The DOI matches its Crossref record; 42 of the 43 references it cites were found in a registry or an index.
Phenotypic Characterization of Speed-Associated Gait Changes in Mice Reveals Modular Organization of Locomotor Networks
Open accessAbstract
Studies of locomotion in mice suggest that circuits controlling the alternating between left and right limbs may have a modular organization with distinct locomotor circuits being recruited at different speeds. It is not clear, however, whether such a modular organization reflects specific behavioral outcomes expressed at different speeds of locomotion. Here, we use detailed kinematic analyses to search for signatures of a modular organization of locomotor circuits in intact and genetically modified mice moving at different speeds of locomotion. We show that wild-type mice display three distinct gaits: two alternating, walk and trot, and one synchronous, bound. Each gait is expressed in distinct ranges of speed with phenotypic inter-limb and intra-limb coordination. A fourth gait, gallop, closely resembled bound in most of the locomotor parameters but expressed diverse inter-limb coordination. Genetic ablation of commissural V0V neurons completely removed the expression of one alternating gait, trot, but left intact walk, gallop, and bound. Ablation of commissural V0V and V0D neurons led to a loss of walk, trot, and gallop, leaving bound as the default gait. Our study provides a benchmark for studies of the neuronal control of locomotion in the full range of speeds. It provides evidence that gait expression depends upon selection of different modules of neuronal ensembles.
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“The characteristic coordinated sequence of diagonal LH-RF and RH-LF strides observed corresponds to trotting, the natural gait that mice produce (37) to accommodate speeds faster than 20 cm/s.”
From Neural correlates of perceptual decision-making in the primary somatosensory cortex (2026) · cites this paper as [37]
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Citations
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Metadata
- Authors
- Bellardita, C., & Kiehn, O.
- Affiliations
- Karolinska Institutet (SE)
- Corresponding author
- Kiehn, Ole
- Venue
- Current Biology
- Publisher
- Elsevier BV
- Published
- 2015-06
- Volume
- 25
- Issue
- 11
- Pages
- 1426-1436
- ISSN
- 0960-9822 (ISSN-L)
- PMC
- PMC4469368
- OpenAlex
- W1859836772
- Cited by
- 263
- References
- 43
- Citations by year
- 2026: 23 · 2025: 23 · 2024: 35 · 2023: 27 · 2022: 22 · 2021: 23 · 2020: 22 · 2019: 25 · 2018: 26 · 2017: 17 · 2016: 16 · 2015: 4
- FWCI
- 12.62
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Current Biology (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- Vetenskapsrådet
- National Institute of Neurological Disorders and Stroke (R01NS090919)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
- Physical Sciences › Engineering › Control and Systems Engineering › Robotic Locomotion and Control
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
- Keywords
- locomotor circuits, gait, locomotion speed, interlimb coordination, modular organization, gait kinematics, walks, trotting, gallop, neuronal ensembles
- MeSH terms
- Animals, Biomechanical Phenomena, Extremities, Female, Gait, Locomotion, Mice, Central Pattern Generators
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