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Relative contribution of lateral vestibular neuron and abducens internuclear neuron inputs to the discharge activity of medial rectus motoneurons
dc.creator | García Hernández, Rosendo Miguel | es |
dc.creator | Benítez Temiño, Beatriz | es |
dc.creator | Rodríguez de la Cruz, Rosa María | es |
dc.creator | Pastor Loro, Ángel Manuel | es |
dc.date.accessioned | 2024-01-23T11:41:18Z | |
dc.date.available | 2024-01-23T11:41:18Z | |
dc.date.issued | 2023 | |
dc.identifier.citation | García Hernández, R.M., Benítez Temiño, B., Rodríguez de la Cruz, R.M. y Pastor Loro, Á.M. (2023). Relative contribution of lateral vestibular neuron and abducens internuclear neuron inputs to the discharge activity of medial rectus motoneurons. Brain Structure and Function. https://doi.org/10.1007/s00429-023-02736-6. | |
dc.identifier.issn | 1863-2661 | es |
dc.identifier.uri | https://hdl.handle.net/11441/153823 | |
dc.description.abstract | Medial rectus motoneurons mediate nasally directed horizontal eye movements. These motoneurons receive two major excitatory inputs, from the abducens internuclear neurons (ABD Ints) and neurons of the lateral vestibular nucleus whose axons course through the ascending tract of Deiters (ATD). In the present work, we have recorded in the alert chronic cat preparation the discharge activity of these two premotor neurons simultaneously with eye movements, to discern their relative contribution to the firing pattern of medial rectus motoneurons. ABD Int discharge was accurately correlated with eye movements, displaying high sensitivities to eye position and eye velocity. ATD neurons also discharged in relation to spontaneous and vestibular eye movements but showed significantly lower eye position and eye velocity sensitivities. Outstandingly, ATD neurons presented a significantly lower eye position threshold for recruitment compared to both ABD Ints and medial rectus motoneurons. Therefore, ATD neurons exhibited eye position and velocity signals during spontaneous and vestibular eye movements, which were of lower magnitude than those of ABD Ints, but due to their low recruitment threshold, they could play a significant role in facilitating ABD Int signal transmission onto medial rectus motoneurons. | es |
dc.description.sponsorship | MCIN/AEI/FEDER PID2021-124300NB-I00 | es |
dc.description.sponsorship | Consejería de Transformación Económica Industria y Conocimiento, Junta de Andalucía-FEDER P20_00529 | es |
dc.format | application/pdf | es |
dc.format.extent | 12 p. | es |
dc.language.iso | eng | es |
dc.publisher | Springer | es |
dc.relation.ispartof | Brain Structure and Function. | |
dc.title | Relative contribution of lateral vestibular neuron and abducens internuclear neuron inputs to the discharge activity of medial rectus motoneurons | es |
dc.type | info:eu-repo/semantics/article | es |
dc.type.version | info:eu-repo/semantics/acceptedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Fisiología | es |
dc.relation.projectID | PID2021-124300NB-I00 | es |
dc.relation.projectID | P20_00529 | es |
dc.relation.publisherversion | https://dx.doi.org/10.1007/s00429-023-02736-6 | es |
dc.identifier.doi | 10.1007/s00429-023-02736-6 | es |
dc.journaltitle | Brain Structure and Function | es |
dc.contributor.funder | Ministerio de Ciencia e Innovación (MICIN). España | es |
dc.contributor.funder | Agencia Estatal de Investigación. España | es |
dc.contributor.funder | European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) | es |
dc.contributor.funder | Junta de Andalucía | es |
Ficheros | Tamaño | Formato | Ver | Descripción |
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Deiters FINAL with figures.pdf | 1.292Mb | [PDF] | Ver/ | Versión aceptada |
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