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Aspects on the Integrative Capabilities of the Central Nervous System: Evidence for ‘Volume Transmission’ and its Possible Relevance for Receptor-Receptor Interactions

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Part of the book series: Wenner-Gren Center International Symposium Series ((WGS))

Abstract

The hypothesis is introduced that the central nervous system (CNS) is endowed with the capability of handling information, not only based on the topological organization of its elements and the patterns of impulse flow along the neural networks (wiring transmission), but also based on the electrotonic currents and the spread of humoral signals in the extracellular fluid (volume transmission), which, in turn, man affect the computing characteristics of the neural networks themselves (Agnati et al. 1986b). Thus, in the CNS we can also recognize interactions, and therefore integrative aspects, at various hierarchical levels and at different degrees of miniaturization, and between the two types of information handlings. One example, at a high hierarchical level and a low degree of miniaturization, may be represented by the above mentioned interactions between the volume transmission and the wiring transmission at the network level, while another example, at a low hierarchical level and a high degree of miniaturization, may be represented by the receptor-receptor interactions, i.e., by the integration at membrane level of the inputs arriving through different transmission lines.

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© 1987 The Wenner-Gren Center

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Agnati, L.F. et al. (1987). Aspects on the Integrative Capabilities of the Central Nervous System: Evidence for ‘Volume Transmission’ and its Possible Relevance for Receptor-Receptor Interactions. In: Fuxe, K., Agnati, L.F. (eds) Receptor-Receptor Interactions. Wenner-Gren Center International Symposium Series. Palgrave Macmillan, London. https://doi.org/10.1007/978-1-349-08949-9_19

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