"Essential noise" - enhancing variability of informational constraints benefits movement control: a comment on Waddington and Adams (2003)

British Journal of Sports Medicine
K DavidsP Glazier

Abstract

This commentary proposes a dynamical systems perspective to re-interpret data from a group of international soccer players demonstrating that wearing textured insoles in soccer boots enhanced tactile information from the sole of the foot and increased movement discrimination capacity in ankle inversion sensitivity tests to levels similar to those in barefoot conditions. Theoretical arguments on the functional role of variability induced in the sensorimotor system by textured insoles, acting as a form of "essential noise" to enhance the accuracy of foot positioning are presented. It seems that, far from interfering with motor performance, variability can actually enhance perception of information to support motor performance. The addition of intermittent, intermediate levels of noise in a perceptual motor context may benefit performers by helping them to pick up information signals from background structure. Movement system variability is conceived as noise induced resonance benefiting the pick up of information to regulate behaviour. Variability can be functional in practical programmes to offset negative effects of losses in sensory sensitivity through ageing, disease, illness, or injury.

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Citations

Jun 28, 2011·Research Quarterly for Exercise and Sport·Paul Glazier
Mar 9, 2006·Sports Biomechanics·Elizabeth J Bradshaw, Brad Aisbett
Jun 7, 2007·British Journal of Sports Medicine·Scott E Ross
Oct 1, 2011·Medicine and Science in Sports and Exercise·Matthew C HochRichard D Andreatta
Dec 4, 2013·Journal of the American Podiatric Medical Association·Anna L HattonJasmine C Menant
Mar 17, 2010·Journal of Science and Medicine in Sport·Anthony G SchneidersStephen Marshall
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Jul 1, 2014·Scandinavian Journal of Medicine & Science in Sports·T M BarbosaY H Kee
Oct 21, 2015·Frontiers in Psychology·Meredith Saletta
May 9, 2016·Human Movement Science·Hosni HasanGraham Kerr
Oct 16, 2016·European Journal of Sport Science·Hosni HasanGraham Kerr
Aug 5, 2015·Journal of Human Kinetics·Tomás UrbánFrancisco J Moreno
Jan 5, 2017·Motor Control·Michael BucheckerErich Müller
Jan 17, 2020·International Journal of Environmental Research and Public Health·Bożena Wojciechowska-Maszkowska, Dorota Borzucka
Mar 3, 2021·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Adam GrinbergCharlotte K Häger
Sep 25, 2021·International Journal of Sports Medicine·Sylvain BlanchardMichel Behr

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