Rhythmic auditory stimuli modulate movement recovery in response to perturbation during locomotion

Deepak K. Ravi, Marc Bartholet, Andreas Skiadopoulos, Jenny A. Kent, Jordan Wickstrom, William R. Taylor, Navrag B. Singh, Nick Stergiou

Research output: Contribution to journalArticlepeer-review

Abstract

The capacity to recover after a perturbation is a well-known intrinsic property of physiological systems, including the locomotor system, and can be termed 'resilience'. Despite an abundance of metrics proposed to measure the complex dynamics of bipedal locomotion, analytical tools for quantifying resilience are lacking. Here, we introduce a novel method to directly quantify resilience to perturbations during locomotion. We examined the extent to which synchronizing stepping with two different temporal structured auditory stimuli (periodic and 1/f structure) during walking modulates resilience to a large unexpected perturbation. Recovery time after perturbation was calculated from the horizontal velocity of the body's center of mass. Our results indicate that synchronizing stepping with a 1/f stimulus elicited greater resilience to mechanical perturbations during walking compared with the periodic stimulus (3.3 s faster). Our proposed method may help to gain a comprehensive understanding of movement recovery behavior of humans and other animals in their ecological contexts.

Original languageEnglish (US)
Article numberjeb237073
JournalJournal of Experimental Biology
Volume224
Issue number5
DOIs
StatePublished - Mar 2021

Keywords

  • 1/F Structure
  • Adaptive Capacity
  • Aging
  • Non-Linear Dynamics
  • Physiological Resilience
  • Recovery Potential

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Physiology
  • Aquatic Science
  • Animal Science and Zoology
  • Molecular Biology
  • Insect Science

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