Motor Control and Adaptation

Interaction between Model-based and Model-free Mechanisms in Motor Learning

This study shows that initial engagement of model-free or model-based mechanisms in motor learning biases subsequent adaptations, even when task demands change.

Savings in visuomotor learning is associated with connectivity changes within a cerebello-thalamo-cortical network encoding movement errors

The paper investigates how connectivity changes in a cerebello-thalamo-cortical network during re-adaptation relate to visuomotor learning savings.

Sensorimotor adaptation of vocal pitch is severely impaired in cerebellar ataxia

This study shows that individuals with cerebellar ataxia fail to adapt vocal pitch to external perturbations, suggesting a critical cerebellar role in pitch control, but not in online compensation.

Differential kinematic control and co-ordination among redundant joints during whole arm reaching movements

This study investigates how the central nervous system controls redundant joints during arm reaching, finding that proximal joints control task space while distal joints manage joint redundancy.

Developmental Reorganization of Whole-Body Muscle Synergies During Overarm Throwing in Children

This study examines how muscle synergies reorganize during overarm throwing in children, finding that performance improvements come from structural and temporal reorganization rather than increased synergy number.

Cerebellar outputs for rapid directional refinement of forelimb movement

This study identifies two cerebellar populations in mice that drive forelimb movement toward or away from the body, revealing a subcortical circuit basis for directional refinement during movement.

Interference between flexible and adaptive reaching control

The paper investigates how flexible control and motor adaptation interact during movement, finding that concurrent perturbations reduce target redundancy exploitation and motor adaptation.

The olivocerebellar system differentially encodes the effect sensory events exert on behavior

The paper investigates how inferior olive neurons encode sensory events' effects on behavior in mice during motor tasks, finding that some neurons provide informative signals about behavioral consequences.

Age-related Reorganization of Corticomuscular Connectivity During Locomotor Perturbations

This study examines age-related changes in corticomuscular connectivity during locomotor perturbations, finding older adults use less flexible, more diffuse connectivity patterns compared to young adults.

Passive Dynamics Constrain Human Balancing in a Physical Linear-Rail Cart-Pendulum Task

The paper examines how passive dynamics affect human balancing in a physical cart-pendulum task, finding that faster dynamics lead to shorter balance durations.

A neural geometry for forelimb proprioception in the cervical spinal cord

The paper shows that cervical spinal cord neurons use muscle and tendon afferents to create a low-dimensional neural code representing forelimb movement state.

Flexible, task-dependent bimanual coordination along movement direction and extent

The paper investigates how bimanual coordination adapts to changes in movement direction and extent, showing task-dependent adjustments in arm variability.

Default mode and motor networks facilitate early learning of implicit motor sequences: a multimodal MR spectroscopy and fMRI study

This study investigates implicit motor sequence learning using multimodal neuroimaging, showing early learning links to default mode network connectivity and motor network connectivity for sustained learning.

Decoding continuous goal-directed movement from human brain-wide intracranial recordings.

This study decodes continuous goal-directed movement from brain-wide intracranial recordings using PSID, showing widespread neural correlates across multiple brain regions.

Cortex-Wide Substrates for Body Schema and Action Awareness

This study identifies how the cortex encodes body schema through action-specific neural ensembles and reference frames in mice.

Spinal dI3 neurons are involved in sustained motor adaptation elicited by low-threshold cutaneous afferents

The paper shows that spinal dI3 neurons are essential for motor adaptation driven by low-threshold cutaneous afferents in spinalized mice.

Dynamic and context-dependent modulation of proprioceptive input in primate primary motor cortex

The paper shows that proprioceptive input to primate primary motor cortex is generally gated during movement but specific antagonist muscle signals are preserved to support posture control.

Implicit processes do not contribute to learning to reach in small mirror reversed environments

This study shows that implicit learning does not occur in small mirror reversal tasks, unlike in visuomotor rotation tasks.

Pattern separation in cerebellar-targeted whisking pre-motor nuclei

This study investigates how different pre-motor nuclei modulate whisker movement in mice by optogenetically stimulating specific brain regions and analyzing kinematic changes.

Encoding of motor sequences in primate globus pallidus and motor cortex: Uniform preference for ordinal position

This study shows that neurons in primate globus pallidus and motor cortex encode ordinal position across motor sequences rather than just sequence boundaries.

A comparison of movement-related neuronal activities in cerebellar- and basal ganglia-recipient regions of the macaque thalamus

The paper compares movement-related neuronal activity in cerebellar- and basal ganglia-recipient regions of the macaque thalamus, finding distinct temporal and directional encoding patterns.

Distinct Implicit Contributions to Action Selection and Action Execution in Sensorimotor Adaptation

This paper identifies two distinct implicit processes in sensorimotor adaptation: implicit recalibration for action execution and implicit aiming for action selection, showing different temporal stability and contextual modulation.

Sequence action representations contextualize during early skill learning

The paper shows that neural representations of actions in motor skills differentiate during early learning, particularly offline, and shift brain regions involved as skill improves.

A shared neural architecture underlies finger movement encoding in the human sensorimotor cortex

The paper shows a shared neural architecture for finger movement encoding in the human sensorimotor cortex across individuals using fMRI and Procrustean transformation.

Multitasking Recurrent Networks Utilize Compositional Strategies for Control of Movement

This study trains a multitasking RNN with a musculoskeletal arm model to perform diverse movements, revealing compositional strategies and shared low-dimensional representations for flexible movement generation.

Saturation, Task Error, and Feedback Timing Shape Early Implicit Adaptation

This study investigates how error magnitude and feedback timing influence early implicit motor adaptation using a single-trial learning paradigm.

Motor cortex flexibly deploys a high-dimensional repertoire of subskills

This study shows that motor cortex activity is high-dimensional and flexible, with distinct neural dynamics for different subskills during a force-tracking task.

Differential Effects of Inducible Cerebellar Granule Cell and Purkinje Cell Ablation on Motor Coordination and Motor Learning in Adult Mice

This study compares the effects of selective cerebellar granule cell and Purkinje cell ablation on motor coordination and learning in adult mice, finding that GCs are more critical for motor learning.

Compositional neural dynamics during reaching

This study investigates neural population dynamics in motor cortex during reaching, revealing a compositional structure that enables posture-dependent control.

Environmental Consistency, Not Certainty, Governs Predictive Motor Strategies During Walking

The paper shows that consistency, not certainty, drives predictive motor strategies during walking, with participants adapting more when trials were consistent.