Decoding the organization of spinal circuits that control locomotion

O Kiehn - Nature Reviews Neuroscience, 2016 - nature.com
Unravelling the functional operation of neuronal networks and linking cellular activity to
specific behavioural outcomes are among the biggest challenges in neuroscience. In this …

Integration of feedforward and feedback control in the neuromechanics of vertebrate locomotion: a review of experimental, simulation and robotic studies

AJ Ijspeert, MA Daley - Journal of Experimental Biology, 2023 - journals.biologists.com
Animal locomotion is the result of complex and multi-layered interactions between the
nervous system, the musculo-skeletal system and the environment. Decoding the underlying …

Movement is governed by rotational neural dynamics in spinal motor networks

H Lindén, PC Petersen, M Vestergaard, RW Berg - Nature, 2022 - nature.com
Although the generation of movements is a fundamental function of the nervous system, the
underlying neural principles remain unclear. As flexor and extensor muscle activities …

Human spinal locomotor control is based on flexibly organized burst generators

SM Danner, US Hofstoetter, B Freundl, H Binder… - Brain, 2015 - academic.oup.com
Constant drive provided to the human lumbar spinal cord by epidural electrical stimulation
can cause local neural circuits to generate rhythmic motor outputs to lower limb muscles in …

[HTML][HTML] Computational modeling of spinal circuits controlling limb coordination and gaits in quadrupeds

SM Danner, NA Shevtsova, A Frigon, IA Rybak - Elife, 2017 - elifesciences.org
Interactions between cervical and lumbar spinal circuits are mediated by long propriospinal
neurons (LPNs). Ablation of descending LPNs in mice disturbs left-right coordination at high …

Organization of the mammalian locomotor CPG: review of computational model and circuit architectures based on genetically identified spinal interneurons

IA Rybak, KJ Dougherty, NA Shevtsova - ENeuro, 2015 - eneuro.org
The organization of neural circuits that form the locomotor central pattern generator (CPG)
and provide flexor–extensor and left–right coordination of neuronal activity remains largely …

Central control of interlimb coordination and speed‐dependent gait expression in quadrupeds

SM Danner, SD Wilshin, NA Shevtsova… - The Journal of …, 2016 - Wiley Online Library
Key points Quadrupeds express different gaits depending on speed of locomotion. Central
pattern generators (one per limb) within the spinal cord generate locomotor oscillations and …

Optogenetic dissection reveals multiple rhythmogenic modules underlying locomotion

M Hägglund, KJ Dougherty, L Borgius… - Proceedings of the …, 2013 - National Acad Sciences
Neural networks in the spinal cord known as central pattern generators produce the
sequential activation of muscles needed for locomotion. The overall locomotor network …

[HTML][HTML] Sub-populations of spinal V3 interneurons form focal modules of layered pre-motor microcircuits

JW Chopek, F Nascimento, M Beato, RM Brownstone… - Cell reports, 2018 - cell.com
Layering of neural circuits facilitates the separation of neurons with high spatial sensitivity
from those that play integrative temporal roles. Although anatomical layers are readily …

Distinguishing subtypes of spinal locomotor neurons to inform circuit function and dysfunction

KJ Dougherty - Current Opinion in Neurobiology, 2023 - Elsevier
Locomotion is a complex motor task executed by spinal neurons. Given the diversity of
spinal cord neurons, linking neuronal cell type to function is a challenge. Molecular …