Evidence map›Paper›PMID 21820213›Full record

ArticleNeurobiology of aging2012

Influence of late-life exposure to environmental enrichment or exercise on hippocampal function and CA1 senescent physiology.

Ashok Kumar, Asha Rani, Olga Tchigranova, Wei-Hua Lee, Thomas C Foster

Abstract read
In one paragraph

Article in Neurobiology of aging, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed
2.6field-weighted citation impact, top 10% 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

60 citing papers in PubMed, 113 citations in OpenAlex.

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  19. Review
  20. Learning and aging affect neuronal excitability and learning.Neurobiology of learning and memory · 2020
    Review
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

5 authors at 1 institution in 1 country.

Ashok KumarDepartment of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL 32610-0244, USA.
Asha Rani
Olga Tchigranova
Wei-Hua Lee
Thomas C Foster
University of Florida · US

Funding

University of Florida Older Americans Independence Center (OAIC)P30AG028740 · NIA · UNIVERSITY OF FLORIDA · PI CHRISTIAAN LEEUWENBURGH · 2007 to 2026
$22.8M
UF Clinical and Translational Science AwardUL1TR000064 · NCATS · UNIVERSITY OF FLORIDA · PI NELSON, DAVID R · 2012 to 2014
$12.2M
Estrogen and cognition over the lifespanR01AG037984 · NIA · UNIVERSITY OF FLORIDA · PI FOSTER, THOMAS C, KUMAR, ASHOK · 2011 to 2022
$3.3M
Signaling cascades and memory deficits during agingR37AG036800 · NIA · UNIVERSITY OF FLORIDA · PI FOSTER, THOMAS C · 2010 to 2018
$2.6M
MECHANISMS FOR ALTERED SYNAPTIC FUNCTION DURING AGINGR01AG014979 · NIA · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI FOSTER, THOMAS C · 1998 to 2011
$2.5M
Estrogen and cognition over the lifespanR56AG037984 · NIA · UNIVERSITY OF FLORIDA · PI FOSTER, THOMAS C · 2010 to 2010
$271k
NCATS NIH HHS UL1 TR000064NIA NIH HHS AG036800NIA NIH HHS AG037984NIA NIH HHS AG14979NIA NIH HHS P30 AG028740NIA NIH HHS R01 AG014979NIA NIH HHS R01 AG036800NIA NIH HHS R01 AG037984NIA NIH HHS R37 AG036800NIA NIH HHS R56 AG037984
6 · The paper itself

Abstract

Aged (20-22 months) male Fischer 344 rats were randomly assigned to sedentary (A-SED), environmentally-enriched (A-ENR), or exercise (A-EX) conditions. After 10-12 weeks of differential experience, the 3 groups of aged rats and young sedentary controls were tested for physical and cognitive function. Spatial discrimination learning and memory consolidation, tested on the water maze, were enhanced in environmentally-enriched compared with sedentary. A-EX exhibited improved and impaired performance on the cue and spatial task, respectively. Impaired spatial learning in A-EX was likely due to a bias in response selection associated with exercise training, as object recognition memory improved for A-EX rats. An examination of senescent hippocampal physiology revealed that enrichment and exercise reversed age-related changes in long-term depression (LTD) and long-term potentiation (LTP). Rats in the enrichment group exhibited an increase in cell excitability compared with the other 2 groups of aged animals. The results indicate that differential experience biased the selection of a spatial or a response strategy and factors common across the 2 conditions, such as increased hippocampal activity associated with locomotion, contribute to reversal of senescent synaptic plasticity.

Indexed as

EnvironmentPhysical Conditioning, AnimalAge FactorsAgingAldehydesAnalysis of VarianceAnimalsBiophysicsBrain-Derived Neurotrophic FactorCA1 Region, HippocampalCuesDiscrimination, PsychologicalElectric StimulationGene Expression RegulationGlutathione PeroxidaseGlutathione Peroxidase GPX14-hydroxy-2-nonenalAldehydesBrain-Derived Neurotrophic FactorGlutathione PeroxidaseGlutathione Peroxidase GPX1Gpx1 protein, ratMalondialdehydeSod1 protein, ratSuperoxide DismutaseSuperoxide Dismutase-1

Identifiers

PMID21820213
PMCPMC3226902
OpenAlexW2086255984

What OpenQuestion holds

Textmetadata
LicenceTDM
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.