Motor Control and Adaptation

Disentangling the effects of metabolic cost and accuracy on movement vigor

The paper investigates how metabolic cost and accuracy constraints interact to influence reaching movement speed, finding that preferred speeds are slower than metabolically optimal.

Interactions between saccades and smooth pursuit eye movements in marmosets

This study investigates how saccades and smooth pursuit eye movements interact in marmosets, finding that saccades enhance pursuit velocity towards the saccade target and increase selectivity in multi-target scenarios.

Concurrent response and action effect representations across the somatomotor cortices during novel task preparation.

The paper investigates how instructions pre-activate motor and perceptual neural states in somatomotor cortices during novel task preparation, finding pre-activation of response-related templates in action control regions.

Computation on demand: Action-specific representations of visual task features arise during distinct movement phases

The paper investigates how visual task features are represented during different movement phases in grasping and knuckling tasks using EEG data.

Representation of grasping type and force in the primate motor cortex

This study examines how grip type and force are represented in primate motor cortex during a grasping task, finding that grip type is more robustly encoded than force.

Concurrent predictive and prospective strategies in a simple visuomotor task

This study investigates how target predictability influences predictive and prospective interception strategies in a visuomotor task, finding that decreased variability promotes predictive strategies while increased variability shifts toward prospective strategies.

Parallel feedback processing for voluntary control: knowledge of spinal feedback in motor cortex

The paper demonstrates that increased spinal reflex responses to loads reduce motor cortex activity, using a neural network model to show how lower-level feedback influences goal-directed motor corrections.

Augmenting visual errors or variability does not enhance motor learning in remote web application tasks

This study investigates whether increasing visual errors or variability in remote web-based motor tasks enhances motor learning, finding no positive effects from these interventions.

Ability to monitor deviations of own movement without visual feedback

This study investigates metacognitive access to sensorimotor signals in a force task and finds that internal attention focus reduces force variability.

Imprecise perception of hand position during early motor adaptation

The paper shows that hand localization precision decreases during early motor learning, especially when using a re-aiming strategy, and this decrease is reduced when attention is fully allocated to hand position.

Cholinergic modulation of motor sequence learning

This study shows that biperiden impairs motor sequence learning by disrupting theta, alpha, and beta oscillations in the motor network.

Reward actively engages both implicit and explicit components in dual force field adaptation

This study shows reward enhances both implicit and explicit components of dual force field adaptation, with distinct effects on learning rates and timescales.

Evidence of optimal control theory over active inference in corticospinal excitability modulations

This study uses TMS in force and angle tasks to test whether corticospinal excitability reflects a motor command or a proprioceptive prediction, finding support for optimal control theory.

Body-part specificity for learning of multiple prior distributions in human coincidence timing

This study shows that learning multiple prior distributions in a timing task is body-part specific, with faster learning for anatomically distant body parts.

Forelimb movements contribute to hindlimb cutaneous reflexes during locomotion in cats

This study investigates how forelimb movements affect hindlimb cutaneous reflexes during locomotion in cats, showing that forelimb movement influences the modulation of these reflexes, especially long-latency responses.

Generalization in motor learning: learning bimanual coordination with one hand

This study investigates how bimanual coordination is learned and generalized through unimanual practice, showing that visual feedback is critical for transferring skills to bimanual tasks.

Neural correlates of online action preparation

The paper investigates neural mechanisms of online action preparation during sequential movements, finding increased activation in parietal and visual areas for overlapping actions, while premotor cortex remains unaffected.

The olivary input to the cerebellum dissociates sensory events from movement plans

The paper investigates how the inferior olive informs Purkinje cells about sensory events and movement plans in marmosets, revealing two distinct groups with different spike patterns related to movement control.

Children exhibit a developmental advantage in the offline processing of a learned motor sequence

This study shows children outperform adults in consolidating motor memories after learning, despite similar initial learning rates.

Vestibular-derived internal models in active self-motion estimation

This study investigates whether participants build an internal model of steering dynamics to predict vestibular reafference during self-motion estimation.

Cortico-cerebellar coordination facilitates neuroprosthetic control

This study shows that coordinated neural dynamics between the primary motor cortex and cerebellum support neuroprosthetic control and that cerebellar activity is necessary for task performance.

Individual variability in sensorimotor learning reflects trait-like neurobehavioral subject factors

The paper links individual differences in sensorimotor adaptation rates to trait-like cognitive brain network structure using behavioral and fMRI data.

Multiplicative Joint Coding in Preparatory Activity for Reaching Sequence in Macaque Motor Cortex

The paper investigates multiplicative joint coding in motor cortex during a double-reach task and finds it transitions to additive coding during execution.

Perturbation Variability Does Not Influence Implicit Sensorimotor Adaptation

This paper shows that perturbation variability does not affect implicit sensorimotor adaptation, as non-linear error correction explains observed effects without requiring changes in error sensitivity.

On Human Motor Coordination: The Synergy Expansion Hypothesis

This paper proposes the expansion hypothesis to explain how humans develop, learn, and use motor synergies, addressing Bernstein's degrees of freedom problem through mechanical, developmental, and behavioral perspectives.

Leg choice for volitional goal-directed stepping is primarily influenced by effort rather than success: A preliminary investigation in neurotypical adults

This study investigates whether leg choice for goal-directed stepping depends on success or effort, finding that effort has a greater influence than success.

Implicit Adaptation is Fast, Robust and Independent from Explicit Adaptation

The paper quantifies implicit visuomotor adaptation across various feedback conditions and finds it occurs faster and more robustly than previously thought.

Developmentally unique cerebellar processing prioritizes self- over other-generated movements

The paper investigates how the developing cerebellum in rats processes self- versus other-generated movements during active sleep, finding that self-generated movements are prioritized for sensorimotor learning.

Selective recruitment: Evidence for task-dependent gating of inputs to the cerebellum

The paper investigates task-dependent gating of neocortical inputs to the cerebellum using fMRI, finding that cerebellar activity increases more than expected during speed-related tasks and working memory encoding.

Cholecystokinin from the Rhinal Cortex Facilitates Motor Skill Learning

This study shows that cholecystokinin (CCK) from the rhinal cortex supports motor skill learning by enabling neuroplasticity in the motor cortex.