Explanipedia

Predicting cognitive status in stroke survivors from driving performance Open

Stefan Delmas, Anjali Tiwari, Sharon N. Poisson, Manfred Diehl, Neha Lodha · 2025

INTRODUCTION This study aimed to determine whether simulated driving performance can reliably predict cognitive impairment in stroke survivors. METHODS Cognitively impaired ( n = 35) and normal ( n = 54) stroke survivors completed a simula…

Testing the purported mechanisms of the AgingPLUS intervention: Effects on physical activity outcomes. Open

Manfred Diehl, Han-Yun Tseng, George W. Rebok, Kaigang Li, Abigail Nehrkorn-Bailey , et al. · 2025

Following the experimental medicine approach, Diehl et al. (2023) demonstrated the malleability of negative views of aging (NVOA), self-efficacy beliefs, and exercise intention in middle-aged and older adults who participated in the AgingP…

Implications of Intra-Individual Variability in Motor Performance on Functional Mobility in Stroke Survivors Open

Neha Lodha, Prakruti Patel, Evangelos A. Christou, Anjali Tiwari, Manfred Diehl · 2025

Background: Motor impairments following stroke contribute to deficits in functional mobility. Traditionally, these impairments are quantified by mean-level motor performance. However, this mean-level approach neglects the well-established …

Amplified Intraindividual Variability in Motor Performance in Stroke Survivors: Links to Cognitive and Clinical Outcomes Open

Stefan Delmas, Anjali Tiwari, Han‐Yun Tseng, Sharon N. Poisson, Manfred Diehl , et al. · 2025

Background Intraindividual variability (IIV) in motor performance reflects unintentional fluctuations in the motor output across repeated attempts. Behavioral variability in older adults has been linked to impaired neuronal integrity and c…

Examining the malleability of implicit views of aging in middle-aged and older adults. Open

Han-Yun Tseng, Alison L. Chasteen, Manfred Diehl · 2024

Negative views of aging (VoA) present a motivational barrier to healthy aging. Although prior interventions have demonstrated success in making adults' negative VoA more positive, reliance on self-report-based explicit measures is insuffic…

Walking performance differs between people with multiple sclerosis who perform distinct types of exercise Open

Kristin A. Johnson, Victoria M. Bandera, Manfred Diehl, Heather J. Leach, Brett W. Fling · 2024

Aim: To determine whether walking performance differed between people with multiple sclerosis (MS) who performed distinct types, volumes and intensities of exercise.Materials & methods: Forty-five people with relapsing-remitt…

Psychometric Properties and Measurement Invariance of the Awareness of Age-Related Change Short Form in Older Adult Samples From Taiwan and Germany Open

Han-Yun Tseng, Chi‐Shin Wu, Chun‐Yi Lee, I‐Chien Wu, Hsing‐Yi Chang , et al. · 2024

Background and Objectives This study examined the psychometric properties and measurement invariance of the 10-item Awareness of Age-Related Change Short Form (AARC-SF) questionnaire in a Chinese-speaking sample of older adults in Taiwan. …

Successful Aging and Subjective Aging: Toward a Framework to Research a Neglected Connection Open

Serena Sabatini, Fiona S. Rupprecht, Roman Kaspar, Verena Klusmann, Anna E. Kornadt , et al. · 2024

Research related to subjective aging, which describes how individuals perceive, interpret, and evaluate their own aging, has substantially grown in the past 2 decades. Evidence from longitudinal studies shows that subjective aging predicts…

GETTING OLDER ADULTS INVOLVED IN CLIMATE CHANGE INITIATIVES: REFRAMING AGING AS A POTENTIAL APPROACH Open

Manfred Diehl · 2023

In the context of climate change, older adults are often solely portrayed in terms of vulnerability and victimization. Although older adults’ vulnerability to the growing effects of climate change and natural disasters is an important topi…

Self-perceptions of aging: A conceptual and empirical overview Open

Manfred Diehl, Hans‐Werner Wahl · 2023

Differences in self-perceptions of aging across the adult lifespan: The sample case of awareness of age-related gains and losses. Open

Roman Kaspar, Oliver Schilling, Manfred Diehl, Denis Gerstorf, Fiona S. Rupprecht , et al. · 2023

Rooted in the premises of lifespan developmental theory, the concept of awareness of age-related change (AARC) posits that growing older comes with both experiences of gains and losses across different behavioral domains. However, little i…

Levels of awareness of age-related gains and losses throughout adulthood and their developmental correlates. Open

Serena Sabatini, Fiona S. Rupprecht, Manfred Diehl, Hans‐Werner Wahl, Roman Kaspar , et al. · 2023

Views of aging predict key developmental outcomes. Less is known, however, about the consequences of constellations of domain-specific perceived gains and losses across the full adult lifespan. First, we explored levels of awareness of age…

Testing Bidirectionality in Associations of Awareness of Age-Related Gains and Losses With Physical, Mental, and Cognitive Functioning Across 1 Year: The Role of Age Open

Serena Sabatini, Hans‐Werner Wahl, Manfred Diehl, Linda Clare, Clive Ballard , et al. · 2023

Objectives The bidirectionality between self-perceptions of aging and health-related outcomes may depend on age group. Therefore, we tested such bidirectionality among individuals in late midlife (50–64 years), young-old age (65-74 years),…

Examining the Malleability of Negative Views of Aging, Self-Efficacy Beliefs, and Behavioral Intentions in Middle-Aged and Older Adults Open

Manfred Diehl, George W. Rebok, David L. Roth, Abigail Nehrkorn-Bailey, Diana Rodriguez , et al. · 2023

Objectives This study examined the malleability of a tripartite cluster of purported mechanistic variables targeted in a 4-week intervention program designed to improve adults’ engagement in physical activity. The targeted cluster of purpo…

Awareness of Age-Related Gains and Losses in a National Sample of Adults Aged 80 Years and Older: Cross-Sectional Associations With Health Correlates Open

Roman Kaspar, Hans‐Werner Wahl, Manfred Diehl · 2023

Background and Objectives Advanced old age is a life stage with a high likelihood of age-related loss experiences. However, little is known about remaining gain experiences and their relation with perceived losses and health correlates in …

Older adults’ perceptions of ageism before and during the COVID-19 pandemic Open

Alison L. Chasteen, April Pereira, Maria Iankilevitch, Manfred Diehl, M. Kathleen Pichora‐Fuller · 2023

The present findings suggest caution when interpreting the effects of ageism on well-being during the pandemic, as those associations may already have existed pre-pandemic. The finding that perceptions of continued growth positively predic…

Longitudinal effects of subjective aging on health and longevity: An updated meta-analysis. Open

Gerben J. Westerhof, Abigail Nehrkorn-Bailey, Han-Yun Tseng, Allyson Brothers, Jelena Siebert , et al. · 2023

This article updates and extends an earlier meta-analysis (Westerhof et al., 2014) on the longitudinal effects of subjective aging (SA) on health outcomes. A systematic search in different databases (APA PsycInfo, PubMed, Web of Science, a…

Valuing negative affect weakens affect-health linkages: similarities and differences across affect valuation measures Open

Gloria Luong, James W. Miller, David Kirkland, Jessica L. Morse, Cornelia Wrzus , et al. · 2023

Change in Views of Aging, Physical Activity, and Physical Health Over 8 Weeks: Results From a Randomized Study Open

Abigail Nehrkorn-Bailey, Diana Rodriguez, G. Alfred Forsyth, Barry Braun, Kimberly M. Burke , et al. · 2023

The AgingPLUS program targets motivational barriers, including negative views of aging, as mechanisms to increase adult physical activity. A pilot study was conducted to test the efficacy of this new program against a generic successful ag…

THE EFFECT OF SUBJECTIVE AGING ON HEALTH AND SURVIVAL: A SYSTEMATIC REVIEW OF LONGITUDINAL DATA Open

Gerben J. Westerhof, Abigail Nehrkorn-Bailey, Allyson Brothers, Jelena Siebert, Han‐Yun Tseng , et al. · 2022

Longitudinal effects of subjective age on adult health and survival are well-documented (Westerhof et al., 2014). This systematic review provides an updated and expanded evaluation of the state of the field. A systematic search in PsycInfo…

ADULTS' VIEWS OF AGING AS AN UNDERESTIMATED RISK FACTOR FOR HEALTH, WELL-BEING, AND LONGEVITY Open

Manfred Diehl, Susanne Wurm, Becca R. Levy · 2022

Worldwide population aging has greatly increased the diversity of the “aging enterprise.” Research has established a solid portfolio of evidence showing that positive and negative views of aging represent independent resilience or risk fac…

THE EFFECT OF SELF-PERCEPTIONS OF AGING ON PHYSICAL ACTIVITY: RESULTS FROM THE AGINGPLUS STUDY Open

Abigail Nehrkorn-Bailey, Han‐Yun Tseng, Diana Rodriguez, Kaigang Li, George W. Rebok , et al. · 2022

The AgingPLUS program targets negative self-perceptions of aging (SPA) as one mechanism to increase physical activity (PA) in adults. This study utilized a mediation model to examine the effect of AgingPLUS on subsequent PA with SPA includ…

Awareness of age-related change in the context of major life events Open

Fiona S. Rupprecht, Serena Sabatini, Manfred Diehl, Denis Gerstorf, Roman Kaspar , et al. · 2022

Although gains and losses are an integral part of human development, the experience of change and readjustment that often comes with major life events may be particularly influential for an individual's subjective aging experience and awar…

Subjective views of aging in very old age: Predictors of 2-year change in gains and losses. Open

Roman Kaspar, Hans‐Werner Wahl, Manfred Diehl, Susanne Zank · 2022

This study examined trajectories of awareness of age-related change (AARC; Diehl & Wahl, 2010) across 2 years in a large representative sample of very old adults. We also examined the predictive role of health, functional status, cognitive…

Has the COVID-19 pandemic affected older adults’ personal and general views on aging? Evidence for losses and gains. Open

Hans‐Werner Wahl, Markus Wettstein, Han-Yun Tseng, Anna Schlomann, Laura I. Schmidt , et al. · 2022

The coronavirus disease (COVID-19) pandemic might have affected older adults' personal and general views on aging (VoA) because they were frequently, particularly during the early phase of the pandemic, portrayed as a homogeneous, vulnerab…

Differences in awareness of positive and negative age-related changes accounting for variability in health outcomes Open

Serena Sabatini, Obioha C. Ukoumunne, Allyson Brothers, Manfred Diehl, Hans‐Werner Wahl , et al. · 2022

Emotional reactivity to daily stressors: Does stressor pile-up within a day matter for young-old and very old adults? Open

Oliver Schilling, Denis Gerstorf, Anna J Lücke, Martin Katzorreck, Hans‐Werner Wahl , et al. · 2021

Over the past decade, many studies have reported individual differences in negative emotional reactions to daily stressful events. However, whether and how individual and age-related differences in emotional reactivity also depend on the t…

Identifying predictors of self-perceptions of aging based on a range of cognitive, physical, and mental health indicators: Twenty-year longitudinal findings from the ILSE study. Open

Serena Sabatini, Jelena Siebert, Manfred Diehl, Allyson Brothers, Hans‐Werner Wahl · 2021

Research exploring whether health predicts self-perceptions of aging (SPA) has mostly focused on single predictors and has been hampered by short observational intervals. We examined whether 20-year changes in cognitive functioning, physic…

AgingPLUS: A Randomized Trial to Increase Physical Activity in Middle-Aged and Older Adults Open

Manfred Diehl, Jennifer A. Schrack · 2021

Engagement in physical activity (PA) has well-documented benefits for delaying or preventing age-related diseases. Thus, it is important to study innovative ways to increase PA in the adult population. This symposium describes AgingPLUS, a…

Examining the Effects of the AgingPLUS Program on Physical Activity: A Multiple Mediator Model Open

Abigail Nehrkorn-Bailey, George W. Rebok, David L. Roth, Shang-en Chung, Kaigang Li , et al. · 2021

This study examined the effect of the AgingPLUS program on anticipated physical activity (PA) and PA engagement, along with the hypothesized mediator roles of self-efficacy (SE) and exercise intention (EI). Data came from 147 participants …

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