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  Brain size and number of neurons: An exercise in synthetic neuroanatomy.

Braitenberg, V. (2001). Brain size and number of neurons: An exercise in synthetic neuroanatomy. Journal of Computational Neuroscience, 10(1), 71-77. doi:10.1023/A:1008920127052.

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Braitenberg, V1, Autor           
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1Former Department Structure and Function of Natural Nerve-Net, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497803              

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 Zusammenfassung: Certain remarkable invariances have long been known in comparative neuroanatomy, such as the proportionality between neuronal density and the inverse of the cubic root of brain volume or that between the square root of brain weight and the cubic root of body weight. Very likely these quantitative relations reflect some general principles of the architecture of neuronal networks. Under the assumption that most of brain volume is due to fibers, we propose four abstract models: I, constant fiber length per neuron; II, fiber length proportionate to brain diameter; III, complete set of connections between all neurons; IV, complete set of connections between compartments each containing the square root of the total number of neurons. Model I conforms well to the cerebellar cortex. Model II yields the observed comparative invariances between number of neurons and brain size. Model III is totally unrealistic, while Model IV is compatible with the volume of the hemispheric white substance in different mammalian species.

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 Datum: 2001-01
 Publikationsstatus: Erschienen
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Titel: Journal of Computational Neuroscience
Genre der Quelle: Zeitschrift
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Seiten: - Band / Heft: 10 (1) Artikelnummer: - Start- / Endseite: 71 - 77 Identifikator: -