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Mobile EEG reveals functionally dissociable dynamic processes supporting real-world ambulatory obstacle avoidance: evidence for early proactive control

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Mobile EEG reveals functionally dissociable dynamic processes supporting real-world ambulatory obstacle avoidance : evidence for early proactive control. / Mustile, Magda; Kourtis, Dimitrios; Ladouce, Simon; Learmonth, Gemma; Donaldson, David I.; Edwards, Martin G.; Ietswaart, Magdalena.

In: European Journal of Neuroscience, Vol. In press, 19.01.2021.

Research output: Contribution to journalArticlepeer-review

Harvard

Mustile, M, Kourtis, D, Ladouce, S, Learmonth, G, Donaldson, DI, Edwards, MG & Ietswaart, M 2021, 'Mobile EEG reveals functionally dissociable dynamic processes supporting real-world ambulatory obstacle avoidance: evidence for early proactive control', European Journal of Neuroscience, vol. In press. https://doi.org/10.1111/ejn.15120

APA

Mustile, M., Kourtis, D., Ladouce, S., Learmonth, G., Donaldson, D. I., Edwards, M. G., & Ietswaart, M. (Accepted/In press). Mobile EEG reveals functionally dissociable dynamic processes supporting real-world ambulatory obstacle avoidance: evidence for early proactive control. European Journal of Neuroscience, In press. https://doi.org/10.1111/ejn.15120

Vancouver

Mustile M, Kourtis D, Ladouce S, Learmonth G, Donaldson DI, Edwards MG et al. Mobile EEG reveals functionally dissociable dynamic processes supporting real-world ambulatory obstacle avoidance: evidence for early proactive control. European Journal of Neuroscience. 2021 Jan 19;In press. https://doi.org/10.1111/ejn.15120

Author

Mustile, Magda ; Kourtis, Dimitrios ; Ladouce, Simon ; Learmonth, Gemma ; Donaldson, David I. ; Edwards, Martin G. ; Ietswaart, Magdalena. / Mobile EEG reveals functionally dissociable dynamic processes supporting real-world ambulatory obstacle avoidance : evidence for early proactive control. In: European Journal of Neuroscience. 2021 ; Vol. In press.

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@article{14b1518160c84a39add27c4fe0d8a911,
title = "Mobile EEG reveals functionally dissociable dynamic processes supporting real-world ambulatory obstacle avoidance: evidence for early proactive control",
abstract = "The ability to safely negotiate the world on foot takes humans years to develop, reflecting the huge cognitive demands associated with real‐time planning and control of walking. Despite the importance of walking, methodological limitations mean that surprisingly little is known about the neural and cognitive processes that support ambulatory motor control. Here, we report mobile EEG data recorded from thirty‐two healthy young adults during real‐world ambulatory obstacle avoidance. Participants walked along a path while stepping over expected and unexpected obstacles projected on the floor, allowing us to capture the dynamic oscillatory response to changes in environmental demands. Compared to obstacle‐free walking, time‐frequency analysis of the EEG data revealed clear frontal theta and centro‐parietal beta power neural markers of proactive and reactive forms of movement control (occurring before and after crossing an obstacle). Critically, the temporal profile of changes in frontal theta allowed us to arbitrate between early selection and late adaptation mechanisms of proactive control. Our data show that motor plans are updated as soon as an upcoming obstacle appears, rather than when the obstacle is reached. In addition, regardless of whether motor plans required updating, a clear beta rebound was present after obstacles were crossed, reflecting the resetting of the motor system. Overall, mobile EEG recorded during real‐world walking provides novel insight into the cognitive and neural basis of dynamic motor control in humans, suggesting new routes to the monitoring and rehabilitation of motor disorders such as dyspraxia and Parkinson{\textquoteright}s disease.",
keywords = "Action planning, Embodied cognition, Gait adaptation, Motor control, Walking",
author = "Magda Mustile and Dimitrios Kourtis and Simon Ladouce and Gemma Learmonth and Donaldson, {David I.} and Edwards, {Martin G.} and Magdalena Ietswaart",
note = "GL is supported by the Wellcome Trust [209209/Z/17/Z].",
year = "2021",
month = jan,
day = "19",
doi = "10.1111/ejn.15120",
language = "English",
volume = "In press",
journal = "European Journal of Neuroscience",
issn = "0953-816X",
publisher = "Wiley",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Mobile EEG reveals functionally dissociable dynamic processes supporting real-world ambulatory obstacle avoidance

T2 - evidence for early proactive control

AU - Mustile, Magda

AU - Kourtis, Dimitrios

AU - Ladouce, Simon

AU - Learmonth, Gemma

AU - Donaldson, David I.

AU - Edwards, Martin G.

AU - Ietswaart, Magdalena

N1 - GL is supported by the Wellcome Trust [209209/Z/17/Z].

PY - 2021/1/19

Y1 - 2021/1/19

N2 - The ability to safely negotiate the world on foot takes humans years to develop, reflecting the huge cognitive demands associated with real‐time planning and control of walking. Despite the importance of walking, methodological limitations mean that surprisingly little is known about the neural and cognitive processes that support ambulatory motor control. Here, we report mobile EEG data recorded from thirty‐two healthy young adults during real‐world ambulatory obstacle avoidance. Participants walked along a path while stepping over expected and unexpected obstacles projected on the floor, allowing us to capture the dynamic oscillatory response to changes in environmental demands. Compared to obstacle‐free walking, time‐frequency analysis of the EEG data revealed clear frontal theta and centro‐parietal beta power neural markers of proactive and reactive forms of movement control (occurring before and after crossing an obstacle). Critically, the temporal profile of changes in frontal theta allowed us to arbitrate between early selection and late adaptation mechanisms of proactive control. Our data show that motor plans are updated as soon as an upcoming obstacle appears, rather than when the obstacle is reached. In addition, regardless of whether motor plans required updating, a clear beta rebound was present after obstacles were crossed, reflecting the resetting of the motor system. Overall, mobile EEG recorded during real‐world walking provides novel insight into the cognitive and neural basis of dynamic motor control in humans, suggesting new routes to the monitoring and rehabilitation of motor disorders such as dyspraxia and Parkinson’s disease.

AB - The ability to safely negotiate the world on foot takes humans years to develop, reflecting the huge cognitive demands associated with real‐time planning and control of walking. Despite the importance of walking, methodological limitations mean that surprisingly little is known about the neural and cognitive processes that support ambulatory motor control. Here, we report mobile EEG data recorded from thirty‐two healthy young adults during real‐world ambulatory obstacle avoidance. Participants walked along a path while stepping over expected and unexpected obstacles projected on the floor, allowing us to capture the dynamic oscillatory response to changes in environmental demands. Compared to obstacle‐free walking, time‐frequency analysis of the EEG data revealed clear frontal theta and centro‐parietal beta power neural markers of proactive and reactive forms of movement control (occurring before and after crossing an obstacle). Critically, the temporal profile of changes in frontal theta allowed us to arbitrate between early selection and late adaptation mechanisms of proactive control. Our data show that motor plans are updated as soon as an upcoming obstacle appears, rather than when the obstacle is reached. In addition, regardless of whether motor plans required updating, a clear beta rebound was present after obstacles were crossed, reflecting the resetting of the motor system. Overall, mobile EEG recorded during real‐world walking provides novel insight into the cognitive and neural basis of dynamic motor control in humans, suggesting new routes to the monitoring and rehabilitation of motor disorders such as dyspraxia and Parkinson’s disease.

KW - Action planning

KW - Embodied cognition

KW - Gait adaptation

KW - Motor control

KW - Walking

U2 - 10.1111/ejn.15120

DO - 10.1111/ejn.15120

M3 - Article

VL - In press

JO - European Journal of Neuroscience

JF - European Journal of Neuroscience

SN - 0953-816X

ER -

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