Understanding the basic circuitry of the cerebral hemispheres: the case of lizards and its implications in the evolution of the telencephalon
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Scholar |
Otros documentos de la autoría: Lanuza, Enrique; Novejarque, Amparo; Moncho Bogani, José; Hernández Martínez, Adoración; Martinez-Garcia, Fernando
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
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http://dx.doi.org/10.1016/S0361-9230(01)00710-9 |
Metadatos
Título
Understanding the basic circuitry of the cerebral hemispheres: the case of lizards and its implications in the evolution of the telencephalonAutoría
Fecha de publicación
2002-02Editor
ElsevierISSN
0361-9230Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S0361923001007109Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
The organization of the cerebral hemispheres of mammals is characterized by corticostriatal glutamatergic projections and striatopallidal GABAergic ones, plus the descending projections of the pallium and subpallium ... [+]
The organization of the cerebral hemispheres of mammals is characterized by corticostriatal glutamatergic projections and striatopallidal GABAergic ones, plus the descending projections of the pallium and subpallium to extratelencephalic targets. The present review of the available neuroanatomical data on the forebrain of lizards suggests that the telencephalon of reptiles also follows this basic pattern of connectivity. In addition, we show that this basic circuitry includes a pallido-cortical projection, therefore forming a cortico-striato-pallido-cortical circuit. The analysis of this circuitry for the medial, dorsal, lateral, and ventral pallial divisions in reptiles and mammals leads to the following conclusions: (1) The medial and dorsal cortices of lizards together appear to be equivalent to the medial pallium of mammals. (2) The projection from the lacertilian dorsal cortex to the striatum proper resembles the subiculo-striatal projection of mammals, rather than the isocortical projection to the caudatus-putamen. (3) Most of the dorsal striatum of reptiles is engaged in the corticostriatal circuit corresponding to the ventral pallium (the anterior dorsal ventricular ridge), and therefore, it is not equivalent to the mammalian caudatus-putamen, which is involved in the circuit of the dorsal pallium. (4) The main and accessory olfactory bulbs also follow this pattern of connections. [-]
Publicado en
Brain Research Bulletin, v. 57, n. 3–4Derechos de acceso
Copyright © 2002 Elsevier Science Inc. All rights reserved
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- MED_Articles [673]