Abstract
The dorsal cochlear nucleus (DCN) is a complex but elegantly organized division of the cochlear nucleus. Lorente de Nó (’81) recognized that the cortex of the nucleus (layers 1 and 2) bore a remarkable resemblance to the cerebellum, in both the structural characteristics of the cells and their organization. The chief organization of the nucleus is based on a concentric laminar arrangement of cells, their dendrites, and fiber systems, somewhat like a single cerebellar folium. A local cartesian framework can be imposed on the nucleus, where the principal axes are depth (perpendicular to the local surface), the striai axis (parallel to the long axis of the nucleus and to the unmyelinated parallel fibers in the molecular layer), and the transstriai axis (parallel to the isofrequency planes formed by the auditory nerve fibers). Subsequent anatomical studies have exposed further similarities between the outer layers of the DCN and the cerebellum. Although the two structures serve different functions, the common ontogenetic origins and parallel expression of proteins in corresponding cell types (Mugnaini and Morgan,’ 87; Mugnaini et al.,’ 87; Berrebi and Mugnaini, this volume; Berrebi et al.,’ 90) suggests that the two structures share some mechanisms of information processing.
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Manis, P.B., Scott, J.C., Spirou, G.A. (1993). Physiology of the Dorsal Cochlear Nucleus Molecular Layer. In: Merchán, M.A., Juiz, J.M., Godfrey, D.A., Mugnaini, E. (eds) The Mammalian Cochlear Nuclei. NATO ASI series, vol 239. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2932-3_28
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DOI: https://doi.org/10.1007/978-1-4615-2932-3_28
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