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Título
All the way from the cortex: a review of auditory corticosubcollicular pathways
Autor(es)
Materia
Auditory cortex
Nucleus sagulum
Superior olivary complex
Olivocochlear
Cochlear nucleus
Cochlea
Clasificación UNESCO
2410.09 Neuroanatomía Humana
2411.13 Fisiología de la Audición
Fecha de publicación
2015-07-04
Editor
Springer
Citación
Saldaña, E. (2015). All the way from the cortex: a review of auditory corticosubcollicular pathways. The Cerebellum, 14, 584-596. doi:10.1007/s12311-015-0694-4
Resumen
[EN]Enrico Mugnaini has devoted part of his long and fruitful neuroscientific career to investigating the structural similarities between the cerebellar cortex and one of the first relay stations of the mammalian auditory pathway: the dorsal cochlear nucleus. The hypothesis of the cerebellar-like nature of the superficial layers of the dorsal cochlear nucleus received definitive support with the discovery and extensive characterization in his laboratory of unipolar brush cells, a neuron type unique to certain regions of the cerebellar cortex and to the granule cell domains of the cochlear nuclei. Paradoxically, a different line of research carried out in his laboratory revealed that, unlike the mammalian cerebellar cortex, the dorsal cochlear nucleus receives direct projections from the cerebral cortex, a fact that constitutes one of the main differences between the cerebellum and the dorsal cochlear nucleus. In an article published in 1995, Mugnaini's group described in detail the novel direct projections from the rat auditory neocortex to various subcollicular auditory centers, including the nucleus sagulum, the paralemniscal regions, the superior olivary complex, and the cochlear nuclei (Feliciano et al., Auditory Neuroscience 1995; 1:287-308). This review gives Enrico Mugnaini credit for his seminal contribution to the knowledge of auditory corticosubcollicular projections and summarizes how this growing field has evolved in the last 20 years.
URI
ISSN
1473-4222
DOI
10.1007/s12311-015-0694-4
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