Motor Control and Adaptation

Signatures of contextual interference in implicit sensorimotor adaptation

This study investigates contextual interference in implicit sensorimotor adaptation by comparing blocked and random practice schedules on a reaching task with feedback perturbations.

A robust role for motor cortex

This study challenges the traditional view of motor cortex function by showing that rats with motor cortical lesions show impairments in unexpected obstacle course scenarios but not in repeated trials.

Motor outcomes congruent with intentions may sharpen metacognitive representations

The paper investigates how metacognitive monitoring of movements is influenced by the distal outcome of actions, finding that outcome information sharpens confidence ratings when outcomes match intentions.

Integrated control of non-motor and motor efforts during decision between actions

The paper investigates how energy resources are shared between decision-making and motor actions during a perceptual decision task with increasing motor difficulty.

Modulation of motor vigour by expectation of reward probability trial-by-trial is preserved in healthy ageing and Parkinson's disease patients

This study shows that reward probability expectations dynamically modulate motor performance in healthy ageing and Parkinson's disease patients without affecting reaction times.

Assistive loading promotes goal-directed tuning of stretch reflex gains

The paper investigates how preparatory modulation of stretch reflex gains is influenced by target direction, preparation duration, and assistive loading during goal-directed reaching.

Cortical patterns shift from sequence feature separation during planning to integration during motor execution

The paper investigates how cortical activity shifts from separating sequence features during planning to integrating them during motor execution in humans.

Emergent low-frequency activity in cortico-cerebellar networks with motor skill learning

This study identifies low-frequency oscillatory activity in cortico-cerebellar networks during motor skill learning in rats.

Intralimb locomotor coordination in rats walking on asymmetric pegway

The paper characterizes spatiotemporal muscle activation patterns in rat forelimbs during asymmetric stepping, finding stereotypical and lateralized patterns similar to those in cats.

Loss of motor cortical inputs to the red nucleus after central nervous system disorders in non-human primates

The paper quantifies corticorubral projections in non-human primates with motor disorders, finding near loss of projections from PM and M1 in SCI, PD-like, and MCI conditions.

Evidence for subjective values guiding cognitive integration of gravity in a free speed manifold pointing task

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.

Cortical Representation of Movement Across the Developmental Transition to Continuous Neural Activity

The paper shows that nonlinear decoders better predict limb movements in rat M1 at P12 compared to P8, indicating a shift to more complex and individualized sensory representations with continuous cortical activity.

Sensory constraints on volitional modulation of the motor cortex

This study investigates how sensory context affects the ability of monkeys to volitionally modulate single neurons in the motor cortex during a cursor control task.

Mechanisms of Premotor-Motor Cortex Interactions during Goal Directed Behavior

This paper investigates the functional interactions between premotor and motor cortical areas in rats during goal-directed behavior, revealing differential roles of neuronal subpopulations in movement preparation and execution.

Minimal impact of proprioceptive loss on implicit sensorimotor adaptation and perceived movement outcome

This study investigates the role of proprioception in implicit sensorimotor adaptation and perceived movement outcome by examining individuals lacking proprioception, finding minimal impact on adaptation and perceived outcome.

Predictors of sensorimotor adaption: insights from over 100,000 reaches

This study uses a large dataset from a citizen science project to analyze predictors of sensorimotor adaptation and identifies novel constraints in implicit and explicit learning processes.

Sensorimotor feedback loops are selectively sensitive to reward

This study investigates how reward affects seven sensorimotor feedback loops in humans, finding that faster loops are insensitive to reward while slower loops show latency reductions.

Cortical, muscular, and kinetic activity underpinning attentional focus strategies during visuomotor control

This study examines how internal and external attentional focus strategies affect kinetic, cortical, muscular, and corticomuscular activity during an isometric force precision task, finding internal focus reduces force accuracy and alters neural and muscular activity.

Enhanced cognitive interference during visuomotor tasks may cause eye-hand dyscoordination

The paper examines how cognitive load affects eye and reaching movements in visuomotor tasks, showing increased saccades and slower movements in stroke survivors and controls during a cognitively demanding variant.

Cerebro-cerebellar networks facilitate learning through feedback decoupling

This paper introduces a computational model of cerebro-cerebellar interactions that decouples learning from feedback, showing improved performance in motor and cognitive tasks.

Hierarchical VAEs provide a normative account of motion processing in the primate brain

This study shows hierarchical VAEs better model motion perception by aligning with brain function and ecological stimulus statistics.

Low vision impairs implicit sensorimotor adaptation in response to small errors, but not large errors

This study finds that low vision impairs implicit sensorimotor adaptation for small visual errors but not large ones, revealing a constraint on how low-fidelity visual information is processed for motor learning.

Cortical areas involved in grasping and reaching actions with and without visual information: an ALE meta-analysis of neuroimaging studies

This study conducts an ALE meta-analysis of neuroimaging studies to identify consistent neural activations for grasping and reaching actions with and without visual information.

Extended practice improves the accuracy and efficiency of goal-directed reaching guided by supplemental kinesthetic vibrotactile feedback

Extended practice with kinesthetic vibrotactile feedback improves reaching accuracy and efficiency, with performance comparable to visual feedback after 10 hours of training.

Early excitatory and inhibitory modifications in the motor cortex following skill learning support motor memory consolidation and cortical plasticity overnight

This study shows early changes in glutamate and GABA in the motor cortex after motor learning support memory consolidation and plasticity over time.

Spatial Evolution of Information Dynamics in the Primary Motor Cortex During Reach

This study shows that the spatial organization of motor cortex encoding changes dynamically during movement, with stable topographic maps near movement onset.

Distinct patterns of cortical manifold expansion and contraction underlie human sensorimotor adaptation

This study uses fMRI and manifold learning to show how cortical activity patterns change during sensorimotor adaptation, revealing contraction and expansion in specific brain regions.

The hippocampus binds movements to their temporal position in a motor sequence

This study investigates how the hippocampus represents temporal order in motor sequences using fMRI, finding that it binds movements to their temporal position, unlike other motor regions.

Proprioceptive and visual feedback responses in macaques exploit goal redundancy

This study shows macaques can exploit goal redundancy in motor tasks, similar to humans, by adjusting their responses based on visual and proprioceptive feedback.

A complex reach direction rule that delays reaction time causes alternating excitation and inhibition in express muscle responses and corticospinal excitability

This study investigates neural control signals during reaching by isolating express and voluntary responses, revealing alternating excitation and inhibition in muscle activity and corticospinal excitability.