Evidence map›Paper›PMID 30068921›Full record

ArticleScientific reports2018

Scaling oscillatory platform frequency reveals recurrence of intermittent postural attractor states.

Aviroop Dutt-Mazumder, Troy J Rand, Mukul Mukherjee, Karl M Newell

Abstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–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

7 citing papers in PubMed.

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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

4 authors.

Aviroop Dutt-MazumderDepartment of Physical Medicine & Rehabilitation, University of Michigan, Ann Arbor, United States. daviroop@umich.edu.ORCID 0000-0002-6256-0578
Troy J RandDepartment of Biomechanics, University of Nebraska, Omaha, USA.
Mukul MukherjeeDepartment of Biomechanics, University of Nebraska, Omaha, USA.ORCID 0000-0001-9653-0556
Karl M NewellDepartment of Kinesiology, University of Georgia, Athens, USA.

Funding

Visual control of locomotion in people with Parkinsons diseaseP20GM109090 · NIGMS · UNIVERSITY OF NEBRASKA OMAHA · PI MANGALAM, MADHUR · 2014 to 2023
$20.5M
NIGMS NIH HHS P20 GM109090Shared Services Center NASA 80NSSC17M0076Shared Services Center NASA 80NSSC18K0076
6 · The paper itself

Abstract

The study of postural control has been dominated by experiments on the maintenance of quiet upright standing balance on flat stationary support surfaces that reveal only limited modes of potential configurations of balance stability/instability. Here we examine the self-organization properties of postural coordination as revealed in a dynamic balance task with a moving platform. We scaled a control parameter (platform frequency) to investigate the evolving nature of the coupled oscillator dynamics between center of mass (CoM) and platform. Recurrent map measures were used to reveal whether episodic postural control strategies exist that can be scaled by systematically changing the magnitude of platform motion. The findings showed that at higher platform frequencies (1.2 Hz), the CoM-Platform coupling was less deterministic than lower platform frequencies and evolved to intermittent postural control strategies that oscillated between periodic-chaotic transitions to maintain upright postural balance. Collectively, the recurrence map measures indicated that quasi-static postural attractor states were progressively emerging to the changing task constraints of platform frequency in the maintenance of postural stability. It appears that several dynamic modes of intermittent coupling in postural control can interchangeably co-exist and are expressed as a function of the control parameter of platform frequency.

Indexed as

Postural BalancePsychomotor PerformanceAdultHumansMaleModels, NeurologicalYoung Adult

Identifiers

PMID30068921
PMCPMC6070516

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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.