Evidence map›Paper›PMID 28634548›Full record

ArticleJournal of aging research2017

Decline in Memory, Visuospatial Ability, and Crystalized Cognitive Abilities in Older Adults: Normative Aging or Terminal Decline?

R Bendayan, A M Piccinin, S M Hofer, D Cadar, B Johansson, G Muniz-Terrera

Open access · goldAbstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Journal of aging research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
2.2field-weighted citation impact, top 13% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Correlates of Visuospatial Ability among Older People in Indonesia.Indian journal of community medicine : official publication of Indian Association of Preventive & Social Medicine
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 3 countries.

R BendayanMRC Unit for Lifelong Health and Ageing, University College of London, Faculty of Population Health Sciences, London, UK.ORCID 0000-0003-1461-556X
A M PiccininDepartment of Psychology, University of Victoria, Victoria, BC, Canada.
S M HoferDepartment of Psychology, University of Victoria, Victoria, BC, Canada.
D CadarMRC Unit for Lifelong Health and Ageing, University College of London, Faculty of Population Health Sciences, London, UK.
B JohanssonDepartment of Psychology, University of Göteborg, Göteborg, Sweden.ORCID 0000-0002-1996-3435
G Muniz-TerreraMRC Unit for Lifelong Health and Ageing, University College of London, Faculty of Population Health Sciences, London, UK.
MRC Unit for Lifelong Health and Ageing · GBUniversity of Victoria · CAUniversity of Gothenburg · SE

Funding

Study Coordination and Measurement CoreP01AG043362 · NIA · OREGON HEALTH & SCIENCE UNIVERSITY · PI HOFER, SCOTT M. · 2013 to 2017
$7.8M
Medical Research Council MC_UU_12019/1NIA NIH HHS P01 AG043362
6 · The paper itself

Abstract

The aim of this study is to explore the pattern of change in multiple measures of cognitive abilities in a sample of oldest-old adults, comparing two different time metrics (chronological age and time to death) and therefore examining both underlying conceptual assumptions (age-related change and terminal decline). Moreover, the association with individual characteristics as sex, education, and dementia diagnosis was also examined. Measures of cognitive status (Mini-Mental State Examination and the Swedish Clock Test) and tests of crystallized (knowledge and synonyms), memory (verbal memory, nonverbal long-term memory, recognition and correspondence, and short-term memory), and visuospatial ability were included. The sample consisted of 671 older Swedish adult participants of the OCTO Twin Study. Linear mixed models with random coefficients were used to analyse change patterns and BIC indexes were used to compare models. Results showed that the time to death model was the best option in analyses of change in all the cognitive measures considered (except for the Information Test). A significant cognitive decline over time was found for all variables. Individuals diagnosed with dementia had lower scores at the study entrance and a faster decline. More educated individuals performed better in all the measures of cognition at study entry than those with poorer education, but no differences were found in the rate of change. Differences were found in age, sex, or time to death at baseline across the different measures. These results support the terminal decline hypothesis when compared to models assuming that cognitive changes are driven by normative aging processes.

Identifiers

PMID28634548
PMCPMC5467384
OpenAlexW2619199296

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.