Evidence map›Paper›PMID 34182403›Full record

ReviewNeurobiology of aging2021

Brain activity during walking in older adults: Implications for compensatory versus dysfunctional accounts.

Tyler Fettrow, Kathleen Hupfeld, Grant Tays, David J Clark, Patricia A Reuter-Lorenz, Rachael D Seidler

3 registry-linked trialsOpen access · greenAbstract readReview
In one paragraph

Review in Neurobiology of aging, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 3 registered trials, which are not on this map. Cited by 27 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 3 pooled it
10.2field-weighted citation impact, top 1% 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.

NCT06395142 completednot on this mapstarted 2023, after this paper: background citation

Changes of Plantar Pressure and Electroencephalographic Signals During Pedal Walking and Vision-deprivation Walking in Stroke Patients.

TypeobservationalSponsorGeriatric Hospital of Nanjing Medical UniversityRan2023 to 2024Enrolled60ConditionsStrokeArmspedal walking, visual-deprivation walking
NCT06764290 recruitingnot on this mapstarted 2024, after this paper: background citation

Neural Mechanism Changes in Stroke Patients During Challenging Environments

TypeobservationalSponsorNanjing Medical UniversityRan2024 to 2025Enrolled60ConditionsStrokeArmspedal walking, visual occlusion
NCT07180485 nanot yet recruitingnot on this mapstarted 2025, after this paper: background citation

The Effectiveness of Whole Body Vibration Training in Improving Brain Activity, Bone Mineral Density, Quality of Life, and Biomarkers for the Older People With Dynapenic Abdominal Obesity

TypeinterventionalSponsorDalin Tzu Chi General HospitalRan2025 to 2027Enrolled120ConditionsDynapenia, Abdominal ObesityArmswhole body vibration training, control group
3 · Its place in the literature

Who cites it

27 citing papers in PubMed, 3 syntheses or guidelines pooled it, 39 citations in OpenAlex.

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  15. Positron emission tomography neuroimaging of [Frontiers in neuroscience · 2024
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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 2 institutions in 1 country.

Tyler FettrowDepartment of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA. Electronic address: tfettrow@ufl.edu.
Kathleen HupfeldDepartment of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA.
Grant TaysDepartment of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA.
David J ClarkDepartment of Aging and Geriatric Research, University of Florida, Gainesville, FL, USA; Brain Rehabilitation Research Center, Malcom Randall VA Medical Center, Gainesville, FL, USA.
Patricia A Reuter-LorenzDepartment of Psychology, University of Michigan, Ann Arbor, MI, USA.
Rachael D SeidlerDepartment of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA; Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA.
University of Florida · USUniversity of Michigan · US

Funding

Multimodal imaging of brain activity to investigate walking and mobility decline in older adultsU01AG061389 · NIA · UNIVERSITY OF FLORIDA · PI CLARK, DAVID J, MANINI, TODD · 2018 to 2023
$5.8M
Cortical Inhibition and Mobility in Older AdultsF99AG068440 · NIA · UNIVERSITY OF FLORIDA · PI HUPFELD, KATHLEEN ELIZABETH · 2020 to 2021
$84k
NIA NIH HHS F99 AG068440NIA NIH HHS U01 AG061389
6 · The paper itself

Abstract

A prominent trend in the functional brain imaging literature is that older adults exhibit increased brain activity compared to young adults to perform a given task. This phenomenon has been extensively studied for cognitive tasks, with the field converging on interpretations described in two alternative accounts. One account interprets over-activation in older adults as reflecting neural dysfunction (increased brain activity - indicates poorer performance), whereas another interprets it as neural compensation (increased brain activity - supports better performance). Here we review studies that have recorded brain activity and walking measurements in older adults, and we categorize their findings as reflecting either neural dysfunction or neural compensation. Based on this synthesis, we recommend including multiple task difficulty levels in future work to help differentiate if and when compensation fails as the locomotion task becomes more difficult. Using multiple task difficulty levels with neuroimaging will lead to a more advanced understanding of how age-related changes in locomotor brain activity fit with existing accounts of brain aging and support the development of targeted neural rehabilitation techniques.

Indexed as

CognitionAgingBrainFemaleHumansMagnetic Resonance ImagingMaleWalkingAgingBrain activityCompensationDysfunctionNeural controlWalking

Identifiers

PMID34182403
PMCPMC8338893
OpenAlexW3160142137

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

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.