Motor Control and Adaptation

Dissociable Roles of Primary Motor and Supplementary Motor Cortex in Shaping the Neural Drive to Muscle

This study uses TMS to inhibit M1 and SMA in healthy participants, revealing distinct roles in motor output: M1 controls force magnitude via firing rates, while SMA affects motor strategy through coherence and unit composition.

Practice-dependent refinement of motor execution is retained and broadly transferable but constrained by movement direction

The paper examines how practice improves motor execution speed and accuracy, showing durable gains that generalize to novel tracks but are constrained by movement direction.

Hybrid virtual reality object lifting matches real-world object lifting

This study compares real-world and hybrid VR object lifting tasks to examine how visuo-proprioceptive feedback affects force control and learning during object manipulation.

Continuous contributions of the dorsolateral striatum to movement initiation and execution

The paper investigates the role of dorsolateral striatum (DLS) in movement initiation and execution using optogenetic inhibition in rats, finding continuous contributions to forelimb and whole-body movements.

Statistical factorization in motor control: Opposing biases from statistics on different timescales enable fast and accurate behavior

The paper shows that motor control uses two statistical processes on different timescales to improve both speed and accuracy of movements.

Facilitating the Supplementary Motor Area Activity Reduces Variability of Ball Arrival Position in Accurate Ball Throwing Performance

This study shows that stimulating the supplementary motor area (SMA) with intermittent theta burst stimulation (iTBS) reduces variability in ball throwing performance without affecting speed.

A shared cortical manifold links sensory error to motor planning

This paper identifies a shared cortical manifold in mice that links sensory error signals to motor planning during a skilled acoustic task.

No gender differences in predictive processing

This study finds no gender differences in statistical learning, showing similar reaction times and accuracy in men and women during a visuomotor task.

Savings and interference following learning to reach with mirror reversed feedback

This study investigates savings and interference effects in visuomotor learning, finding that mirror reversed distortion learning leads to savings but interferes with learning a new distortion.

Engagement of motor and perceptual awareness when learning to reach with mirror reversed feedback

This study shows that learning to reach with mirror reversed feedback involves explicit motor and perceptual awareness, which generalizes to novel targets, unlike learning with a visuomotor rotation.

Eye tracking insights into movement preparation and execution under nonstandard visual movement feedback

This study investigates oculomotor correlates of hand-eye coordination under standard and nonstandard visual feedback, finding increased pupil dilation and reduced tracking performance during expectation violations.

Mistakes matter, age doesn't: task outcome modulates implicit motor adaptation similarly in young and older adults

The paper investigates whether implicit motor adaptation in young and older adults is similarly modulated by task outcomes, finding no consistent age effect in the motor domain but effects in the cognitive domain.

ArchSpiral: An iPad-Based Digital Archimedean Spiral Assessment for Objective Motor Evaluation in Rare Diseases

ArchSpiral is an iPad app that digitizes a motor assessment task, showing strong agreement with paper-based scores and providing quantitative metrics for rare disease research.

Closed-loop sensory feedback enables fast and reliable instrumental acquisition in head-fixed mice

This study shows that closed-loop sensory feedback accelerates instrumental learning in mice by reducing trial numbers and improving accuracy during task performance.

Preserved cerebellar functions despite structural degeneration in older adults

This study shows that cerebellar motor functions remain preserved in older adults despite structural degeneration, while non-cerebellar sensorimotor functions decline with age.

Climbing fibers encode the gradient of a loss function for the cerebellum

The paper shows climbing fibers in the cerebellum encode the gradient of a loss function, solving the credit assignment problem by scaling error with reward prediction errors.

Beta power modulation supports micro-consolidation of implicit motor sequences

This study shows that beta power modulation during rest periods supports micro-consolidation of implicit motor sequences, similar to its role in explicit learning.

Internal perturbation reveals the flexible and adaptive nature of the coordination between decisions and movements

The paper shows that slowing decision-making in monkeys through internal perturbation reorganizes decision-movement coordination, revealing adaptive flexibility in behavioral control.

Temporal Dynamics of Sensorimotor Integration for Auditory and Proprioceptive Target Information During Movement Preparation and Execution

This study examines how auditory and proprioceptive target information affects movement variability and control during preparation and execution, finding modality-specific effects in sensory encoding and execution phases.

Self-timed movement initiation requires rapid sequential coordination of circuits in prefrontal cortex and cerebellum

The paper identifies a neural pathway involving prefrontal cortex and cerebellum that enables self-timed movement initiation in mice through optogenetic photoinhibition.

Individual limb measures of split-belt adaptation are correlated with shifts in lower limb position sense

This study investigates how sensorimotor adaptation during split-belt treadmill walking affects lower limb position sense, finding no reliable changes in position sense but a relationship between adaptation plateau and double limb support time.

Competitive pre-ordering during planning persists in kinematically fused sequential movements

The paper investigates how kinematic fusion affects sequence planning in a handwriting-like task, finding that movement elements remain competitively pre-ordered regardless of fusion, supporting competitive queuing rather than neural fusion.

Sustained dynamics of saccadic inhibition and adaptive oculomotor responses during continuous exploration

The paper investigates how saccadic inhibition and rebound responses change during repeated visual stimuli in naturalistic conditions, finding that inhibition remains stable while rebound habituates.

Neural evidence for action-related somatosensory predictions

The paper investigates neural predictions of tactile consequences during self-initiated movements using EEG, finding predictive activity before tactile stimuli and a stimulus-specific omission response.

Movement Directions Aligned in Joint Space Are Not Aligned in Muscle Space

The paper shows that movement directions aligned in joint space are not aligned in muscle space, and this mismatch affects visuomotor adaptation generalization.

Motor Learning and Transfer Are Symmetric Across Hands

The paper investigates motor learning and transfer symmetry across hands using meta-analysis and experiments, finding symmetric adaptation and transfer despite hemispheric lateralization in motor control.

Neuromuscular, Cardiovascular, and Cognitive Fatigue in Motor Learning: A Systematic Review

This study reviews how cognitive, cardiovascular, and neuromuscular fatigue affect motor learning, finding mixed effects on acquisition and retention with limited neurophysiological evidence.

Sensory origin of oculomotor variability revealed by MT population activity

The paper shows that variability in sensory neural populations contributes to motor variability in oculomotor tasks, but traditional models poorly predict behavioral variations.

Cerebellar activity is triggered by reach endpoint during learning of a complex locomotor task

This study investigates how cerebellar activity encodes paw movements during a complex locomotor task, finding that cerebellar circuits are tightly aligned with step cycle events.

Deep learning framework for kinematic event detection and stimulation decoding in primate reaching behavior

This paper develops a deep learning framework to detect kinematic events in primate reaching behavior and assesses its performance across animals.