Contributors

Auclair, François; Benavides, Francisco; Berg, Rune W.; Bretzner, Frédéric; Büschges, Ansgar; Chang, Stephano J.; Combes, Denis; Deng, Lan; Dubuc, Réjean; Dumitrescu, Adna S.; Fidelin, Kevin; Frigon, Alain; Gruhn, Matthias; Guest, James D.; Harreguy, Maria B; Haspel, Gal; Lemieux, Maxime; Li, Wenchang; Mesce, Karen A.; Newhoff, Morgan; Noga, Brian R.; Opriş, Ioan; Pearcey, Gregory E. P.; Robertson, R. Meldrum; Roussel, M.; Sánchez, Francisco José Lobo; Santamaría, Andrea J.; Saraiva, Pedro M.; Sharples, Simon A.; Sillar, Keith T.; Simmers, John; Solano, J.P.; Tanvir, Zainab; Thiry, Louise; Villamil, Luz M.; Wenner, Peter; Whelan, Patrick J.; Wyart, Claire; Zehr, E. Paul

doi:10.1016/b978-0-12-816477-8.09989-0

Cited by 1 publication

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“…Across species and evolutionary time, they have transitioned from axial-based swimming to limb-based locomotion. Between species, they have uniquely adapted their movement repertoires to their environment, physiological needs, and mode of locomotion ( Figure 1A ; Hill et al, 2016 ; Sillar et al, 2016 ; Auclair et al, 2020 ). Fish, for example, rely on precise and alternating contraction of segments along the rostrocaudal axis to generate slow, undulatory swimming.…”

Section: Introductionmentioning

confidence: 99%

Spinal cords: Symphonies of interneurons across species

Wilson

Sweeney

2023

Front. Neural Circuits

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Vertebrate movement is orchestrated by spinal inter- and motor neurons that, together with sensory and cognitive input, produce dynamic motor behaviors. These behaviors vary from the simple undulatory swimming of fish and larval aquatic species to the highly coordinated running, reaching and grasping of mice, humans and other mammals. This variation raises the fundamental question of how spinal circuits have changed in register with motor behavior. In simple, undulatory fish, exemplified by the lamprey, two broad classes of interneurons shape motor neuron output: ipsilateral-projecting excitatory neurons, and commissural-projecting inhibitory neurons. An additional class of ipsilateral inhibitory neurons is required to generate escape swim behavior in larval zebrafish and tadpoles. In limbed vertebrates, a more complex spinal neuron composition is observed. In this review, we provide evidence that movement elaboration correlates with an increase and specialization of these three basic interneuron types into molecularly, anatomically, and functionally distinct subpopulations. We summarize recent work linking neuron types to movement-pattern generation across fish, amphibians, reptiles, birds and mammals.

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Section: Introductionmentioning

confidence: 99%