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Neural Adaptations Associated with Interlimb Transfer in a Ballistic Wrist Flexion Task

Overview of attention for article published in Frontiers in Human Neuroscience, May 2016
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Title
Neural Adaptations Associated with Interlimb Transfer in a Ballistic Wrist Flexion Task
Published in
Frontiers in Human Neuroscience, May 2016
DOI 10.3389/fnhum.2016.00204
Pubmed ID
Authors

Kathy L. Ruddy, Anne K. Rudolf, Barbara Kalkman, Maedbh King, Andreas Daffertshofer, Timothy J. Carroll, Richard G. Carson

Abstract

Cross education is the process whereby training of one limb gives rise to increases in the subsequent performance of its opposite counterpart. The execution of many unilateral tasks is associated with increased excitability of corticospinal projections from primary motor cortex (M1) to the opposite limb. It has been proposed that these effects are causally related. Our aim was to establish whether changes in corticospinal excitability (CSE) arising from prior training of the opposite limb determine levels of interlimb transfer. We used three vision conditions shown previously to modulate the excitability of corticospinal projections to the inactive (right) limb during wrist flexion movements performed by the training (left) limb. These were: (1) mirrored visual feedback of the training limb; (2) no visual feedback of either limb; and (3) visual feedback of the inactive limb. Training comprised 300 discrete, ballistic wrist flexion movements executed as rapidly as possible. Performance of the right limb on the same task was assessed prior to, at the mid point of, and following left limb training. There was no evidence that variations in the excitability of corticospinal projections (assessed by transcranial magnetic stimulation (TMS)) to the inactive limb were associated with, or predictive of, the extent of interlimb transfer that was expressed. There were however associations between alterations in muscle activation dynamics observed for the untrained limb, and the degree of positive transfer that arose from training of the opposite limb. The results suggest that the acute adaptations that mediate the bilateral performance gains realized through unilateral practice of this ballistic wrist flexion task are mediated by neural elements other than those within M1 that are recruited at rest by single-pulse TMS.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 57 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 57 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 13 23%
Student > Bachelor 9 16%
Student > Master 7 12%
Student > Doctoral Student 6 11%
Student > Postgraduate 6 11%
Other 8 14%
Unknown 8 14%
Readers by discipline Count As %
Neuroscience 12 21%
Sports and Recreations 7 12%
Medicine and Dentistry 6 11%
Engineering 5 9%
Nursing and Health Professions 5 9%
Other 10 18%
Unknown 12 21%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 03 May 2016.
All research outputs
#17,800,994
of 22,867,327 outputs
Outputs from Frontiers in Human Neuroscience
#5,716
of 7,165 outputs
Outputs of similar age
#204,790
of 298,754 outputs
Outputs of similar age from Frontiers in Human Neuroscience
#149
of 170 outputs
Altmetric has tracked 22,867,327 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 7,165 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 14.6. This one is in the 15th percentile – i.e., 15% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 298,754 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 170 others from the same source and published within six weeks on either side of this one. This one is in the 8th percentile – i.e., 8% of its contemporaries scored the same or lower than it.