Evidence map›Paper›PMID 26616546›Full record

ArticleClinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology2016

Whole body heat stress increases motor cortical excitability and skill acquisition in humans.

Andrew E Littmann, Richard K Shields

Abstract read
In one paragraph

Article in Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

12 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  12. Clinical Effects of Regular Dry Sauna Bathing: A Systematic Review.Evidence-based complementary and alternative medicine : eCAM · 2018
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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

2 authors.

Andrew E LittmannDepartment of Physical Therapy, Rueckert-Hartman College for Health Professions, Regis University, Denver, CO 80221, USA.
Richard K ShieldsDepartment of Physical Therapy and Rehabilitation Science, Carver College of Medicine, University of Iowa, 1-252 Medical Education Building, Iowa City, IA 52242-1190, USA. Electronic address: richard-shields@uiowa.edu.

Funding

Long Duration Activity and Metabolic Control after Spinal Cord InjuryR01HD082109 · NICHD · UNIVERSITY OF IOWA · PI SHIELDS, RICHARD K. · 2015 to 2019
$1.6M
Musculoskeletal Plasticity after Spinal Cord InjuryR01HD084645 · NICHD · UNIVERSITY OF IOWA · PI SHIELDS, RICHARD K. · 2015 to 2019
$1.6M
MUSCULOSKELETAL PLASTICITY AFTER SPINAL CORD INJURYR01HD039445 · NICHD · UNIVERSITY OF IOWA · PI SHIELDS, RICHARD K · 2000 to 2003
$529k
NICHD NIH HHS R01 HD039445NICHD NIH HHS R01 HD082109NICHD NIH HHS R01HD082109NICHD NIH HHS R01 HD084645NICHD NIH HHS R01HD084645
6 · The paper itself

Abstract

objectiveVigorous systemic exercise stimulates a cascade of molecular and cellular processes that enhance central nervous system (CNS) plasticity and performance. The influence of heat stress on CNS performance and learning is novel. We designed two experiments to determine whether passive heat stress (1) facilitated motor cortex excitability and (2) improved motor task acquisition compared to no heat stress.

methodsMotor evoked potentials (MEPs) from the first dorsal interosseus (FDI) were collected before and after 30 min of heat stress at 73 °C. A second cohort of subjects performed a motor learning task using the FDI either following heat or the no heat condition.

resultsHeat stress increased heart rate to 65% of age-predicted maximum. After heat, mean resting MEP amplitude increased 48% (p<0.05). MEP stimulus-response amplitudes did not differ according to stimulus intensity. In the second experiment, heat stress caused a significant decrease in absolute and variable error (p<0.05) during a novel movement task using the FDI.

conclusionsPassive environmental heat stress (1) increases motor cortical excitability, and (2) enhances performance in a motor skill acquisition task. SIGNIFICANCE: Controlled heat stress may prime the CNS to enhance motor skill acquisition during rehabilitation.

Indexed as

AdultBody TemperatureCohort StudiesEvoked Potentials, MotorFemaleHeat-Shock ResponseHot TemperatureHumansMaleMotor CortexMotor SkillsPhotic StimulationPilot ProjectsYoung AdultCortical excitabilityHeat stressMotor learning

Identifiers

PMID26616546
PMCPMC4747790

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Registered trials

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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.