Neuromodulation and flexibility in central pattern generator networks

RM Harris-Warrick - Current opinion in neurobiology, 2011 - Elsevier
Central Pattern Generator (CPG) networks, which organize rhythmic movements, have long
served as models for neural network organization. Modulatory inputs are essential …

Spinal control of locomotion: individual neurons, their circuits and functions

MP Côté, LM Murray, M Knikou - Frontiers in physiology, 2018 - frontiersin.org
Systematic research on the physiological and anatomical characteristics of spinal cord
interneurons along with their functional output has evolved for more than one century …

Locomotor rhythm generation linked to the output of spinal shox2 excitatory interneurons

KJ Dougherty, L Zagoraiou, D Satoh, I Rozani… - Neuron, 2013 - cell.com
Locomotion is controlled by spinal networks that generate rhythm and coordinate left-right
and flexor-extensor patterning. Defined populations of spinal interneurons have been linked …

Neuronal activity in the isolated mouse spinal cord during spontaneous deletions in fictive locomotion: insights into locomotor central pattern generator organization

G Zhong, NA Shevtsova, IA Rybak… - The Journal of …, 2012 - Wiley Online Library
Key points• The organization of the spinal circuitry responsible for the generation of
locomotor rhythm and control of locomotion in mammals is largely unknown, though several …

Electrophysiological characterization of V2a interneurons and their locomotor-related activity in the neonatal mouse spinal cord

G Zhong, S Droho, SA Crone, S Dietz… - Journal of …, 2010 - Soc Neuroscience
The V2a class of Chx10-expressing interneurons has been implicated in frequency-
dependent control of left–right phase during locomotion in the mouse. We have used the …

The persistent sodium current generates pacemaker activities in the central pattern generator for locomotion and regulates the locomotor rhythm

S Tazerart, L Vinay, F Brocard - Journal of Neuroscience, 2008 - Soc Neuroscience
Rhythm generation in neuronal networks relies on synaptic interactions and pacemaker
properties. Little is known about the contribution of the latter mechanisms to the integrated …

Functional subpopulations of V3 interneurons in the mature mouse spinal cord

J Borowska, CT Jones, H Zhang… - Journal of …, 2013 - Soc Neuroscience
V3 interneurons (INs) are a major group of excitatory commissural interneurons in the spinal
cord, and they are essential for producing a stable and robust locomotor rhythm. V3 INs are …

Firing and cellular properties of V2a interneurons in the rodent spinal cord

KJ Dougherty, O Kiehn - Journal of Neuroscience, 2010 - Soc Neuroscience
Previous studies have shown that a group of ventrally located neurons, designated V2a
interneurons, play a key role in maintaining locomotor rhythmicity and in ensuring …

Neuromodulation of vertebrate locomotor control networks

GB Miles, KT Sillar - Physiology, 2011 - journals.physiology.org
Vertebrate locomotion must be adaptable in light of changing environmental, organismal,
and developmental demands. Much of the underlying flexibility in the output of central …

Changes in motoneuron properties and synaptic inputs related to step training after spinal cord transection in rats

JC Petruska, RM Ichiyama, DL Jindrich… - Journal of …, 2007 - Soc Neuroscience
Although recovery from spinal cord injury is generally meager, evidence suggests that step
training can improve stepping performance, particularly after neonatal spinal injury. The …