Gait speed influences aftereffect size following locomotor adaptation, but only in certain environments

Experimental Brain Research
Rami J HamzeyErin Vasudevan

Abstract

Movements learned in one set of conditions may not generalize to other conditions. For example, practicing walking on a split-belt treadmill subsequently changes coordination between the legs during normal ("tied-belt") treadmill walking; however, there is limited generalization of these aftereffects to natural walking over the ground. We hypothesized that generalization of split-belt treadmill adaptation to over-ground walking would be improved by maintaining consistency in other task variables, specifically gait speed. This hypothesis was based on our previous finding that treadmill aftereffect size was sensitive to gait speed: Aftereffects were largest when tested on tied-belts running at the same speed as the slower belt during split-belt adaptation. In the present study, healthy adults were assigned to a "slow" or "fast" over-ground walking group. Both groups adapted to split-belts (0.7:1.4 m/s), and treadmill aftereffects were tested on tied-belts at the slow (0.7 m/s) and fast (1.4 m/s) speeds. All participants were subsequently transferred to the over-ground environment. The slow and fast groups walked over-ground at 0.7 and 1.4 m/s, respectively. As in previous work, we found that the size of aftereffects during treadm...Continue Reading

References

Apr 6, 1979·Brain Research·S GrillnerA Thorstensson
Mar 1, 1980·Acta Physiologica Scandinavica·H ForssbergS Rossignol
Oct 26, 2002·Neuroscience Letters·Mark Shelhamer, Richard Clendaniel
Jan 16, 2003·European Journal of Applied Physiology·Franco Saibene, Alberto E Minetti
Aug 29, 2003·Journal of Neurophysiology·R F Reynolds, A M Bronstein
Sep 18, 2004·Neurorehabilitation and Neural Repair·Lara A Boyd, Carolee J Winstein
Jun 17, 2005·Journal of Neurophysiology·Darcy S ReismanAmy J Bastian
Nov 18, 2005·Experimental Brain Research·Eun Jung HwangReza Shadmehr
Jan 4, 2006·Journal of Biomechanics·Jonathan B Dingwell, Laura C Marin
Apr 5, 2007·Brain : a Journal of Neurology·Darcy S ReismanAmy J Bastian
Jul 3, 2007·Nature Neuroscience·Julia T Choi, Amy J Bastian
Nov 22, 2007·Experimental Brain Research·Joseph T Francis
Dec 17, 2008·Brain : a Journal of Neurology·Julia T ChoiAmy J Bastian
Mar 25, 2009·Neurorehabilitation and Neural Repair·Darcy S ReismanAmy J Bastian
Oct 30, 2009·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·David L McLean, Joseph R Fetcho
Nov 6, 2009·Journal of Neurophysiology·Erin V L Vasudevan, Amy J Bastian
Feb 12, 2010·Journal of Neurophysiology·Laura A Malone, Amy J Bastian
Dec 17, 2010·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Gelsy Torres-Oviedo, Amy J Bastian
Mar 4, 2011·Journal of Neurophysiology·Kristin E MusselmanJaynie F Yang
Mar 19, 2011·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Erin V L VasudevanAmy J Bastian
Oct 1, 2011·Journal of Neurophysiology·Gelsy Torres-Oviedo, Amy J Bastian
Oct 22, 2011·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Laura A MaloneAmy J Bastian
Apr 20, 2012·Journal of Neurophysiology·Laura A MaloneGelsy Torres-Oviedo
Feb 9, 2013·Neurorehabilitation and Neural Repair·Darcy S ReismanAmy J Bastian
May 9, 2013·Frontiers in Human Neuroscience·Jordan A Taylor, Richard B Ivry
Nov 19, 2013·Neurorehabilitation and Neural Repair·Laura A Malone, Amy J Bastian
Jun 4, 2014·Journal of Neurologic Physical Therapy : JNPT·Erin V L VasudevanAndrew T Packel
Jul 24, 2015·Journal of Neurophysiology·Wouter HoogkamerJacques Duysens

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.