Motor Control and Adaptation

The paper investigates age-related deficits in motor adaptation and finds that cognitive components are reduced in older adults, while internal model recalibration remains intact.

This study shows that vibrotactile feedback improves reach accuracy by reducing proprioceptive drift and altering movement planning, but also leads to a cognitive strategy that persists despite training.

This study investigates how motor sequence learning improves by examining the role of pre-planning and online planning in a discrete sequence production task.

This study shows that both intrinsic and extrinsic dynamics are necessary to explain movement intermittency in continuous tracking tasks through constructive interference between motor errors and feedback corrections.

The paper investigates how explicit and implicit learning in visuomotor adaptation tasks combine through mixed reference frame representations to produce generalization patterns.

The paper examines how muscle spindle feedback affects the modular organization of locomotion in mice, showing that proprioceptive input is crucial for maintaining motor function during walking and swimming.

The paper investigates how inferior olive neurons respond to different sensory inputs and shows their firing is influenced by recent activity history rather than stimulus strength.

In human fMRI, consolidated finger sequences are more discriminable than new ones in sensorimotor putamen, premotor and prefrontal cortices, but less so in hippocampus and caudate.

This study shows that fatigue impairs motor skill learning even when task execution is not affected, suggesting training beyond fatigue may hinder long-term skill acquisition.

The paper shows that corrective muscle activity reflects motor system adaptation, revealing age-related decline in motor learning not detectable through kinematic measures.

The paper identifies neural correlates of reward and sensory error processing during motor learning using EEG, finding the FRN is specific to reward feedback while P300 is modulated by prediction error in both tasks.

The paper investigates how preparatory inhibition during movement preparation varies with anatomical distance between the target muscle and the movement effector.

This study shows that mice adapt to split-belt treadmill walking similarly to humans, revealing conserved locomotor learning mechanisms and distinct neural circuits for spatial and temporal adaptation components.

This study shows that human premotor cortex represents both straight and complex hand trajectories, while posterior parietal cortex only represents straight trajectories during movement planning.

The paper shows that spinal stretch reflexes adjust based on hand displacement relative to a target, not muscle stretch, demonstrating efficient motor control through musculoskeletal redundancy.

This study investigates how the brain plans motor sequences by analyzing MEG data, finding that competitive queuing of sequential representations predicts performance accuracy.

This study shows that increasing propulsion demands during split-belt walking enhances locomotor learning and after-effects, while altering step length symmetry.

This study shows that smooth pursuit initiation is sensitive to visual inputs during 'open-loop' intervals, with transient eye position errors affecting eye velocity and acceleration.

The paper identifies three functional Purkinje cell regions in zebrafish that encode visual or motor signals during reflexive behaviors.

This study investigates how implicit and explicit learning contribute to saccade adaptation in reactive versus voluntary tasks, finding that explicit learning is reduced in voluntary saccades.

This study examines how reward and punishment during skill training affect functional connectivity in the premotor cortex, showing task-specific changes in brain regions involved in learning.

This study investigates how the nervous system initiates and converges on optimal gaits during energy optimization using human experiments and reinforcement learning models.

The paper re-analyzes grasping data to determine whether spatial biases are due to energy minimization or visibility maximization, finding visibility is the primary factor.

This study identifies two distinct working memory strategies in sensorimotor learning: discrete response caching and parametric computations, showing how they trade off based on task complexity and learning progress.

This study shows that increased simple spike activity in Purkinje cells, facilitated by long-term potentiation at parallel fiber synapses, contributes to whisker reflex adaptation in mice.

This study shows that patients with cerebellar degeneration cannot switch from sensory-prediction-error-based to target-error-based learning in visuomotor tasks, even when vision of the hand eliminates sensory-prediction errors.

This study investigates the oculomotor system's ability to track slow target motions in rhesus macaques, revealing a band-pass transfer function and directional differences in pursuit gain.

The paper investigates whether ipsilateral brain activity during finger movements is driven by active movement or sensory input, finding that ipsilateral representations are stronger during active presses.

The paper shows that corollary discharge signals accompany motor twitches in infant rats during sleep, with a sharp peak in activity in the inferior olive due to slow potassium channels.

This study investigates the uncertainty in visual speed estimates during biomimetic arm movements and proposes a joint-based sensory feedback paradigm to reduce joint speed uncertainty when paired with vision.