Valgeir Thorvaldsson
Om Valgeir Thorvaldsson
Bakgrund
Grundutbildning i psykologi från Islands universitet 2001 Licentiat i psykologi från Göteborgs universitet 2005 Fil dr i psykologi från Göteborgs universitet 2008 Postdok vid Psykologiska institutionen, Göteborg universitet samt Universitetet i Victoria, BC, Kanada, 2010 Docent vid Psykologiska institutionen, Göteborgs universitet 2015
Undervisning
Kvantitativ metodik, särskilt Bayesiansk dataanalys, flernivåanalyser och strukturell ekvationsmodellering av longitudinella data.
Forskningsintresse
Genetiska samt miljöfaktorers påverkan på kognitivt åldrande och demensrisk bland äldre personer.
Pågående forskning
Vaskulära faktorer betydelse för äldres kognition, födelsekohortskillnader angående kognitivt åldrande samt samband mellan sömnkvalitet och kognition under åldrandet.
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What matters and what matters most for survival after age 80? A multidisciplinary exploration based on twin
data
Boo Johansson, Valgeir Thorvaldsson
Frontiers in Psychology - 2021-01-01 -
Cognitive Changes When Retiring – Findings from a Swedish Population-based Longitudinal
Study
Linn Elena Zulka, Isabelle Hansson, Valgeir Thorvaldsson, Linda Hassing
GSA 2020 Annual Scientific Online Meeting - 2020-01-01 -
I Rate My Memory Quite Similar at Age 40 and at Age 70 Findings in a Swedish Longitudinal Study on Subjective Memory over a 30-Year
Period
Boo Johansson, Marcus Praetorius Björk, Valgeir Thorvaldsson
Geropsych-the Journal of Gerontopsychology and Geriatric Psychiatry - 2020-01-01 -
Child maltreatment and substance use related negative consequences – longitudinal trajectories from early to
mid-adolescence
Johan Melander Hagborg, Valgeir Thorvaldsson, Claudia Fahlke
Addictive Behaviours - 2020-01-01 -
Cholesterol and Cognitive Aging: Between-Person and Within-Person Associations in a Population-Based Representative Sample Not on Lipid-Lowering
Medication
Valgeir Thorvaldsson, Ingmar Skoog, Boo Johansson
Psychology and Aging - 2020-01-01 -
Disentangling the Mechanisms of Retirement Adjustment: Determinants and Consequences of Subjective
Well-Being
Isabelle Hansson, Sandra Buratti, Valgeir Thorvaldsson, Boo Johansson, Anne Ingeborg Berg
Work, Aging and Retirement - 2020-01-01 -
Subjective Sleep Disturbance is Associated with Cognition: A Study of 70-year-olds Followed over 15
Years
Johan Skoog, Boo Johansson, Ingmar Skoog, Valgeir Thorvaldsson
Alzheimer's Association International Conference, Los Angeles, USA. - 2019-01-01 -
Disentangling the Mechanisms of Retirement Adjustment: Determinants and Consequences of Subjective
Well-Being
Isabelle Hansson, Sandra Buratti, Valgeir Thorvaldsson, Boo Johansson, Anne Ingeborg Berg
International Association of Gerontology and Geriatrics European Region Congress (IAGG-ER), Gothenburg, Sweden, May 23-25, 2019 - 2019-01-01 -
The Gothenburg H70 Birth cohort study 2014-16: design, methods and study
population.
Therese Rydberg Sterner, Felicia Ahlner, Kaj Blennow, Synneve Dahlin-Ivanoff, Hanna Falk, Lena Havstam Johansson, Maria Hoff, Mathias Holm, Helena M Hörder, Tina Jacobsson, Boo Johansson, Lena Johansson, Jürgen Kern, Silke Kern, Alejandra Machado, Madeleine Mellqvist Fässberg, Johan Nilsson, Mats Ribbe, Elisabeth Rothenberg, Lina Rydén, André M. Sadeghi, Simona Sacuiu, Jessica Samuelsson, Robert Sigström, Johan Skoog, Valgeir Thorvaldsson, Margda Waern, Eric Westman, Hanna Wetterberg, Henrik Zetterberg, Madeleine Zetterberg, Anna Zettergren, Svante Östling, Ingmar Skoog
European journal of epidemiology - 2019-01-01 -
Association of IL1RAP-related genetic variation with cerebrospinal fluid concentration of Alzheimer-associated tau
protein
Anna Zettergren, Kina Höglund, Silke Kern, Valgeir Thorvaldsson, Johan Skoog, O. Hansson, N. Andreasen, N. Bogdanovic, Kaj Blennow, Ingmar Skoog, Henrik Zetterberg
Scientific Reports - 2019-01-01 -
Do later-born birth cohorts of septuagenarians sleep better? A prospective population-based study of two birth cohorts of
70-year-olds.
Johan Skoog, Robert Sigström, Svante Östling, Hanna Falk, Margda Waern, Valgeir Thorvaldsson, Ingmar Skoog, Boo Johansson
Sleep - 2019-01-01 -
Alcohol Consumption and Cognitive Aging – a Longitudinal Study across Twenty
Years
Linda Hassing, Linn Elena Zulka, Valgeir Thorvaldsson
GSA 2018 Annual Scientific Meeting, 14 - 18 November, Boston, USA - 2018-01-01 -
Cohort differences in the association of cardiovascular risk and cognitive
aging
Peter Karlsson, Boo Johansson, Ingmar Skoog, Johan Skoog, Lina Rydén, Valgeir Thorvaldsson
GeroPsych: The Journal of Gerontopsychology and Geriatric Psychiatry - 2018-01-01 -
Terminal Decline as a Generic Model of Cognitive
Aging
Valgeir Thorvaldsson
GSA Annual Scientific Meeting, Boston, Massachusetts, USA, November 14-18, 2018 - 2018-01-01 -
Subjective Sleep Disturbance is associated with preclinical Alzheimer’s Disease in Cerebrospinal Fluid in a Population-Based Study of 70-Year-Olds without
dementia.
Johan Skoog, Henrik Zetterberg, Kaj Blennow, Silke Kern, Valgeir Thorvaldsson, Ingmar Skoog, Boo Johansson
The 24th Nordic Conference of Gerontology, 2-4 May, Oslo, Norge - 2018-01-01 -
Poor Sleep Is Associated with CSF-Markers of Alzheimer’s Disease in 70-Year-Olds without
Dementia
Johan Skoog, Henrik Zetterberg, Kaj Blennow, Silke Kern, Boo Johansson, Ingmar Skoog, Valgeir Thorvaldsson
2018’s Alzheimer's Association International Conference, Chicago, USA. - 2018-01-01 -
Subjective Sleep Disturbance is associated with preclinical Alzheimer’s Disease in Cerebrospinal Fluid in a Population-Based Study of 70-Year-Olds without
dementia
Johan Skoog, Boo Johansson, Henrik Zetterberg, Kaj Blennow, Valgeir Thorvaldsson, Ingmar Skoog, Silke Kern
The 19th congress of the Section of Epidemiology and Social Psychiatry of the European Psychiatric Association (EPA), Wien, Österrike. - 2018-01-01 -
Longitudinal Associations between Individual Resources and Life Satisfaction in the Retirement
Transition
Isabelle Hansson, Sandra Buratti, Valgeir Thorvaldsson, Boo Johansson, Anne Ingeborg Berg
Nordic Congress of Gerontology (24 NKG), Oslo, Norway, May 2–4, 2018 - 2018-01-01 -
Disentangling the Mechanisms of Retirement Adjustment: Determinants and Consequences of Subjective
Well-Being
Isabelle Hansson, Sandra Buratti, Valgeir Thorvaldsson, Boo Johansson, Anne Ingeborg Berg
GSA Annual Scientific Meeting, Boston, Massachusetts, USA, November 14-18, 2018 - 2018-01-01 -
Can personality predict longitudinal study attrition? Evidence from a population-based sample of older
adults
Isabelle Hansson, Anne Ingeborg Berg, Valgeir Thorvaldsson
Journal of Research in Personality - 2018-01-01 -
Changes in Life Satisfaction in the Retirement Transition: Interaction Effects of Transition Type and Individual
Resources
Isabelle Hansson, Sandra Buratti, Valgeir Thorvaldsson, Boo Johansson, Anne Ingeborg Berg
Work, Aging and Retirement - 2018-01-01 -
Parenting programs during adolescence: Outcomes from universal andtargeted interventions offered in real-world
settings
Elin Alfredsson, Valgeir Thorvaldsson, Ulf Axberg, Anders G Broberg
Scandinavian Journal of Psychology - 2018-01-01 -
Psychological health in the retirement transition: Rationale and first findings in the HEalth, Ageing and Retirement Transitions in Sweden (HEARTS)
study
Magnus Lindwall, Anne Ingeborg Berg, Pär Bjälkebring, Sandra Buratti, Isabelle Hansson, Linda Hassing, Georg Henning, Marie Kivi, Stefanie König, Valgeir Thorvaldsson, Boo Johansson
Frontiers in Psychology - 2017-01-01 -
The relation between subjective sleep disturbance and Amyloid
β.
Johan Skoog, Silke Kern, Valgeir Thorvaldsson, Henrik Zetterberg, Kaj Blennow, Ingmar Skoog, Boo Johansson
IAGG-2017, San Francisco, USA: 23-27 july - 2017-01-01 -
A longitudinal study on subjective sleep disturbance and risk of dementia in 85-year-olds followed over 15
years.
Johan Skoog, Valgeir Thorvaldsson, Ingmar Skoog, Boo Johansson
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, Vol. 13, Issue 7, P1043 - 2017-01-01 -
Investigation of associations between ILRAP-related genetic variation and CSF-biomarkers of amyloid- and tangle pathology, AD-risk, and cognitive
decline.
Anna Zettergren, Silke Kern, Valgeir Thorvaldsson, Johan Skoog, Ingmar Skoog, Oskar Hansson, Henrik Zetterberg, Kaj Blennow, Kina Höglund
2017’s Alzheimer's Association International Conference (AAIC), London, Storbritannien: 16-20 July - 2017-01-01 -
Better Cognition in New Birth Cohorts of 70 Year Olds, But Greater Decline
Thereafter.
Valgeir Thorvaldsson, Peter Karlsson, Johan Skoog, Ingmar Skoog, Boo Johansson
Journal of Gerontology. Series B, Psychological sciences and social sciences - 2017-01-01 -
A Longitudinal Study of the Mini-Mental State Examination in Late Nonagenarians and Its Relationship with Dementia, Mortality, and
Education.
Johan Skoog, Kristoffer Bäckman, Mats Ribbe, Hanna Falk, Pia Gudmundsson, Valgeir Thorvaldsson, Anne Börjesson-Hanson, Svante Östling, Boo Johansson, Ingmar Skoog
Journal of The American Geriatrics Society - 2017-01-01 -
IQ as Moderator of Terminal Decline in Perceptual and Motor Speed, Spatial, and Verbal Ability: Testing the Cognitive Reserve Hypothesis in a Population-Based Sample Followed From Age 70 Until
Death
Valgeir Thorvaldsson, Ingmar Skoog, Boo Johansson
Psychology and Aging - 2017-01-01 -
IQ as a Moderator of Cognitive Terminal Decline: Testing the Cognitive Reserve
Hypothesis
Valgeir Thorvaldsson, Ingmar Skoog, Boo Johansson
The Gerontologist - A Supplement to The Gerontologist: 2016 GSA Annual Scientific Meeting - 2016-01-01 -
Birth cohort differences in the effects of cardiovascular risk factors on fluid cognition in old
age
Peter Karlsson, Valgeir Thorvaldsson, Boo Johansson
Program abstracts of the 23rd Nordic Congress of Gerontology, 19–22 June, Tampere, Finland - 2016-01-01 -
Assessment of cognitive performance online: A first report from the “Health, Aging and Retirement Transition in Sweden” – HEARTS
Study
Georg Henning, Pär Bjälkebring, Anne Ingeborg Berg, Sandra Buratti, Linda Hassing, Marie Kivi, Valgeir Thorvaldsson, Magnus Lindwall, Boo Johansson
Third International Conference on Aging & Cognition. Dortmund, Germany, 23-25 April. - 2015-01-01 -
Birth cohort differences in fluid cognition in old age: Comparisons of trends in levels and change trajectories over 30 years in three population-based
samples
Peter Karlsson, Valgeir Thorvaldsson, Ingmar Skoog, Pia Gudmundsson, Boo Johansson
Psychology and Aging - 2015-01-01 -
Retest and practice
effects
Valgeir Thorvaldsson
The encyclopedia of adulthood and aging - 2015-01-01 -
Secular changes and cognitive development in old
age
Valgeir Thorvaldsson
The Horizons for Comparative and Integrative Research on Ageing and Health meeting - 2015-01-01 -
Secular changes in the association of a vascular health index and cognition in old
age
Valgeir Thorvaldsson, Peter Karlsson, Boo Johansson
68th Annual Scientific Meeting of the Gerontological Socieity of America - 2015-01-01 -
Gender Differences in Cognitive Performance in Old Age: Adjusting for
Longevity
Marcus Praetorius, Valgeir Thorvaldsson, Boo Johansson, Linda Hassing
GeroPsych: The Journal of Gerontopsychology and Geriatric Psychiatry - 2014-01-01 -
Levels of Homocysteine and Trajectories of Cognitive Function in a Longitudinal Population-based
Study
Linda Hassing, Anne Ingeborg Berg, Valgeir Thorvaldsson, Boo Johansson
GSA Washington DC – Gerontological Society of America Annual Meeting - 2014-01-01 -
Birth cohort differences in cognitive aging: Secular trends in levels of functioning and rates of change over 30 years in a population-based Swedish
sample
Peter Karlsson, Valgeir Thorvaldsson, Ingmar Skoog, Boo Johansson
22NKG Gothenburg – 22nd Nordic Congress of Gerontology - 2014-01-01 -
Beyond Cognitive Terminal Decline in Later Life: Search for Contributing and Underlying
Mechanisms
Boo Johansson, Valgeir Thorvaldsson
66th Annual Scientific Meeting of the Gerontological Society of America - 2013-01-01 -
Education as a moderator of terminal decline in cognitive function: Report from two Swedish population-based longitudinal
studies
Valgeir Thorvaldsson
66th Annual Scientific Meeting of the Gerontological Society of America - 2013-01-01 -
Substantial effects of APOE ε4 on memory decline in very old age: Longitudinal findings from a population-based
sample
Marcus Praetorius, Valgeir Thorvaldsson, Linda Hassing, Boo Johansson
Neurobiology of Aging - 2013-01-01 -
Coordinated analysis of age, sex, and education effects on change in MMSE
scores
A. M. Piccinin, G. Muniz-Terrera, S. Clouston, C. A. Reynolds, Valgeir Thorvaldsson, I. Deary, D. Deeg, Boo Johansson, A. Mackinnon, A. Spiro, J.J. Starr, Ingmar Skoog, S. M. Hofer
The journals of gerontology. Series B, Psychological sciences and social sciences - 2013-01-01 -
Interdependence of cognitive development among the oldest-old: Report from the Lund 80+
study
Valgeir Thorvaldsson, Torbjörn Svensson, Boo Johansson
Presented at the 65th Annual Scientific Meeting of the Gerontological Society of America - 2012-01-01 -
Alla får inte försämrad
kognition
Valgeir Thorvaldsson
Äldre i Centrum - 2012-01-01 -
Earwitnesses: The effect of type of vocal differences on correct identification and confidence
accuracy.
E. Zetterholm, F Sarwar, Valgeir Thorvaldsson, Carl Martin Allwood
International Journal of Speech Language and The Law - 2012-01-01 -
Nonlinear blood pressure effects on cognition in old age: separating between-person and within-person
associations.
Valgeir Thorvaldsson, Ingmar Skoog, Scott M. Hofer, Anne Börjesson-Hanson, Svante Östling, Simona Sacuiu, Boo Johansson
Psychology and Aging - 2012-01-01 -
Onset and rate of cognitive change before dementia diagnosis: findings from two Swedish population-based longitudinal
studies
Valgeir Thorvaldsson, Stuart W S Macdonald, Laura Fratiglioni, Bengt Winblad, Miia Kivipelto, Erika Jonsson Laukka, Ingmar Skoog, Simona Sacuiu, Xinxin Guo, Svante Östling, Anne Börjesson-Hanson, Deborah Gustafson, Boo Johansson, Lars Bäckman
Journal of the International Neuropsychological Society - 2011-01-01 -
THE APOE epsilon 4 GENOTYPE ACCELERATES TERMINAL DECLINE IN COGNITION IN THE
OLDEST-OLD
Marcus Praetorius, Valgeir Thorvaldsson, Linda Hassing, Boo Johansson
Gerontologist - 2011-01-01 -
COGNITION AND BLOOD PRESSURE IN OLD AGE: REPORT FROM TWO SWEDISH POPULATION-BASED LONGITUDINAL
STUDIES
Valgeir Thorvaldsson, T. Svensson, Boo Johansson
Gerontologist - 2011-01-01 -
Personality and personal control make a difference for life satisfaction in the oldest-old: findings in a longitudinal population-based study of individuals 80 and
older
Anne Ingeborg Berg, Linda Hassing, Valgeir Thorvaldsson, Boo Johansson
European Journal of Ageing, - 2011-01-01 -
Personality and personal control matters for life satisfaction in the
oldest-old.
Anne Ingeborg Berg, Valgeir Thorvaldsson, Linda Hassing, Boo Johansson
European journal of ageing - 2011-01-01 -
Foundational issues of design and measurement in developmental
research
Scott M. Hofer, Valgeir Thorvaldsson, Andrea Piccinin
Handbook of developmental research methods. B. Laursen, T. D. Little & N. A. Card (Eds.) - 2011-01-01 -
Analyzes of the association between blood pressure and cognitive function in old age: Report from the Gothenburg H70
study
Valgeir Thorvaldsson
Paper presented at the International Conferences on Aging and Cognition, Dortmund, Germany. - 2010-01-01 -
Longitudinal population-based studies: Research on cognitive aging in the
H70
Valgeir Thorvaldsson
Paper presented at the Stig Berg symposium at the 20th Nordic Congress of Gerontology, Reykjavik, Iceland - 2010-01-01 -
Memory in individuals with mild cognitive impairment in relation to APOE and CSF
Abeta42.
Valgeir Thorvaldsson, Arto Nordlund, Ivar Reinvang, Kaj Blennow, Henrik Zetterberg, Anders Wallin, Boo Johansson
International psychogeriatrics / IPA - 2010-01-01 -
The pattern of cognitive symptoms predicts time to dementia
onset.
Simona Sacuiu, Deborah Gustafson, Boo Johansson, Valgeir Thorvaldsson, Stig Berg, Magnus Sjögren, Xinxin Guo, Svante Östling, Ingmar Skoog
Alzheimer's & dementia : the journal of the Alzheimer's Association - 2009-01-01 -
Overweight in midlife and risk of dementia: a 40-year follow-up
study
Linda Hassing, Anna Dahl, Valgeir Thorvaldsson, Stig Berg, Maragaret Gatz, Nancy L Pedersen, Boo Johansson
International Journal of Obesity - 2009-01-01 -
Change and variability in cognitive performance in old age. Effects of retest, terminal decline, and pre-clinical
dementia.
Valgeir Thorvaldsson
- 2008-01-01 -
Cognitive Change as Conditional on Age Heterogeneity in onset of Mortality-Related Processes and Repeated Testing
Effects
Valgeir Thorvaldsson, S, M Hofer, Linda Hassing, Boo Johansson
Handbook of Cognitive Aging: Interdisciplinary Perspectives - 2008-01-01 -
Onset of terminal decline in cognitive abilities in individuals without
dementia.
Valgeir Thorvaldsson, S M Hofer, S Berg, Ingmar Skoog, Simona Sacuiu, Boo Johansson
Neurology - 2008-01-01 -
Time of Onset in Acceleration of Cognitive Decline in Pre-Clinical Dementia. A Report from the H70
Study
Valgeir Thorvaldsson, Ingmar Skoog, Boo Johansson
At the 60th Annual Scientific Meeting “The Era of Global Aging: Challenges and Opportunities”. The Gerontologist, vol 47, Spical issue II, Oct. 2007 - 2007-01-01 -
Onset of cognitive decline in pre-clinical dementia: Findings from the longitudinal H-70 study in
Göteborg
Valgeir Thorvaldsson, Ingmar Skoog, Boo Johansson
XI Congress of the International Federation of Psychiatric Epidemiology, Göteborg, Sweden (abstract nr. OR-19.4). - 2007-01-01 -
Aging and Late Life Terminal Decline in Perceptual Speed: A Comparison of Alternative Modelling
Approaches
Valgeir Thorvaldsson, S. M Hofer, Boo Johansson
European Psychologist - 2006-01-01 -
Estimating the effects of repeated test exposure by a design-based sampling
approach
Valgeir Thorvaldsson, S.M Hofer, S Berg, Boo Johansson
The 2006 Cognitive Aging Conference, Atlanta, GA, USA. - 2006-01-01 -
Cognitive abilities in late life, proximity to death and distance from
birth
Boo Johansson, Valgeir Thorvaldsson, S Hofer, N. L. Pedersen, S Berg, G.E. McClearn
Cognitive abilities in late life, proximity to death and distance from birth. Paper presented at the 18th Nordic Congress in Gerontology, Jyväskylä, Finland. - 2006-01-01 -
Cross-national coordinated analysis (IALSA) of age, sex, and education effects on change in MMSE
scores
M Piccinin, S, M Hofer, K.J. Anstey, I.J. Deary, Boo Johansson, A.J. Mackinnon, A.S. Spiro III, Valgeir Thorvaldsson
59th Annual Scientific Meeting of the Gerontological Society of America, Dallas, TX, USA. - 2006-01-01 -
Effects of repeated testing in a longitudinal age-homogeneous study of cognitive
aging
Valgeir Thorvaldsson, S. M Hofer, S Berg, Boo Johansson
Journal of Gerontology: Psychological Sciences - 2006-01-01 -
Cognitive performance 10-18 years before
stroke
Simona Sacuiu, G Xinxin, Deborah Gustafson, Ingmar Skoog, Valgeir Thorvaldsson, Boo Johansson, M Liebetrau
Second Congress of the International Society for Vascular, Behavioural, and Cognitive Disorders (VasCog), Firenze, Italy. - 2005-01-01 -
Age- and time-to death-based interrelationships between perceptual speed and memory in the
oldest-old
Valgeir Thorvaldsson, S Hofer, Boo Johansson
The 58th Scientific Meeting with the American Gerontological Society - 2005-01-01 -
Late life terminal decline and interdependence among cognitive changes as a function of age and mortality. Findings from an age-homogeneous population-based panel
study
Valgeir Thorvaldsson
- 2005-01-01 -
Memory and cognitive trajectories from age 85 to 100: Normative and individual data in
H70.
Valgeir Thorvaldsson, S Berg, G Steen, Boo Johansson
17th Nordic Congress of Gerontology, Stockholm, Sweden (abstract nr. P155:18) - 2004-01-01