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Full-Text Articles in Life Sciences

Motor Preparation For Compensatory Reach-To-Grasp Responses When Viewing A Wall-Mounted Safety Handle, David A. E. Bolton, David M. Cole, Blake Butler, Mahmoud Mansour, Garrett Rydalch, Douglas W. Mcdannald, Sarah E. Schwartz Mar 2019

Motor Preparation For Compensatory Reach-To-Grasp Responses When Viewing A Wall-Mounted Safety Handle, David A. E. Bolton, David M. Cole, Blake Butler, Mahmoud Mansour, Garrett Rydalch, Douglas W. Mcdannald, Sarah E. Schwartz

Kinesiology and Health Science Faculty Publications

The present study explored how motor cortical activity was influenced by visual perception of complex environments that either afforded or obstructed arm and leg reactions in young, healthy adults. Most importantly, we focused on compensatory balance reactions where the arms were required to regain stability following unexpected postural perturbation. Our first question was if motor cortical activity from the hand area automatically corresponds to the visual environment. Affordance-based priming of the motor system was assessed using single-pulse Transcranial Magnetic Stimulation (TMS) to determine if visual access to a wall-mounted support handle influenced corticospinal excitability. We evaluated if hand actions were ...


Interlimb Transfer And Generalisation Of Learning In The Context Of Persistent Failure To Accomplish A Visuomotor Task, David A. E. Bolton, A. R. Buick, T. J. Carroll, R. G. Carson Feb 2019

Interlimb Transfer And Generalisation Of Learning In The Context Of Persistent Failure To Accomplish A Visuomotor Task, David A. E. Bolton, A. R. Buick, T. J. Carroll, R. G. Carson

Kinesiology and Health Science Faculty Publications

Transfer, in which capability acquired in one situation influences performance in another is considered, along with retention, as demonstrative of effectual learning. In this regard, interlimb transfer of functional capacity has commanded particular attention as a means of gauging the generalisation of acquired capability. Both theoretical treatments and prior empirical studies suggest that the successful accomplishment of a physical training regime is required to bring about generalised changes that extend to the untrained limb. In the present study, we pose the following question: Does interlimb transfer occur if and only if the training movements are executed? We report findings from ...