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  Prenatal formation of synapses and dendritic spines in Guinea-pig cortex and their postnatal changes

Schüz, A. (1981). Prenatal formation of synapses and dendritic spines in Guinea-pig cortex and their postnatal changes. In G. Székely, E. Lábos, & S. Damjanovich (Eds.), Neural Communication and Control (pp. 279-285). Pergamon Press: Oxford, UK.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-F0EE-3 Version Permalink: https://hdl.handle.net/21.11116/0000-0002-094A-2
Genre: Conference Paper

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https://www.sciencedirect.com/science/article/pii/B9780080273518500251 (Publisher version)
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 Creators:
Schüz, A1, 2, Author           
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              
2Former Department Structure and Function of Natural Nerve-Net , Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497803              

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 Abstract: This chapter discusses the prenatal formation of synapses and dendritic spines in guinea-pig cortex and their postnatal changes. Electrophysiologically it has been shown that the responses of cortical neurons to sensory stimuli can be altered after exposure to abnormal environment. The chapter discusses the extent to which neuronal contacts appearing as synaptic specializations on electromicrographs or as dendritic spines in Golgi preparations are already present in the newborn guinea pig before environment can make its influence felt through sense organs. In adult animals, synapses with very prominent postsynaptic thickening are frequently seen and distinction between symmetrical and asymmetrical synapses is more difficult in prenatal animals. The dendritic spines in prenatal animals have a more delicate appearance. The chapter also explains that another postnatal change in the cortex of the guinea pig shows an increase in the number of myelineated fibers. The cortical nerve cells are interconnected by a process of growth and that learning processes only modulate the strength of the connections.

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 Dates: 1981
 Publication Status: Issued
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.1016/B978-0-08-027351-8.50025-1
BibTex Citekey: 1773
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Title: Satellite Symposium of the 28th International Congress of Physiological Science
Place of Event: Debrecen, Hungary
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Title: Neural Communication and Control
Source Genre: Proceedings
 Creator(s):
Székely, Gy, Editor
Lábos, E, Editor
Damjanovich, S, Editor
Affiliations:
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Publ. Info: Pergamon Press : Oxford, UK
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 279 - 285 Identifier: ISBN: 0-08-027351-3

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Title: Advances in physiological sciences
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Pages: - Volume / Issue: 30 Sequence Number: - Start / End Page: - Identifier: -