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Related Experiment Video

Updated: Mar 23, 2026

Corticospinal Excitability Modulation During Action Observation
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Exercise Performance and Corticospinal Excitability during Action Observation.

James G Wrightson1, Rosie Twomey2, Nicholas J Smeeton1

  • 1Welkin Human Performance Laboratory, Centre for Sport and Exercise Science and Medicine, University of Brighton Eastbourne, UK.

Frontiers in Human Neuroscience
|March 26, 2016
PubMed
Summary
This summary is machine-generated.

Observing fast exercise boosts physical performance, but the brain

Keywords:
TMSaction observation networkdeceptionmirror neuronsmotor resonancesport performance

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Area of Science:

  • Neuroscience
  • Sports Science
  • Human Movement

Background:

  • Observing exercise enhances simultaneous performance, yet the underlying mechanisms remain unclear.
  • The influence of observed exercise speed on performance and neural activation requires investigation.
  • Understanding the role of the cortical action observation network (AON) is crucial.

Purpose of the Study:

  • To determine if observed exercise speed affects upper-body exercise performance.
  • To investigate the impact of observed exercise speed on the cortical action observation network (AON).
  • To explore the relationship between exercise observation, performance, and neural responses.

Main Methods:

  • Three experiments involved participants performing arm-crank ergometry.
  • Participants observed videos of exercise at typical, faster, and slower speeds, or a blank screen.
  • Transcranial magnetic stimulation assessed corticospinal excitability in one experiment.

Main Results:

  • Observing fast exercise improved performance (decreased time, increased power) compared to no video.
  • Faster observed exercise increased cadence and power versus typical speed observation.
  • Corticospinal excitability increased with exercise observation, irrespective of speed.

Conclusions:

  • Fast exercise observation enhances simultaneous upper-body exercise performance.
  • Performance improvements are not solely mediated by the action observation network (AON).
  • The speed of observed exercise influences performance but not necessarily AON activity.