Motor Control and Adaptation

Intermittent movement control emerges from information-based planning

This study introduces an information-based control framework that generates human-like movement behavior in discrete and continuous tasks by dynamically adjusting planning based on surprise and task constraints.

Cerebellar involvement in self-timing

This study shows that cerebellar inhibition affects time estimation in predictable and unpredictable timing tasks in rats, indicating its role in supra-second interval timing.

Speed-accuracy trade-offs in Roulette betting

This study examines how individuals balance speed and accuracy in Roulette betting, finding that participants improve and approach optimal performance through learning.

Changes in Gait Asymmetry May Be Caused by Adaptation of Spinal Reflexes

This study uses a neuromuscular model to show that spinal reflex gain adaptations, not belt speed changes, drive gait asymmetry during split-belt treadmill locomotion.

Transfer of learned object manipulations between two- and five-digit grasps

This study shows that learned object manipulation skills transfer between two-digit and five-digit grasps, with subjects adapting forces and torque to minimize object roll despite challenges in force distribution.

Reorganization of motor functions within visuomotor networks subsequent to somatosensory cortical damage

This study investigates how damage to primary somatosensory cortex affects motor networks in humans, showing altered activation in subcortical areas and potential reorganization of motor function.

Long-term development of a motor memory

This study examines long-term motor memory development through extended training, finding increased retention, spontaneous recovery, and narrowed generalization.

Feedback-based motor control can guide plasticity and drive rapid learning

This study shows that feedback-based motor control and motor adaptation share a common implementation in M1 circuits, as demonstrated through a recurrent neural network trained with error feedback.

Effector selection precedes movement specification: evidence from repetition effects in motor planning

The paper investigates repetition effects in motor planning by separating motor and visual cues, finding that effector selection precedes movement specification and influences reaction times.

Whole-body coarticulation reflects expertise in sport climbing

The paper investigates coarticulation in sport climbing, showing that expert climbers adjust their movements based on future planned actions, while non-climbers do not.

Goal-directed action preparation in humans entails a mixture of corticospinal neural computations

This study shows that goal-directed action preparation in humans involves both multiplicative gain increases and additive suppression in corticospinal projections to relevant and irrelevant muscles, enhancing signal-to-noise for efficient action execution.

Cortical control of innate behavior from subcortical demonstration

This study shows that mice can learn to avoid a cold stimulus through cortical control, even without prior experience, suggesting a dynamic interaction between cortical and subcortical brain areas.

Decoding Parametric Grip-Force Anticipation from fMRI-Data

This study uses fMRI and MVPA to decode how grip-force intensity is represented in the brain during working memory, showing distinct patterns in vmPFC and motor areas.

Identification of V0g propriospinal neurons and their role in locomotor control

The paper identifies Pitx2+ ascending propriospinal neurons in mice and shows their role in precise limb movements during skilled locomotion.

Computational mechanism underlying switching of motor actions

The paper investigates the computational mechanisms of action switching, finding that it involves a pause mechanism after movement onset when target location is unknown, distinct from stopping processes.

Feedback and feedforward control are differentially delayed in cerebellar ataxia

This study examines movement control in cerebellar ataxia, finding preserved feedforward and feedback control structures but increased delays and reduced feedback gain, with preview information improving performance.

Balancing postural control and motor inhibition during gait initiation

This study investigates how stopping a planned gait initiation affects postural control and identifies biomechanical thresholds influencing movement suppression.

Successive failure triggered by motor exploration in a reinforcement-based reaching task

This study examines whether successive failures occur above chance levels during a motor learning task and how they relate to learning outcomes.

The predictive outfielder: a critical test across gravities

This study introduces a predictive model for intercepting moving targets that incorporates gravitational dynamics, validated through virtual reality experiments showing better alignment with human behavior than traditional optical-based models.

Mapping eye, arm, and reward information in frontal motor cortices using electrocorticography in non-human primates

This study maps eye, arm, and reward information in frontal motor cortices of non-human primates using micro-ECoG during reaching tasks, revealing overlapping neural computations.

A Bayesian decision-making model of implicit motor learning from internal and external errors

This paper introduces a Bayesian model to explain how humans distinguish and adapt to internal vs. external movement errors during motor learning.

Error Prediction Determines the Coordinate System Used for Novel Dynamics Representation

The paper shows that the motor system uses error prediction to determine which coordinate system for dynamics representation is more reliable, explaining past discrepancies.

Cerebellar control of targeted tongue movements

This study investigates how cerebellar Purkinje cells control tongue movements during drinking, showing that complex spikes signal target position changes and simple spikes influence movement direction.

A cortico-subcortical loop for motor control via the pontine reticular formation

The paper identifies a cortico-subcortical loop involving the pontine reticular formation that regulates motor activity, parallel to the basal ganglia circuits.

Conjoint specification of action by neocortex and striatum

The paper develops a task and models to show that motor cortex and striatum jointly specify movement parameters during a reach-to-pull action in mice.

Post-movement beta rebound reflects strategic re-aiming during motor adaptation, but not re-aiming accuracy

This study examines how post-movement beta rebound (PMBR) relates to strategic re-aiming during motor adaptation, finding it reflects re-aiming strategy but not accuracy.

Subsets of extraocular motoneurons produce kinematically distinct saccades during hunting and exploration.

The paper identifies distinct subsets of extraocular motoneurons in larval zebrafish that produce kinematically different saccades during hunting and exploration.

Not fleeting but lasting: Limited influence of aging on implicit adaptative motor learning and its short-term retention.

This study replicates and refutes previous findings that older adults show reduced implicit motor learning and spontaneous recovery, showing no age-related differences in these processes.

Variance spectrum scaling analysis for high-dimensional coordination in human movement

This paper introduces a variance spectrum scaling analysis to quantify smoothness and dimensionality of movement manifolds, showing it distinguishes healthy gait from impaired gait.

Intuitive sensorimotor decisions under risk take Newtonian physics into account

The paper shows humans integrate sensorimotor variability, Newtonian physics, and risk decision-making to optimize rewards in a virtual puck-sliding task.