Charalambos Papaxanthis

This study shows that repeated neuromuscular electrical stimulation in rats leads to maladaptive muscle-to-brain signaling, including inflammation and reduced hippocampal markers, unlike acute stimulation benefits.

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

This study shows mental fatigue impairs motor performance during practice but enhances learning during rest periods in a finger-tapping task.

This study compares arm and whole-body motor control in younger and older adults to determine if age-related changes reflect deterioration or compensation, finding that reduced whole-body movement efficiency correlates with balance control.

This study uses EEG and a humanoid robot to predict human and robot movement during motor learning, showing neural correlates of learning and decoding movement parameters.

The paper uses machine learning to analyze multimuscle activity during pointing movements, revealing modular tuning of muscles to direction and the role of deactivation in reducing effort.

This study investigates how motor strategies adjust under different accuracy constraints, finding that gravity-related effort minimization decreases when high accuracy is required.

The paper investigates motor simulation deficits in aphantasia by comparing MEP responses during motor imagery and action observation between phantasics and aphantasics.

The paper investigates motor simulation during action reading in individuals with and without aphantasia, finding reduced corticospinal excitability and comprehension in aphantasics.

This study investigates the effects of moderate-intensity exercise before and after mental practice on motor acquisition and consolidation, finding that exercise after mental practice enhances consolidation.

The paper analyzes phasic EMG activity during arm movements to show how the CNS optimizes gravity effects across movement speeds and directions.

This study investigates whether sensorimotor predictions underlie action observation by comparing timing processes in locomotion inference and mental locomotion tasks using sensory illusions.

The paper investigates whether action language and motor imagery share motor representations through behavioral and neurophysiological experiments.

The paper investigates how individual subjective values influence movement planning in a vertical plane task, finding that energy minimization is not the sole factor guiding motor behavior.

The paper investigates how sentence context affects corticospinal excitability during action verb processing, finding that rich context sharpens motor representations.

The paper investigates motor cortex activation during reading of affirmative and negative action sentences, finding similar corticospinal excitability for both but increased inhibition at later latencies, supporting a two-step model of negation.

This study shows that evening training leads to better skill consolidation compared to morning or afternoon training, with sleep contributing to this effect.

This study shows that mental practice improves motor skill accuracy and speed and alters functional connectivity between the cerebellum and primary motor cortex.

This study investigates how time-of-day affects motor skill acquisition and consolidation after physical and mental practice, finding better consolidation in the afternoon for both types of practice.

The study finds that the dominant arm minimizes muscle effort more effectively than the non-dominant arm during vertical arm movements, as indicated by directional asymmetries and reduced negative epochs in muscular activity.

The paper compares movement smoothness between physical and motor imagery practice, finding that physical practice leads to smoother movements as indicated by fewer velocity peaks.

This study compares motor lateralization in young and older adults during vertical arm movements, finding reduced lateralization in older adults.

The paper investigates how contraction-dependent intracortical inhibition supports gravity-efficient motor control during vertical arm movements.

The paper demonstrates that gravity is used to optimise motor patterns by reducing muscle effort in human and monkey arm movements.

This study investigates how short-interval intracortical inhibition (SICI) changes during motor imagery using an adaptive threshold-hunting paradigm and finds that SICI modulation depends on conditioning stimulus intensity.

This study examines motor planning of vertical arm movements in young and older adults, finding that effort optimization persists with aging but shows increased directional asymmetry.

An acute session of motor imagery training induces use-dependent plasticity, as evidenced by changes in corticospinal excitability and movement direction.

The paper investigates the role of the insula in processing gravity during movement, finding distinct activation patterns for predictive and reactive mechanisms.

The paper shows that grip force control during object manipulation involves a switch between two feedforward control strategies based on object stiffness.