Dissecting motor skill acquisition: Spatial coordinates take precedence

P Maceira-Elvira, JE Timmermann, T Popa… - Science …, 2022 - science.org
Practicing a previously unknown motor sequence often leads to the consolidation of motor
chunks, which enable its accurate execution at increasing speeds. Recent imaging studies …

Rotational dynamics in motor cortex are consistent with a feedback controller

HT Kalidindi, KP Cross, TP Lillicrap, M Omrani… - Elife, 2021 - elifesciences.org
Recent studies have identified rotational dynamics in motor cortex (MC), which many
assume arise from intrinsic connections in MC. However, behavioral and neurophysiological …

Small, correlated changes in synaptic connectivity may facilitate rapid motor learning

B Feulner, MG Perich, RH Chowdhury, LE Miller… - Nature …, 2022 - nature.com
Animals rapidly adapt their movements to external perturbations, a process paralleled by
changes in neural activity in the motor cortex. Experimental studies suggest that these …

Continuous tracking of task parameters tunes reaching control online

A De Comite, F Crevecoeur, P Lefèvre - eneuro, 2022 - eneuro.org
A hallmark of human reaching movements is that they are appropriately tuned to the task
goal and to the environmental context. This was demonstrated by the way humans flexibly …

A Sensory-Motor Theory of the Neocortex based on Active Predictive Coding

RPN Rao - bioRxiv, 2022 - biorxiv.org
We propose that the neocortex implements active predictive coding (APC), a form of
predictive coding that incorporates hierarchical dynamics and actions. In this model, each …

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

B Feulner, MG Perich, LE Miller, C Clopath, JA Gallego - bioRxiv, 2022 - biorxiv.org
Animals use afferent feedback to rapidly correct ongoing movements in the presence of a
perturbation. Repeated exposure to a predictable perturbation leads to behavioural …

Proprioceptive and visual feedback responses in macaques exploit goal redundancy

KP Cross, H Guang, SH Scott - Journal of Neuroscience, 2023 - Soc Neuroscience
A common problem in motor control concerns how to generate patterns of muscle activity
when there are redundant solutions to attain a behavioral goal. Optimal feedback control is a …

Feedback control of recurrent dynamics constrains learning timescales during motor adaptation

H Gurnani, W Liu, BW Brunton - bioRxiv, 2024 - biorxiv.org
Latent dynamical models of the primary motor cortex (M1) have revealed fundamental
neural computations underlying motor control; however, such models often overlook the …

Dissociable effects of urgency and evidence accumulation during reaching revealed by dynamic multisensory integration

AH Hoffmann, F Crevecoeur - eneuro, 2024 - eneuro.org
When making perceptual decisions, humans combine information across sensory modalities
dependent on their respective uncertainties. However, it remains unknown how the brain …

Small, correlated changes in synaptic connectivity may facilitate rapid motor learning

B Feulner, MG Perich, RH Chowdhury, LE Miller… - bioRxiv, 2021 - biorxiv.org
Animals can rapidly adapt their movements to external perturbations. This adaptation is
paralleled by changes in single neuron activity in the motor cortices. Behavioural and neural …