2017
Mechanosensory neurons control the timing of spinal microcircuit selection during locomotion
Knafo S, Fidelin K, Prendergast A, Tseng PB, Parrin A, Dickey C, Böhm UL, Figueiredo SN, Thouvenin O, Pascal-Moussellard H, Wyart C. Mechanosensory neurons control the timing of spinal microcircuit selection during locomotion. ELife 2017, 6: e25260. PMID: 28623664, PMCID: PMC5499942, DOI: 10.7554/elife.25260.Peer-Reviewed Original ResearchConceptsSpinal cordMechanosensory neuronsRohon-Beard neuronsMonosynaptic inputSpinal circuitsMotor poolsCordNeuronsV2a interneuronsVertebrate spinal cordMechanosensory feedbackNumerous physiological studiesSimple locomotionPhysiological studiesActive locomotionLocomotor speedEscape responseInterneuronsZebrafish larvae
2016
Intraspinal Sensory Neurons Provide Powerful Inhibition to Motor Circuits Ensuring Postural Control during Locomotion
Hubbard JM, Böhm UL, Prendergast A, Tseng PB, Newman M, Stokes C, Wyart C. Intraspinal Sensory Neurons Provide Powerful Inhibition to Motor Circuits Ensuring Postural Control during Locomotion. Current Biology 2016, 26: 2841-2853. PMID: 27720623, DOI: 10.1016/j.cub.2016.08.026.Peer-Reviewed Original ResearchConceptsInhibitory postsynaptic currentsCSF-cNsSensory neuronsPostural controlMotor circuitsFast motor neuronsEscape circuitCerebrospinal fluid-contacting neuronsLarge inhibitory postsynaptic currentsGABAergic neuronsPostsynaptic currentsSpinal cordMotor neuronsVivo electrophysiologyRepetitive stimulationSomatic inhibitionSensory interneuronsNeuronsPowerful inhibitionInhibitory feedbackRecent evidenceVertebrate spinal cordMechanosensory responsesInhibitionInterneurons
2015
State-Dependent Modulation of Locomotion by GABAergic Spinal Sensory Neurons
Fidelin K, Djenoune L, Stokes C, Prendergast A, Gomez J, Baradel A, Del Bene F, Wyart C. State-Dependent Modulation of Locomotion by GABAergic Spinal Sensory Neurons. Current Biology 2015, 25: 3035-3047. PMID: 26752076, DOI: 10.1016/j.cub.2015.09.070.Peer-Reviewed Original ResearchConceptsLocomotor central pattern generatorSensory neuronsCerebrospinal fluidCSF-cNsSpinal cordCentral pattern generatorSpinal sensory neuronsActivity of neuronsEntire nervous systemState-dependent modulationGABAergic synapsesSlow locomotionGlutamatergic interneuronsPremotor levelState-dependent mannerNervous systemFunctional connectivityRostrocaudal propagationNeuronsVertebrate spinal cordSelective activationCordEpithelial boundaryActivationFictive preparation