biostudies-literatureUnknown533(10)Gutjahr RUniversity of GrazIn the pallium of mammals and reptiles, layered neuronal organizations appear as a key feature to facilitate neuronal processing. Such layered organizations allow to segregate inputs and information processing into different neuronal compartments and are used in a variety of tasks, including multisensory integration and the formation/retrieval of memories. Although teleost fishes also need to process multisensory information and form memories, their pallium generally does not contain any layered structures. Instead, neurons appear to be organized into nuclei with loosely arranged cells. One exception to this general principle can be found in gobiiform fishes: Their caudo-dorsal telencephalon is, in part, marked by neurons, which are organized into several soma-dense and fiber-rich subregioThe Journal of comparative neurologye70097https://www.ebi.ac.uk/biostudies/studies/S-EPMC12528548biostudies-literatureImmunohistochemical Profile of a Conspicuously Organized Structure in the Dorsal Forebrain of the Peacock Gudgeon, Tateurndina ocellicauda.PMC12528548Gutjahr RBothe MSChagnaud BPfalseImmunohistochemical Profile of a Conspicuously Organized Structure in the Dorsal Forebrain of the Peacock Gudgeon, Tateurndina ocellicauda.In the pallium of mammals and reptiles, layered neuronal organizations appear as a key feature to facilitate neuronal processing. Such layered organizations allow to segregate inputs and information processing into different neuronal compartments and are used in a variety of tasks, including multisensory integration and the formation/retrieval of memories. Although teleost fishes also need to process multisensory information and form memories, their pallium generally does not contain any layered structures. Instead, neurons appear to be organized into nuclei with loosely arranged cells. One exception to this general principle can be found in gobiiform fishes: Their caudo-dorsal telencephalon is, in part, marked by neurons, which are organized into several soma-dense and fiber-rich subregio2025-01-01T00:00:00Z2025 Oct2026-07-15T14:37:23.635Z2026-07-06T03:08:45.148ZS-EPMC125285484109465910.1002/cne.70097