Contributions of descending and ascending pathways to corticomuscular coherence in humans

Abstract

Non‐technical summary Neural activity in parts of the cerebral cortex related to movement oscillates at frequencies around 20 Hz. These oscillations are correlated with similar rhythms in contracting muscles on the opposite side of the body. In this work, we used an analysis method called directed coherence to investigate the direction of oscillatory coupling. We find that oscillations travel not only from cortex to muscle (as expected for a motor command), but also back from muscle to cortex (reflecting sensory input). This oscillatory loop may allow the cortex to measure features of the limb state, integrating sensory inflow with the motor command.

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Cited by papers we hold 4

• Visual detection is locked to the internal dynamics of cortico-motor control. · 2020
  Not checked
• Corticomuscular Coherence and Its Applications: A Review · 2019
  No notice
• A Tutorial Review of Functional Connectivity Analysis Methods and Their Interpretational Pitfalls · 2016
  No notice
• Neural synchrony within the motor system: what have we learned so far? · 2012
  No notice

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