2011
DOI: 10.1152/jn.00258.2011
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Population spatiotemporal dynamics of spinal intermediate zone interneurons during air-stepping in adult spinal cats

Abstract: The lumbar spinal cord circuitry can autonomously generate locomotion, but it remains to be determined which types of neurons constitute the locomotor generator and how their population activity is organized spatially in the mammalian spinal cord. In this study, we investigated the spatiotemporal dynamics of the spinal interneuronal population activity in the intermediate zone of the adult mammalian cord. Segmental interneuronal population activity was examined via multiunit activity (MUA) during air-stepping … Show more

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Cited by 16 publications
(18 citation statements)
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“…The effect of methoxamine administration on each dependent variable was determined using separate linear mixed models. Independent variables in the model included drug (administered/not administered) and animal (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20). Drug was included in the model as a fixed, repeated factor, and animal was included as a random factor with a random intercept and random slope over the effect of drug.…”
Section: Discussionmentioning
confidence: 99%
“…The effect of methoxamine administration on each dependent variable was determined using separate linear mixed models. Independent variables in the model included drug (administered/not administered) and animal (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20). Drug was included in the model as a fixed, repeated factor, and animal was included as a random factor with a random intercept and random slope over the effect of drug.…”
Section: Discussionmentioning
confidence: 99%
“…Rotational dynamics has been observed in the motor cortex and elsewhere [9][10][11] , but it has not been described for spinal circuits previously. Nevertheless, indications can be found as wide phase-distributions in the scarce literature on spinal population recordings 6,[12][13][14] . Fig.…”
Section: Rotation In Spinal Motor Circuitsmentioning
confidence: 99%
“…; Auyong et al. ), evidence for its existence has been observed in frogs (Saltiel et al. ), rodents (Cazalets ), and cats (Cuellar et al.…”
Section: Introductionmentioning
confidence: 98%