Motor Control and Adaptation

A dual Purkinje cell rate and synchrony code sculpts reach kinematics

The paper investigates how Purkinje cell firing rates and synchrony contribute to motor control by analyzing their relationship with mouse reach kinematics.

Multi-timescale neural adaptation underlying long-term musculoskeletal reorganization.

This study investigates CNS adaptation to long-term musculoskeletal changes in non-human primates, revealing a two-phase adaptation process with distinct time constants.

A shared functional architecture for error-based and reinforcement-based motor learning in the human brain

This study shows that error-based and reinforcement-based motor learning share common neural network reconfigurations in higher-order brain regions, with task-specific differences in posterior medial cortex.

Cortical adaptation to muscle fatigue does not alter early proprioceptive processing in primary sensorimotor cortex

The paper examines how muscle fatigue affects cortical processing of proprioceptive afference and finds no significant change in early processing but notes altered MEG power and alpha/beta activity in sensorimotor cortex.

Movement Effort does not alter the Planning Horizon of Sequential Reaching Movements

The paper investigates if increased movement resistance changes the planning horizon in sequential reaching tasks and finds no significant effect.

Adaptation of motor control strategies and physiological arousal during repeated blocks of split-belt walking

This study investigates how physiological arousal and motor control strategies adapt during repeated split-belt walking, finding reduced arousal and adaptation in later blocks.

Audiomotor prediction errors drive speech adaptation even in the absence of overt movement

This study shows that speech adaptation occurs in response to auditory prediction errors even when no movement is executed, challenging models that rely on corrective motor commands.

Striatal ensembles specify and control ongoing actions at fine motorresolution

This study identifies and manipulates striatal ensembles to show they control fine motor actions in real time.

Expert Motor Synergies Emerge Predominantly Offline During Early Skill Learning

The paper shows that expert motor synergies form early in skill learning, strengthen during rest breaks, and predict skill gains.

VISUAL EXPERIENCE SHAPES ARM POSITION SENSE IN INTERNAL AND EXTERNAL REFERENCE FRAMES AND ASSOCIATED CORTICAL LOAD

This study compares arm position sense in visually impaired and sighted individuals, finding reduced accuracy and increased cognitive load in visually impaired participants, with greater demands for external coordinate tasks.

Persistent activity of cerebellar molecular layer interneurons facilitates anticipatory control of tongue movements

The paper shows that persistent Ca2+ activity in cerebellar interneurons supports anticipatory tongue movements in mice.

From reactive to anticipatory control of tongue movements for interception in mice

This paper develops a behavioral task for head-fixed mice to intercept moving food pellets, showing a shift from reactive to anticipatory control strategies.

A transition to a more efficient attentional strategy facilitates motor learning in the presence and absence of movement-evoked experimental pain. A cross-sectional experimental study.

This study examines how movement-contingent pain affects motor learning and attentional allocation, finding similar performance improvements across groups despite pain presence.

Webers Law in walking: sensory scaling is observed in multi-sensory, dynamic tasks

The paper investigates whether Webers Law applies to multi-sensory, dynamic motor tasks like walking, finding that sensitivity to speed differences follows Webers Law at non-habitual speeds but not at comfortable speeds.

Non-saturating dimensionality, contextual dependence, and the limits of unsupervised decoding in motor cortex

The paper shows that unsupervised dimensionality in motor cortex does not reflect movement complexity but instead scales with neuron count and is context-dependent, challenging assumptions about neural representation.

Task demands and visual context naturalness modulate gravitational expectation during ocular tracking of temporarily occluded ballistic trajectories

Grip Force Complexity Under Constraint: Evidence from Fractal and Entropy Analyses

This study examines how grip force and load force dynamics change under different task constraints using fractal and entropy analyses, finding increased temporal persistence and local irregularity under constraints.

Striatal visual responses increase prior to visuomotor learning

The paper shows that visual responses in the striatum increase before visuomotor learning, followed by changes in prefrontal cortex and striatum responses during learning.

Decoding Graded Grip-Force Intensity from fMRI Data Reveals a Transformation from Abstract to Effector- and Movement-Specific Codes prior to Execution

The paper decodes grip-force intensity from fMRI data, showing a shift from abstract to effector-specific neural codes before movement execution.

Flexible Working Memory in the Peripheral Nervous System

The paper shows that working memory representations are flexibly distributed between eye and hand movements depending on the task format.

Somatosensory information drives modification of a motor memory

This study shows that somatosensory information alone can modify motor memory, independent of voluntary execution, by using an exoskeleton to replay learned movements.

Temporal shift in task factor influence across the stretch reflex

This study examines how task factors dynamically influence different components of the stretch reflex during a delayed-reach paradigm using multiple linear regression.

Early reaction time variability predicts implicit statistical learning: a comparison of four variability indices

This study shows that early reaction time variability predicts implicit statistical learning, with certain metrics indicating a functional role rather than a deficit.

Fast and slow learning mediated by distinct climbing fiber signals

This study investigates how climbing fiber signals mediate fast and slow learning in mice, finding distinct encoding patterns in different cerebellar regions across learning stages.

Task-Dependent Modulation of Feedback Control in Human Steering

This study shows that human steering behavior adjusts feedback control strategies based on spatial constraints, supporting three predictions about variability and corrective responses in different gate conditions.

Implicit vs. explicit choice promotes the combination vs. selection of sensorimotor memories under contextual uncertainty

This study investigates how implicit vs. explicit context processing affects sensorimotor memory expression under uncertainty, finding that implicit processing leads to belief-weighted combination while explicit processing favors categorical selection.

Logic of brain-wide connections with the cerebellar cortex

The paper maps monosynaptic and disynaptic connectivity of cerebellar lobules LV and LS, revealing segregated inputs and overlapping outputs that support both specialized and integrated functions.

A transient feature of the inferior olive supports thedevelopment of cerebellar internal models

This study shows that self-generated signals during sleep in pre-weanling rats are essential for the development of cerebellar internal models.

A paradigm for skilled forelimb reaching by head-restrained mice

The paper presents a pipeline for head-restrained forelimb reaching in mice, including a pellet-presentation rig, training protocol, and analysis code, and demonstrates its ability to detect phase-dependent features of motor behavior.

Dual-task effects on locomotor savings in aging

This study examines how dual-task conditions affect locomotor savings in young and older adults, finding that initial cognitive load reduces savings more in older adults.