Pierre Vassiliadis

This study shows punishment accelerates early learning of basketball free-throws, while reward improves long-term retention, with individual sensitivity to each influencing outcomes.

The paper investigates how control-driven and reward-driven urgency regulation differ in individuals with varying impulsivity using motor system measurements.

This paper uses diffusion MRI and computational modeling to show that white matter microstructure predicts individual differences in effort and reward sensitivity.

This study examines fronto-motor circuits related to effort-based decision-making and apathy in healthy individuals, finding associations between apathy scores and structural and effective connectivity in specific circuits.

This study investigates how extrinsic reward affects motor plasticity during skill learning, finding that reward reduces corticospinal output variability and correlates with individual reward sensitivity.

This study uses tTIS to show that 80Hz striatal stimulation disrupts reinforcement learning of motor skills, while 20Hz does not, indicating a frequency-dependent effect on striatal function.

This study examines if theta-burst patterned tTIS targeting the hippocampus improves associative memory consolidation in older adults, finding it enhances recollection time 24 hours post-stimulation.

This study demonstrates that noninvasive theta burst stimulation of the human striatum increases striatal activity and improves motor skill learning, particularly in older adults.

This study shows that reward timing affects motor learning, with short delays leading to continuous gains and long delays causing early plateaus and reduced consolidation.

This paper uses dual-site TMS to examine the causal influence of SMA and mOFC on M1 activity, finding SMA stimulation facilitates M1 activity related to SMA volume, while mOFC stimulation suppresses M1 activity regardless of mOFC volume.

This study shows reward enhances motor learning beyond reinforcement feedback by specifically strengthening reinforcement-related motor adjustments, with effects lasting beyond the training session.

This study shows that motor training strengthens preparatory suppression of corticospinal excitability, which is linked to faster movement initiation.