Motor Control and Adaptation

The paper develops a software tool for at-home sensorimotor adaptation studies, showing similar behavioral results to lab settings.

This paper uses a computational model to show that α-MN collaterals to γ-MNs reduce velocity-dependent stretch reflex disruptions during voluntary movement.

This study uses an RNN model of motor cortex to show that internal dynamics and proprioceptive feedback interact during movement execution, with feedback controlling movement termination and improving robustness.

This study compares deep reinforcement learning models with monkey behavior in a reaching task, showing convergence toward optimal motor paths and revealing sub-optimal trade-offs in movement duration and energy cost.

The paper investigates how motor cortex layer 2/3 neurons encode spatial target information during reaching tasks in mice, showing target-space selectivity persists beyond movement execution.

This study examines how losing fingertip touch affects eye-hand coordination during a manual dexterity task, finding increased trial times, altered force profiles, and more aligned gaze and hand positions.

The paper shows that sensory uncertainty affects motor learning differently in blocked vs interleaved trial contexts when both feedforward and feedback processes are engaged, with abrupt changes in movement plans correlated with sensory uncertainty.

The paper investigates whether sensory uncertainty drives abrupt changes in motor plans during movement or acts as a context cue for context-specific motor learning, finding that an aiming model better explains the data.

This study investigates how visual feedback influences sensorimotor interactions during motor learning, finding a double dissociation in brain activity and reduced connectivity between somatosensory and visual cortices.

This study shows anticipatory smooth eye movements scale with target speed and acceleration probability, indicating the brain uses internal models of motion kinematics for prediction.

This study shows that reticulospinal tract activity scales with handgrip force in humans, unlike contralateral motor cortex.

The paper identifies a corticothalamic channel in the motor cortex that coordinates skilled motor sequences by amplifying thalamic integration of sensorimotor inputs.

This study investigates how DLPFC and M1 contribute to motor skill learning across expertise levels using transcranial magnetic stimulation.

This study shows that the sensorimotor striatum is not essential for species-typical behaviors but plays a role in shaping skilled behaviors through distinct coding schemes.

The paper distinguishes de novo learning and motor adaptation, finding distinct retention and generalization patterns between the two learning types.

This study shows that corticokinematic coherence (CKC) specifically predicts gross motor skills better than traditional measures like coordination.

The paper investigates rhythm receptive fields in the striatum of mice performing complex movements, finding neurons sensitive to movement rhythm parameters and highlighting their role in motor coordination.

This study investigates how continuous motor skills are learned through a video game task, finding that performance generalizes at the kinematic level but not at the task success level, suggesting a flexible control policy rather than chunked action sequences.

This study identifies distinct roles of thalamic nuclei in the refinement of spatial reach movements in mice, showing that Pf nuclei control direction refinement while VAL nuclei influence speed and overshoot.

This study investigates how humans control force by examining trade-offs between error reduction and biases in force tracking tasks.

The paper examines how muscle synergy activation coefficients change with movement proficiency and learning, finding increased trial-to-trial similarity and distinctness.

This study shows that motivation increases the rate of adaptive response in motor learning, enhancing the speed of learning.

This study investigates how motor direction representation changes in primate premotor and primary motor cortices during learning, finding that PMdc neurons dynamically adjust their preferred direction while M1 neurons maintain stability.

This study shows motor cortex is needed for flexible, cue-driven motor sequences but not for automatic sequences, and this dependency changes when sequences are practiced together.

This study examines the effect of dopamine D2 receptor blockade on motor skill acquisition and consolidation in humans, finding reduced acquisition but no impact on consolidation.

This study investigates how visual feedback affects corticostriatal activity during motor skill learning, finding distinct neural responses in striatal subregions and the vmPFC depending on feedback type.

The paper investigates whether age-related reduction in movement vigor is due to decreased reward valuation or increased effort costs, finding that older adults expend more energy during reaching and show less reward sensitivity.

The paper shows that higher surface folding of the human premotor cortex predicts better long-term learning in a motor task, independent of other structural factors.

The paper investigates whether goal-directed movements follow pre-planned trajectories or result from online control, finding evidence of early feedback control and varying controller gains during movements.

The paper shows that suppressing molecular layer interneurons (MLIs) in mice enables climbing-fiber-mediated motor learning during the vestibulo-ocular reflex, even without performance errors.