Motor Control and Adaptation

Cortex-independent open-loop control of a voluntary orofacial motor action

This study shows that a cortex-independent internal model in the red nucleus can control voluntary orofacial motor actions without requiring peripheral feedback or motor cortex.

Invariant neural dynamics drive commands to control different movements

This study shows that invariant neural dynamics guide movement commands across different movements using a brain-machine interface in rhesus macaques.

Distinct patterns of connectivity with motor cortex reflect component processes of sensorimotor learning

The paper identifies three distinct connectivity patterns with motor cortex during sensorimotor adaptation, each linked to different learning processes and generalizes one to explicit motor learning.

Genetic influences on motor learning and superperformance mutants revealed by random mutational survey of mouse locomotion

The paper identifies mutations affecting motor learning and locomotion in mice by screening 36,444 germline mutations and analyzing their impact on motor performance.

Evidence for a common mechanism supporting invigoration of action selection and action execution

The paper shows that invigoration of action selection and action execution are linked, with changes in one affecting the other.

Metacognitive Judgments during Visuomotor Learning Reflect the Integration of Error History

This study models how confidence judgments during visuomotor learning integrate recent error history and environmental volatility.

Congruent visual cues speed dynamic motor adaptation

This study shows that congruent visual cues enhance motor adaptation by improving state estimation during learning of novel dynamics.

The influence of movement speed on reward-based motor learning

This study investigates whether faster movement speeds improve reward-based motor learning by increasing variability, but finds no difference in learning between fast and slow movement sessions.

Reach corrections toward moving objects are faster than reach corrections toward jumping targets

This study shows that reach corrections toward moving objects are faster than toward jumping targets, suggesting that continuous motion cues improve motor adaptation.

A haptic illusion created by gravity

The paper shows that gravity affects the perception of tangential forces during manual tasks, creating a haptic illusion where downward forces are overestimated compared to upward forces.

Feeling lucky? Prospective and retrospective cues for sensorimotor confidence

The paper investigates how humans use prospective and retrospective cues to judge sensorimotor confidence, finding that some participants use both while others rely only on prior information.

MotorNet: a Python toolbox for controlling differentiable biomechanical effectors with artificial neural networks

MotorNet is a Python toolbox that enables training artificial neural networks on differentiable biomechanical effectors for motor control tasks.

Future spinal reflex is embedded in primary motor cortex output

The paper shows that primary motor cortex encodes future spinal reflexes to coordinate with afferent signals and muscle activity during movement.

Selective direct motor cortical influence during naturalistic climbing in mice

The paper identifies selective direct motor cortical influence on limb muscles during climbing in mice, revealing distinct neural activity patterns.

Protracted development of visuo-proprioceptive integration for uni-and bimanual motor coordination

The paper examines the development of visuo-proprioceptive integration in children aged 4-12 through multiple sensorimotor tasks, finding that coordination abilities develop sequentially and interdependently.

Implicit motor adaptation patterns in a redundant motor task manipulating a stick with both hands

The paper investigates how the motor system adapts to visual perturbations in a redundant motor task involving a virtual stick manipulated with both hands, revealing that baseline relationships guide implicit adaptation.

The spatio-temporal architecture of everyday manual behavior

The paper analyzes hand movement patterns during everyday tasks to identify recurring hand configurations and their temporal transitions.

Subsensory stochastic electrical stimulation targeting muscle afferents alters gait control during locomotor adaptations to haptic perturbations

This study shows that subsensory electrical stimulation of muscle afferents speeds up but reduces the extent of gait adaptation to haptic perturbations.

Pupil dilation scales with movement distance of real but not of imagined reaching movements

This study shows that pupil dilation correlates with movement distance during executed reaching but not during imagined reaching, suggesting different cognitive processes underlie each.

Dynamic involvement of premotor and supplementary motor areas in bimanual pinch force control

This study uses fMRI to investigate brain activity during bimanual pinch force tasks, finding increased activation and coupling in premotor and motor areas during asymmetric force control.

Practice often and always get ready: a spiking mechanistic model for voluntary motor control

The paper presents a spiking mechanistic model of voluntary motor control based on two principles: practice through hierarchical training and continuous prediction for feedback control.

Fast prediction in marmoset reach-to-grasp movements for dynamic prey

This study examines marmoset reach-to-grasp movements for dynamic prey, finding very short visuo-motor delays and visual prediction compensating for these delays during fast reaching.

Contrasting action and posture coding with hierarchical deep neural network models of proprioception

The paper uses synthetic data to compare two tasks in proprioception modeling, finding that action recognition better explains neural tuning properties than trajectory decoding.

Cortically-evoked movement in humans reflects history of prior executions, not plan for upcoming movement

The paper investigates whether cortically-evoked movement biases reflect past execution or planning, finding that execution history affects physiological biases but not planned movements.

OPERANT REFLEX CONDITIONING SIMULATION ENVIRONMENT REVEALS EFFECTS OF FEEDBACK PARAMETERS

The paper simulates operant conditioning to study how feedback parameters affect learning outcomes and strategy in a visuomotor task.

Hindlimb Muscle Representations in Mouse Motor Cortex Defined by Viral Tracing

This study uses rabies virus tracing to map motor cortical projections to hindlimb muscles in mice, revealing specific cortical areas involved in controlling fast- and slow-twitch muscles.

Low-dimensional neural manifolds for the control of constrained and unconstrained movements

The paper investigates whether low-dimensional neural manifolds in M1 are present during unconstrained natural movements and finds they are, with similar dimensionality to constrained movements.

De novo motor learning creates structure in neural activity space that shapes adaptation

The paper shows that neural activity structure from prior learning influences adaptation, with more structured networks adapting better under specific conditions.

Spatiotemporal modulation of a fixed set of muscle synergies during unpredictable and predictable gait perturbations in older adults

The paper examines how older adults adjust muscle synergies during gait perturbations, finding that four core synergies are preserved but modified in timing and muscle contribution.

Behavioral Consequences of Velocity Commands: Brownian Processes in Human Motor Tasks

This study investigates the behavioral consequences of velocity commands in human motor tasks, finding that noise in velocity commands leads to Brownian motion patterns in position.