User profiles for Pierre Vassiliadis

Pierre Vassiliadis

Ecole Polytechnique Fédérale de Lausanne
Verified email at epfl.ch
Cited by 272

[HTML][HTML] Noninvasive theta-burst stimulation of the human striatum enhances striatal activity and motor skill learning

…, E Beanato, T Popa, F Windel, P Vassiliadis… - Nature …, 2023 - nature.com
The stimulation of deep brain structures has thus far only been possible with invasive methods.
Transcranial electrical temporal interference stimulation (tTIS) is a novel, noninvasive …

[HTML][HTML] Advanced TMS approaches to probe corticospinal excitability during action preparation

G Derosiere, P Vassiliadis, J Duque - Neuroimage, 2020 - Elsevier
The motor system displays strong changes in neural activity during action preparation. In
the past decades, several techniques, including transcranial magnetic stimulation (TMS), …

[HTML][HTML] Using a double-coil TMS protocol to assess preparatory inhibition bilaterally

P Vassiliadis, J Grandjean, G Derosiere… - Frontiers in …, 2018 - frontiersin.org
Transcranial magnetic stimulation (TMS) applied over the primary motor cortex (M1), elicits
motor-evoked potentials (MEPs) in contralateral limb muscles which are valuable indicators …

[PDF][PDF] Reward boosts reinforcement-based motor learning

P Vassiliadis, G Derosiere, C Dubuc, A Lete… - Iscience, 2021 - cell.com
Besides relying heavily on sensory and reinforcement feedback, motor skill learning may
also depend on the level of motivation experienced during training. Yet, how motivation by …

Towards assessing corticospinal excitability bilaterally: Validation of a double-coil TMS method

J Grandjean, G Derosiere, P Vassiliadis… - Journal of Neuroscience …, 2018 - Elsevier
Background For several decades, Transcranial magnetic stimulation (TMS) has been used
to monitor corticospinal excitability (CSE) changes in various contexts. Habitually, single-coil …

Connecting the dots: harnessing dual-site transcranial magnetic stimulation to quantify the causal influence of medial frontal areas on the motor cortex

C Neige, P Vassiliadis, A Ali Zazou, L Dricot… - Cerebral …, 2023 - academic.oup.com
Dual-site transcranial magnetic stimulation has been widely employed to investigate the
influence of cortical structures on the primary motor cortex. Here, we leveraged this technique to …

Motor training strengthens corticospinal suppression during movement preparation

P Vassiliadis, G Derosiere… - Journal of …, 2020 - journals.physiology.org
Training can improve motor skills and modify neural activity at rest and during movement
execution. Learning-related modulations may also concern motor preparation but the neural …

Learning stage-dependent effect of M1 disruption on value-based motor decisions

G Derosiere, P Vassiliadis, S Demaret, A Zénon… - Neuroimage, 2017 - Elsevier
The present study aimed at characterizing the impact of M1 disruption on the implementation
of implicit value information in motor decisions, at both early stages (during reinforcement …

Non-invasive stimulation of the human striatum disrupts reinforcement learning of motor skills

P Vassiliadis, E Beanato, T Popa, F Windel, T Morishita… - BioRxiv, 2022 - biorxiv.org
Reinforcement feedback can improve motor learning, but the underlying brain mechanisms
remain underexplored. Especially, the causal contribution of specific patterns of oscillatory …

Evidence for temporal interference (TI) stimulation effects on motor striatum

…, P Menoud, V Beliaeva, PT Vassiliadis… - … Clinical Research in …, 2021 - brainstimjrnl.com
Motor learning, the process of acquiring novel motor skills with practice, plays a fundamental
role in everyday life and may also be relevant for motor rehabilitation after brain injury. This …