Simon Avrillon

Probabilistic inference of Homonymous and Heteronymous Recurrent Inhibition in Human Muscles from Large-Scale Motor Neuron Recordings

The paper uses motor neuron recordings and simulation-based inference to estimate homonymous and heteronymous recurrent inhibition in human muscles during contractions.

Neuromodulation enables transient flexible control of motoneurons

The paper shows that neuromodulation enables transient decorrelation of motoneurons with shared inputs, explaining flexible control through differential sensitivity to neuromodulation.

Diurnal Modulation of Persistent Inward Current Contribution to Spinal Motor Neuron Behaviour

This study shows that persistent inward currents (PICs) in spinal motor neurons have a greater influence on discharge behavior in the late afternoon compared to the early morning.

Flexible Control of Motor Units: Is the Multidimensionality of Motor Unit Manifolds a Sufficient Condition?

This study examines motor unit control flexibility by analyzing dimensionality of motor unit activity in two muscles, finding that while some muscles exhibit multidimensional manifolds, their control remains limited.

The identification of extensive samples of motor units in human muscles reveals diverse effects of neuromodulatory inputs on the rate coding

The paper analyzes motor unit firing rates during isometric contractions to show diverse rate coding patterns across motor unit pools.

Non-Homogeneous Distribution of Inhibitory Inputs Among Motor Units in Response to Nociceptive Stimulation

The paper investigates how inhibitory inputs to motor units vary during nociceptive stimulation and finds non-homogeneous inhibition patterns that are size-independent.

I-Spin live: An open-source software based on blind-source separation for real-time decoding of motor unit activity in humans

The paper introduces an open-source software for real-time decoding of motor unit activity from EMG signals using blind-source separation, validated on synthetic and real data from human lower limb muscles.

The volitional control of individual motor units is constrained within low-dimensional neural manifolds by common inputs

This study investigates the dimensionality of motor unit control during isometric contractions, finding that motor units are constrained by common inputs and form synergistic groups.

Tutorial on MUedit: An open-source software for identifying and analysing the discharge timing of motor units from electromyographic signals

The paper introduces MUedit, an open-source software for decomposing EMG signals and analyzing motor unit discharge timing, with simulated and experimental data for benchmarking.

Larger and denser: an optimal design for surface grids of EMG electrodes to identify greater and more representative samples of motor units

This paper shows that larger and denser EMG electrode grids improve the identification of more representative motor unit samples through computational and experimental analysis.

Two motor neuron synergies, invariant across ankle joint angles, activate the triceps surae during plantarflexion

The paper identifies two motor neuron synergies in triceps surae muscles during plantarflexion that remain stable across ankle angles.

High-frequency cortical neural inputs to muscles during movement cancellation

This study investigates high-frequency cortical inputs to muscles during movement cancellation, finding increased beta and gamma oscillations in brain and muscle activity during NO-GO trials without behavioral changes.

Toward a generalizable deep CNN for neural drive estimation across muscles and participants

This paper introduces a deep CNN for estimating neural drive from HD-EMG signals, showing it generalizes across muscles, sessions, and participants without retraining.

Handedness is associated with less common input to spinal motor neurons innervating different hand muscles

This study finds that the dominant hand has less common synaptic input between motor neurons innervating different muscles during isometric rotation tasks compared to the non-dominant hand.

Networks of common inputs to motor neurons of the lower limb reveal neural synergies that only partly overlap with muscle innervation

The paper identifies common synaptic inputs to spinal motor neurons during a multi-joint task, revealing neural synergies that partially decouple from muscle innervation.

Analysis of motor unit spike trains estimated from high-density surface electromyography is highly reliable across operators

The paper assesses inter-operator reliability in decomposing HDsEMG into motor unit spike trains, finding high agreement across operators.