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  Estimation of skeletal kinematics in freely moving rodents

Monsees, A., Voit, K.-M., Wallace, D., Sawinski, J., Charyasz, E., Scheffler, K., et al. (2022). Estimation of skeletal kinematics in freely moving rodents. Nature Methods, 19(11), 1500-1509. doi:10.1038/s41592-022-01634-9.

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https://www.nature.com/articles/s41592-022-01634-9.pdf (Verlagsversion)
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 Urheber:
Monsees, A, Autor
Voit, K-M, Autor
Wallace, DJ, Autor                 
Sawinski, J, Autor                 
Charyasz, E1, Autor                 
Scheffler, K1, Autor                 
Macke, JH, Autor                 
Kerr, JND, Autor                 
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Zusammenfassung: Forming a complete picture of the relationship between neural activity and skeletal kinematics requires quantification of skeletal joint biomechanics during free behavior; however, without detailed knowledge of the underlying skeletal motion, inferring limb kinematics using surface-tracking approaches is difficult, especially for animals where the relationship between the surface and underlying skeleton changes during motion. Here we developed a videography-based method enabling detailed three-dimensional kinematic quantification of an anatomically defined skeleton in untethered freely behaving rats and mice. This skeleton-based model was constrained using anatomical principles and joint motion limits and provided skeletal pose estimates for a range of body sizes, even when limbs were occluded. Model-inferred limb positions and joint kinematics during gait and gap-crossing behaviors were verified by direct measurement of either limb placement or limb kinematics using inertial measurement units. Together we show that complex decision-making behaviors can be accurately reconstructed at the level of skeletal kinematics using our anatomically constrained model.

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Sprache(n): eng - English
 Datum: 2022-102022-11
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1038/s41592-022-01634-9
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Titel: Nature Methods
  Kurztitel : Nat Methods
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: New York, NY : Nature Publishing Group
Seiten: - Band / Heft: 19 (11) Artikelnummer: - Start- / Endseite: 1500 - 1509 Identifikator: ISSN: 1548-7091
CoNE: https://pure.mpg.de/cone/journals/resource/111088195279556