S M Hofer

Summary

Affiliation: Pennsylvania State University
Country: USA

Publications

  1. ncbi request reprint Understanding Ageing. An evaluation of research designs for assessing the interdependence of ageing-related changes
    S M Hofer
    Department of Human Development and Family Studies, Pennsylvania State University, University Park, PA 16802, USA
    Gerontology 47:341-52. 2001
  2. ncbi request reprint Evaluating the interdependence of aging-related changes in visual and auditory acuity, balance, and cognitive functioning
    Scott M Hofer
    Department of Human Development and Family Studies, Pennsylvania State University, University Park 16802, USA
    Psychol Aging 18:285-305. 2003
  3. ncbi request reprint Change in cognitive functioning associated with apoE genotype in a community sample of older adults
    Scott M Hofer
    Department of Human Development and Family Studies, Pennsylvania State University, University Park 16802, USA
    Psychol Aging 17:194-208. 2002
  4. doi request reprint Genetic architecture for hole-board behaviors across substantial time intervals in young, middle-aged and old mice
    J E Foreman
    Center for Developmental and Health Genetics, The Pennsylvania State University, University Park, PA 16802 2317, USA
    Genes Brain Behav 8:714-27. 2009
  5. ncbi request reprint Developmental loss of effect of a Chromosome 15 QTL on alcohol acceptance
    G E McClearn
    Department of Biobehavioral Health, Pennsylvania State University, University Park, Pennsylvania 16802, USA
    Mamm Genome 9:991-4. 1998
  6. ncbi request reprint Behavioral and psychological symptoms of dementia and caregivers' stress appraisals: intra-individual stability and change over short-term observations
    E B Fauth
    Department of Human Development and Family Studies, The Pennsylvania State University, Pennsylvania, USA
    Aging Ment Health 10:563-73. 2006
  7. ncbi request reprint Genes as gerontological variables: genetically heterogeneous stocks and complex systems
    G E McClearn
    Center for Developmental and Health Genetics, The Pennsylvania State University, University Park 16802, USA
    Neurobiol Aging 20:147-56. 1999
  8. pmc Intraindividual coupling of daily stress and cognition
    Martin J Sliwinski
    Department of Psychology and Center for Health and Behavior, Syracuse University, NY 13244, USA
    Psychol Aging 21:545-57. 2006
  9. ncbi request reprint Type 2 diabetes mellitus contributes to cognitive decline in old age: a longitudinal population-based study
    Linda B Hassing
    Department of Psychology, Goteborg University, Goteborg, Sweden
    J Int Neuropsychol Soc 10:599-607. 2004
  10. ncbi request reprint Longitudinal changes in physical functional performance among the oldest old: insight from a study of Swedish twins
    David N Proctor
    Department of Kinesiology, Pennsylvania State University, University Park, PA 16802, USA
    Aging Clin Exp Res 18:517-30. 2006

Collaborators

Detail Information

Publications28

  1. ncbi request reprint Understanding Ageing. An evaluation of research designs for assessing the interdependence of ageing-related changes
    S M Hofer
    Department of Human Development and Family Studies, Pennsylvania State University, University Park, PA 16802, USA
    Gerontology 47:341-52. 2001
    ....
  2. ncbi request reprint Evaluating the interdependence of aging-related changes in visual and auditory acuity, balance, and cognitive functioning
    Scott M Hofer
    Department of Human Development and Family Studies, Pennsylvania State University, University Park 16802, USA
    Psychol Aging 18:285-305. 2003
    ..These findings indicate that the effects of aging on sensory acuity, balance, and cognitive functioning are likely to be largely independent, multidimensional, and complex at the level of the individual...
  3. ncbi request reprint Change in cognitive functioning associated with apoE genotype in a community sample of older adults
    Scott M Hofer
    Department of Human Development and Family Studies, Pennsylvania State University, University Park 16802, USA
    Psychol Aging 17:194-208. 2002
    ..These results support previous findings that apoE-epsilon4 is associated with accelerated memory deterioration in individuals without clinical dementia...
  4. doi request reprint Genetic architecture for hole-board behaviors across substantial time intervals in young, middle-aged and old mice
    J E Foreman
    Center for Developmental and Health Genetics, The Pennsylvania State University, University Park, PA 16802 2317, USA
    Genes Brain Behav 8:714-27. 2009
    ....
  5. ncbi request reprint Developmental loss of effect of a Chromosome 15 QTL on alcohol acceptance
    G E McClearn
    Department of Biobehavioral Health, Pennsylvania State University, University Park, Pennsylvania 16802, USA
    Mamm Genome 9:991-4. 1998
    ..The results provide a further confirmation of the Chr 15 QTL in young mice, offer a new perspective on the development of alcohol-related phenotypes, and have strong implications for research design...
  6. ncbi request reprint Behavioral and psychological symptoms of dementia and caregivers' stress appraisals: intra-individual stability and change over short-term observations
    E B Fauth
    Department of Human Development and Family Studies, The Pennsylvania State University, Pennsylvania, USA
    Aging Ment Health 10:563-73. 2006
    ..Covariates were used to explain individual differences in rates of change; however few variables were significantly associated with intra-individual short-term change over time...
  7. ncbi request reprint Genes as gerontological variables: genetically heterogeneous stocks and complex systems
    G E McClearn
    Center for Developmental and Health Genetics, The Pennsylvania State University, University Park 16802, USA
    Neurobiol Aging 20:147-56. 1999
    ..Genetically heterogeneous stocks are of particularly high potential value in the study of complex systems. Some examples of their use in a gerontological context are provided...
  8. pmc Intraindividual coupling of daily stress and cognition
    Martin J Sliwinski
    Department of Psychology and Center for Health and Behavior, Syracuse University, NY 13244, USA
    Psychol Aging 21:545-57. 2006
    ..These results are consistent with theories that postulate that stress-related cognitive interference competes for attentional resources...
  9. ncbi request reprint Type 2 diabetes mellitus contributes to cognitive decline in old age: a longitudinal population-based study
    Linda B Hassing
    Department of Psychology, Goteborg University, Goteborg, Sweden
    J Int Neuropsychol Soc 10:599-607. 2004
    ..These findings points to the conclusion that type 2 diabetes is associated with accelerated cognitive decline in old age that may result in dementia...
  10. ncbi request reprint Longitudinal changes in physical functional performance among the oldest old: insight from a study of Swedish twins
    David N Proctor
    Department of Kinesiology, Pennsylvania State University, University Park, PA 16802, USA
    Aging Clin Exp Res 18:517-30. 2006
    ....
  11. ncbi request reprint Concordance of self-report and informant assessment of emotional well-being in nursing home residents with dementia
    Ann Kolanowski
    Penn State University School of Nursing, 307F HHD East University Park, PA 16802, USA
    J Gerontol B Psychol Sci Soc Sci 62:P20-7. 2007
    ..We recommend statistical techniques that describe these high levels of daily variation in persons with dementia...
  12. ncbi request reprint A latent growth curve analysis of late-life sensory and cognitive function over 8 years: evidence for specific and common factors underlying change
    Kaarin J Anstey
    Centre for Mental Health Research, Australian National University, Canberra, Australian Capital Territory
    Psychol Aging 18:714-26. 2003
    ..Rate of change in Hearing was weakly associated with rate of change in Memory. The results support a theory incorporating a major role for unique factors in addition to common factors underlying sensory and cognitive change in old age...
  13. ncbi request reprint Correlated and coupled cognitive change in older adults with and without preclinical dementia
    Martin J Sliwinski
    Department of Psychology, Syracuse University, Syracuse, New York 13244, USA
    Psychol Aging 18:672-83. 2003
    ..45-.51) than in the noncases (.07-.18). These results demonstrate that correlated change may either signify causal commonality or the cumulative effects of multiple age-related conditions that can affect multiple cognitive systems...
  14. ncbi request reprint Modeling memory decline in older adults: the importance of preclinical dementia, attrition, and chronological age
    Martin J Sliwinski
    Department of Psychology, Syracuse University, Syracuse, New York 13244, USA
    Psychol Aging 18:658-71. 2003
    ..These results suggest that much of memory loss in aging adults may be attributable to the progression of preclinical dementia and other nonnormative aging processes that are not captured by chronological age...
  15. ncbi request reprint Short-term versus long-term longitudinal changes in processing speed
    Daniel Zimprich
    Department of Gerontopsychology, University of Zurich, Zurich, Switzerland
    Gerontology 50:17-21. 2004
    ..Previous longitudinal studies of cognitive aging have focused on long-term performance changes. A recent surge of research has demonstrated that there are reliable interindividual differences in short-term cognitive performance changes...
  16. ncbi request reprint Intraindividual variability, change, and aging: conceptual and analytical issues
    Mike Martin
    Department of Gerontopsychology, Institute of Psychology, Zurich, Switzerland
    Gerontology 50:7-11. 2004
    ..Such designs assume that short-term variations in cognitive performance are small relative to long-term changes or have modeled such phenomena as nuisance parameters...
  17. ncbi request reprint Population inference with mortality and attrition in longitudinal studies on aging: a two-stage multiple imputation method
    Ofer Harel
    Department of Statistics, University of Connecticut, Storrs, Connecticut 06269 4120, USA
    Exp Aging Res 33:187-203. 2007
    ..An empirical example using data from the OCTO-Twin study is presented that shows the utility of his procedure for making inferences conditional on mortality when mortality data are incomplete...
  18. doi request reprint The role of processing resources in age-related prospective and retrospective memory within old age
    Melanie Zeintl
    Department of Psychology, University of Zurich, Switzwerland
    Psychol Aging 22:826-34. 2007
    ..Results indicate that, within old age, prospective memory represents a distinct memory construct that is partially independent of age-related individual differences in speed of processing, working memory, and retrospective memory...
  19. ncbi request reprint Cross-sectional and longitudinal patterns of dedifferentiation in late-life cognitive and sensory function: the effects of age, ability, attrition, and occasion of measurement
    Kaarin J Anstey
    Centre for Mental Health Research, Australian National University, Canberra, Australian Capital Territory
    J Exp Psychol Gen 132:470-87. 2003
    ..These results do not support the view that shared biological factors become increasingly important for explaining within-individual change in cognitive and sensory function in later life...
  20. ncbi request reprint Comorbid type 2 diabetes mellitus and hypertension exacerbates cognitive decline: evidence from a longitudinal study
    Linda B Hassing
    Department of Psychology, Goteborg University, Goteborg, Sweden
    Age Ageing 33:355-61. 2004
    ..diabetes and hypertension are two highly prevalent diseases in the old population. They are highly related such that comorbidity is common...
  21. ncbi request reprint Effects of repeated testing in a longitudinal age-homogeneous study of cognitive aging
    Valgeir Thorvaldsson
    Department of Psychology, Goteborg University, Goteborg, Sweden
    J Gerontol B Psychol Sci Soc Sci 61:P348-54. 2006
    ....
  22. pmc Psychopathology in young people with intellectual disability
    Stewart L Einfeld
    School of Psychiatry, University of New South Wales, 190 Russell Ave, Dolls Point, NSW 2219, Australia corrected
    JAMA 296:1981-9. 2006
    ..Although these problems are known to begin in early childhood, little is known of how they evolve over time or whether they continue into adulthood...
  23. ncbi request reprint Social context in gene-environment interactions: retrospect and prospect
    Michael J Shanahan
    Department of Sociology, University of North Carolina, Chapel Hill, NC 27599 3210, USA
    J Gerontol B Psychol Sci Soc Sci 60:65-76. 2005
    ..In turn, these insights call for the integration of life course sociology and behavioral genetics to foster ways of studying genes, context, and aging...
  24. ncbi request reprint Terminal decline and markers of cerebro- and cardiovascular disease: findings from a longitudinal study of the oldest old
    Linda B Hassing
    Institute of Gerontology, University College of Health Sciences, Jonkoping, Sweden
    J Gerontol B Psychol Sci Soc Sci 57:P268-76. 2002
    ....
  25. ncbi request reprint Change in cognitive capabilities in the oldest old: the effects of proximity to death in genetically related individuals over a 6-year period
    Boo Johansson
    Department of Psychology, University of Goteborg, Goteborg, Sweden
    Psychol Aging 19:145-56. 2004
    ..These findings highlight several challenges for estimating genetic sources of variance in the context of compromised health and mortality-related change...
  26. ncbi request reprint Investigating age differences in the genetic and environmental structure of the tridimensional personality questionnaire in later adulthood
    Noa Heiman
    Institute for Behavioral Genetics, University of Colorado, Boulder, USA
    Behav Genet 33:171-80. 2003
    ..For HA, RD, and PS there were no significant age-related differences in total variance. However, for NS we observed a decline in total phenotypic variance across age cohorts...
  27. ncbi request reprint The influence of mortality on twin models of change: addressing missingness through multiple imputation
    Nancy L Pedersen
    Department of Medical Epidemiology, Karolinska Institutet, Stockholm, Sweden
    Behav Genet 33:161-9. 2003
    ..Results indicated that twin similarity for slopes decreases when mortality is accounted for, but that considerable age-related covariation remains...
  28. ncbi request reprint Longitudinal designs, methods and analysis in psychiatric research
    Kaarin J Anstey
    Centre for Mental Health Research, Australian National University, Canberra ACT 0200, Australia
    Aust N Z J Psychiatry 38:93-104. 2004
    ..To outline the strengths and limitations of longitudinal research designs in psychiatry, and to describe different types of longitudinal designs and methods for analyzing longitudinal data...