physical activities.

scholarly journals Dual Effects of Hearing Loss and Dementia on Functional Limitations in Older Adults

2020 ◽  
Vol 4 (Supplement_1) ◽  
pp. 214-214
Author(s):  
Michael McKee ◽  
Yunshu Zhou ◽  
Joshua Ehrlich ◽  
Elham Mahmoudi ◽  
Jennifer Deal ◽  
...  
Keyword(s):  
Older Adults ◽  
Hearing Loss ◽  
Self Care ◽  
Household Activity ◽  
Cross Sectional ◽  
Age Related ◽  
Increased Risk ◽  
Lower Mobility ◽  
Independent Effects ◽  
The Impact

Abstract Age-related hearing loss (HL) is both common and associated with elevated risk for cognitive decline and poorer health. To care for an aging population, it is critical to understand the effect of coexisting HL and dementia on functional activities. The effect of co-existing dementia and self-reported HL on daily functioning were assessed. A cross-sectional analysis was performed using nationally-representative data from the 2015 National Health and Aging Trends Study consisting of U.S. adults 65+. The sample included 1,829 adults with HL (22.8%) and 5,338 adults without HL. Multivariable Poisson regression was used to model the independent effects and interaction of self-reported HL and dementia status on three validated functional activity scales (self-care, mobility, and household). All analyses adjusted for sociodemographic and medical factors. HL participants were more likely to be white, older, male, less educated (p <0.01). 8.4% had possible dementia and 6.5% had probable dementia. Respondents with HL or possible or probable dementia had significantly lower mobility, self-care, and household activity scores (p<.001 for all comparisons) compared to their peers. A small yet significant interaction was present in all models, suggesting that HL respondents with co-occurring dementia had lower mobility, self-care, and household activity scores than predicted by the independent effects of dementia and self-reported HL (p<.001 for all comparisons). Older adults with co-occurring dementia and HL are at increased risk for poor functioning and should be screened by healthcare providers. Future work should consider the impact of intervention in this vulnerable/at-risk population.

Firm Characteristics, Relative Efficiency, and Equity Returns

2009 ◽  
Vol 44 (1) ◽  
pp. 213-236 ◽  
Author(s):  
Giao X. Nguyen ◽  
Peggy E. Swanson
Keyword(s):  
Explanatory Power ◽  
Stochastic Frontier ◽  
Efficiency Score ◽  
Equity Returns ◽  
Firm Characteristics ◽  
Stochastic Frontier Approach ◽  
Cross Sectional ◽  
Firm Efficiency ◽  
The Difference ◽  
Sectional Analysis

AbstractThis study uses a stochastic frontier approach to evaluate firm efficiency. The resulting efficiency score, based on firm characteristics, is the input for performance evaluation. The portfolio composed of highly efficient firms significantly underperforms the portfolio composed of inefficient firms even after adjustment for firm characteristics and risk factors, suggesting a required premium for the inefficient firms. The difference in performance between the two portfolios remains for at least five years after the portfolio formation year. In addition, firm efficiency exhibits significant explanatory power for average equity returns in cross-sectional analysis.

Abstract T P136: Potential Contributors to the Declining Impact of Stroke Risk Factors with Age: Implications for Stroke Epidemiology in the Elderly

Stroke ◽  
2014 ◽  
Vol 45 (suppl_1) ◽  
Author(s):  
George Howard ◽  
Mary Cushman ◽  
Maciej Banach ◽  
Brett M Kissela ◽  
David C Goff ◽  
...  
Keyword(s):  
Risk Factors ◽  
Risk Factor ◽  
Stroke Risk ◽  
Multivariable Analysis ◽  
The Elderly ◽  
Stroke Risk Factors ◽  
Age Related ◽  
Increased Risk ◽  
The Impact ◽  
Age Related Changes

Purpose: The importance of stroke research in the elderly is increasing as America is “graying.” For most risk factors for most diseases (including stroke), the magnitude of association with incident events decreases at older ages. Potential changes in the impact of risk factors could be a “true” effect, or could be due to methodological issues such as age-related changes in residual confounding. Methods: REGARDS followed 27,748 stroke-free participants age 45 and over for an average of 5.3 years, during which 715 incident strokes occurred. The association of the “Framingham” risk factors (hypertension [HTN], diabetes, smoking, AFib, LVH and heart disease) with incident stroke risk was assessed in age strata of 45-64 (Young), 65-74 (Middle), and 75+ (Old). For those with and without an “index” risk factor (e.g., HTN), the average number of “other” risk factors was calculated. Results: With the exception of AFib, there was a monotonic decrease in the magnitude of the impact across the age strata, with HTN, diabetes, smoking and LVH even becoming non-significant in the elderly (Figure 1). However, for most factors, the increasing prevalence of other risk factors with age impacts primarily those with the index risk factor absent (Figure 2, example HTN as the “index” risk factor). Discussion: The impact of stroke risk factors substantially declined at older ages. However, this decrease is partially attributable to increases in the prevalence of other risk factors among those without the index risk factor, as there was little change in the prevalence of other risk factors in those with the index risk factor. Hence, the impact of the index risk factor is attenuated by increased risk in the comparison group. If this phenomenon is active with latent risk factors, estimates from multivariable analysis will also decrease with age. A deeper understanding of age-related changes in the impact of risk factors is needed.

Low vitamin D status is associated with hearing loss in the elderly: a cross-sectional study

2020 ◽  
Author(s):  
Betsy Szeto ◽  
Chris Valentini ◽  
Anil K Lalwani
Keyword(s):  
Vitamin D ◽  
Hearing Loss ◽  
Low Frequency ◽  
The Elderly ◽  
Vitamin D Status ◽  
Total Calcium ◽  
Mineral Density ◽  
Cross Sectional ◽  
Age Related ◽  
Increased Risk

ABSTRACT Background The elderly are at increased risk of both hearing loss (HL) and osteoporosis. Bone mineral density (BMD) has been putatively linked to HL. However, the roles of serum calcium concentrations and vitamin D status have yet to be elucidated. Objectives The purpose of this study was to examine the relation between vitamin D status, parathyroid hormone (PTH), total calcium, BMD, and HL in a nationally representative sample of elderly adults. Methods Using the NHANES (2005–2010), audiometry and BMD data of 1123 participants aged ≥70 y were analyzed in a cross-sectional manner. HL was defined as pure tone averages >25 dB HL at 500, 1000, and 2000 Hz (low frequency); 500, 1000, 2000, and 4000 Hz (speech frequency); and 3000, 4000, 6000, and 8000 Hz (high frequency) in either ear. Multivariable logistic regression was used to examine the relation between HL and total 25-hydroxyvitamin D [25(OH)D], PTH, total calcium, and BMD, adjusting for covariates. Results In multivariable analyses, total 25(OH)D < 20 ng/mL was found to be associated with greater odds of low-frequency HL (OR: 2.02; 95% CI: 1.28, 3.19) and speech-frequency HL (OR: 1.96; 95% CI: 1.12, 3.44). A 1-unit decrease in femoral neck BMD (OR: 4.55; 95% CI: 1.28, 16.67) and a 1-unit decrease in total spine BMD (OR: 6.25; 95% CI: 1.33, 33.33) were found to be associated with greater odds of low-frequency HL. Serum PTH and total calcium were not found to be associated with HL. Conclusions In the elderly, low vitamin D status was associated with low-frequency and speech-frequency HL. Low vitamin D status may be a potential risk factor for age-related HL.

scholarly journals HUBUNGAN PANDEMI COVID-19 DAN PSBB DENGAN GANGGUAN DEPRESI PADA LANSIA DI PANTI WREDA HANA CIPUTAT JAKARTA

2021 ◽  
Vol 1 (1) ◽  
pp. 66
Author(s):  
Anggun Tsabitah Rachmah ◽  
Noer Saelan Tadjudin
Keyword(s):  
Nursing Home ◽  
Large Scale ◽  
Depressive Disorders ◽  
The Elderly ◽  
Elderly Subjects ◽  
Research Subjects ◽  
Chi Square ◽  
Cross Sectional ◽  
The Government ◽  
The Impact

Pemerintah Indonesia selama pandemi COVID-19 menerapkan PSBB (Pembatasan Sosial Berskala Besar) dimana PSBB tersebut membuat aktivitas masyarakat dibatasi, dampaknya juga bisa dirasakan pada lansia di Panti Wreda sehingga dapat menyebabkan timbulnya gangguan depresi. Penelitian ini bertujuan untuk mengetahui hubungan pandemi COVID-19 dan PSBB dengan gangguan depresi pada lansia di Panti Wreda Hana Ciputat Jakarta. Penelitian ini menggunakan metode analitik observational dengan desain studi cross sectional. Penelitian ini dilakukan di Panti Wreda Hana Ciputat Jakarta terhadap lansia sejumlah 56 subjek penelitian yang terdiri dari perempuan 48 orang dan laki-laki 8 orang. Dari 56 subjek penelitian jumlah laki-laki 8 (14,3%) dan perempuan 48 (85,7%). Sebelum terjadinya pandemi COVID-19 dan PSBB, subjek penelitian yang tidak depresi sejumlah 49 subjek (87,5 %), kemungkinan besar depresi 6 subjek (10,7%), dan yang mengalami depresi 1 subjek (1,8%). Selama pandemi COVID19 dan PSBB, subjek penelitian yang tidak depresi 38 subjek (67,9%), kemungkinan besar depresi 14 subjek (25%), dan yang mengalami depresi 4 subjek (7,1%). Berdasarkan hasil uji Chi-square nilai p= 0,000. Dapat disimpulkan terdapat hubungan pandemi COVID-19 dan PSBB dengan gangguan depresi pada lansia di Panti Wreda Hana Ciputat Jakarta. The Government of Indonesia during the COVID-19 pandemic implemented PSBB (Large-Scale Social Restrictions) where the PSBB made community activities restricted, the impact can also be felt on the elderly in nursing home so that it can cause depressive disorders. This research was done in order to determine the relationship of the COVID-19 pandemic and PSBB with depressive disorders in the elderly at the Ciputat Hana Nursing Home in Jakarta. This study used an observational analytic method with a cross sectional study design. The research was conducted at the Ciputat Hana Nursing Home in Jakarta for 56 elderly subjects. In the nursing home consist of 48 women and 8 men. In 56 research subjects, there were 8 (14,3%) men and 48 (85,7%) women. Before the Pandemic of COVID-19 and PSBB, there were 49 (87,5%) research subjects who were not depressed, 6 (10,7%) research subjects who were most likely depressed, and 1 (1,8%) research subject who were depressed. During the Pandemic of COVID-19 and PSBB, there were 38 (67,9%) research subjects who were not depressed, 14 (25%) research subjects who were most likely depressed, and 4 (7,1%) research subjects who were depressed. Based on Chi-Square test result, the value of P = 0,000. In conclusion, there is a correlation between the pandemic of COVID-19 and PSBB with depression disorder in the elderly at Ciputat Hana Nursing Home in Jakarta.

scholarly journals Investigating the business performance on the financial well-being of the Government retirees

2021 ◽  
Vol 124 ◽  
pp. 03006
Author(s):  
Abdul Mutalib Embong ◽  
Norzamziah Afzainizam ◽  
Mariati Norhashim ◽  
Amirsaman Ahmadi
Keyword(s):  
Business Performance ◽  
Profile Analysis ◽  
Descriptive Analysis ◽  
Well Being ◽  
The Elderly ◽  
Population Ageing ◽  
Ageing Population ◽  
Cross Sectional ◽  
The Government ◽  
The Impact

Population ageing; where there is growth in the percentage of older persons in the population; is becoming a worldwide phenomenon due to better healthcare and lower birth rates. The phenomenon of population ageing brings with it both challenges and opportunities. The challenges of an ageing population include social, health and economic support of the elderly. Malaysia is recognizing the need to address this issue of financially supporting an ageing population. The purpose of the paper was to investigate the impact of business on the financial well-being (FWB) of the ageing, specifically the government retirees. A questionnaire-based survey was conducted among retirees who were in business throughout Malaysia that employed a cross sectional design. Forty-one respondents were successfully interviewed. Statistical procedures for the analyses included descriptive analysis and a profile analysis using scatterplot on the perceived business performance vs financial well-being. The survey revealed that the majority of the respondents operated business in the services, trade or retail industries which were set up and fully owned by themselves. Resource wise, the majority had very low financial capital, human capital and social capital. The study provides some empirical evidence that the retirees in business may be categorized into opportunity driven and necessity driven groups. The paper concludes that there is a need to find alternative income generation methods for the necessity driven group. Making paid work accessible to the elderly must be urgently put on the national agenda.

Changes in the Human Vocal Tract Due to Aging and the Acoustic Correlates of Speech Production

2003 ◽  
Vol 46 (3) ◽  
pp. 689-701 ◽  
Author(s):  
Steve An Xue ◽  
Grace Jianping Hao
Keyword(s):  
Speech Production ◽  
Vocal Tract ◽  
Cost Effective ◽  
The Elderly ◽  
Cross Sectional ◽  
Men And Women ◽  
Acoustic Reflection ◽  
Dimensional Changes ◽  
Formant Frequencies ◽  
Age Related

This investigation used a derivation of acoustic reflection (AR) technology to make cross-sectional measurements of changes due to aging in the oral and pharyngeal lumina of male and female speakers. The purpose of the study was to establish preliminary normative data for such changes and to obtain acoustic measurements of changes due to aging in the formant frequencies of selected spoken vowels and their long-term average spectra (LTAS) analysis. Thirty- eight young men and women and 38 elderly men and women were involved in the study. The oral and pharyngeal lumina of the participants were measured with AR technology, and their formant frequencies were analyzed using the Kay Elemetrics Computerized Speech Lab. The findings have delineated specific and similar patterns of aging changes in human vocal tract configurations in speakers of both genders. Namely, the oral cavity length and volume of elderly speakers increased significantly compared to their young cohorts. The total vocal tract volume of elderly speakers also showed a significant increment, whereas the total vocal tract length of elderly speakers did not differ significantly from their young cohorts. Elderly speakers of both genders also showed similar patterns of acoustic changes of speech production, that is, consistent lowering of formant frequencies (especially F1) across selected vowel productions. Although new research models are still needed to succinctly account for the speech acoustic changes of the elderly, especially for their specific patterns of human vocal tract dimensional changes, this study has innovatively applied the noninvasive and cost-effective AR technology to monitor age-related human oral and pharyngeal lumina changes that have direct consequences for speech production.

The Evaluation of the Awareness, Attitude and Practice of the Elderly Toward Self-Medication: A Cross-Sectional Study

Drug Research ◽  
2018 ◽  
Vol 68 (08) ◽  
pp. 475-480
Author(s):  
Mohammad Heidari ◽  
Mansureh Borujeni ◽  
Mansour Ghafourifard ◽  
Rahim Sheikhi
Keyword(s):  
Rural Areas ◽  
The Elderly ◽  
Cross Sectional Study ◽  
Average Score ◽  
Self Medication ◽  
Cross Sectional ◽  
Attitudes And Practices ◽  
Age Related ◽  
Significant Difference ◽  
Urban And Rural Areas

Abstract Introduction The prevalence of various diseases in the elderly has increased the use of drugs, which is coupled with age-related physiological changes and places the elderly at risk for multiple side effects. The present study aimed to determine awareness, attitudes and practices of elderly towards self-medication. Materials and Methods The sample included 300 participants over 60 years under any of the health centers in urban and rural areas of Abadeh city, who were selected based on stratified random sampling method. In order to collect data, the questionnaire including demographic information, awareness, attitude and performance of the elderly and the checklist of drug intractable consumption. Results Based on the results, 76% of the elderly reported drug consumption. Regarding lifestyle, the average score of the elderly’s awareness for the elderly who lived with and without families were 78.6±14.2 and 69.2±13.6, respectively. In other words, a significant difference was observed between these two groups. In addition, there was a significant between the elderly’s performance score with and without family members about the self-medication (p=0.001). Conclusion Considering the increase in self-medication among the elderly, adherence to prescription criteria for drug among this age group is recommended. Finally, designing and implementing various educational programs in health education center is necessary for the elderly and their families for the purpose of improving awareness and practice.

Impact of Tuberculosis in Elderly Population

2018 ◽  
pp. 326-338
Author(s):  
Gagan Chooramani ◽  
Pooja Singh
Keyword(s):  
Clinical Characteristics ◽  
Elderly Population ◽  
The Elderly ◽  
World Health ◽  
Tuberculosis Patients ◽  
Disease Outcomes ◽  
Age Related ◽  
Health Organization ◽  
The Impact ◽  
Poor Memory

The World Health Organization has declared that the spread of tuberculosis is a global emergency. Despite the implementation of strong tuberculosis-control initiatives by WHO, this highly infectious disease continues to affect all vulnerable populations, including the elderly population. Adverse social factors and poor living conditions also affect the elderly much more than the young. The clinical characteristics of tuberculosis in older adults can be unusual and may be confused with age-related illnesses. Various factors related to old age can also cause complications in the diagnosis, treatment, and disease outcomes for tuberculosis patients. The contributory factors may be poor memory, deafness, mental confusion, or impairment of speech. In addition, therapy for tuberculosis in elderly individuals is challenging because of the increased incidence of adverse drug reactions. Hence, understanding the impact of these substantial aspects will help to overcome the problem of tuberculosis in the elderly population.

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