Overview

Ever since the behavioral work of Lissrnann (1958), who showed that the weak electric discharges of some families of fish (hitherto considered useless for prey capture or for scaring away enemies) are part of a strange sensory system, these fish have attracted attention from biologists. The subsequent discovery of the electroreceptors in the skin of gymnotids and mormyrids (Bullock et al. 1961; Fessard and Szabo 1961) and the evidence that the ampullae of Lorenzini of nonelectric sharks and rays are also electro- receptors (Digkgraaf and Kalmijn 1962) was a start for a lively branch of physiological, anatomical, and behavioral research. Many fmdings of general importance for these fields have made the case to which extremes the performance of the central and peri- pheral nervous systems can be driven. Among those fmdings is the temporal accuracy of the pacemaker of some high-frequency fish which controls the electric organ, pro- bably the most accurate biological clock (coefficient of variation < 0. 0 1 %, Bullock 1982). The functional analysis of the pacemaker cells and their axons has established most of our knowledge on electrotonic synapses, the alternative to chemical synapses (Bennett et al. 1967), and of the implications of axonal delay lines for achieving extreme synchrony of parallel inputs to postsynaptic elements (Bennett 1972; Bruns 1971).

Full Product Details

Author:   Henning Scheich ,  Sven O.E. Ebbesson
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Volume:   82
Dimensions:   Width: 17.00cm , Height: 0.40cm , Length: 24.40cm
Weight:   0.185kg
ISBN:  

9783540125174

ISBN 10:   3540125175
Pages:   72
Publication Date:   01 November 1983
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Out of stock  
The supplier is temporarily out of stock of this item. It will be ordered for you on backorder and shipped when it becomes available.

Table of Contents

1 General Introduction.- 2 General Description of the Torus and Commissural Connections.- 2.1 Introduction.- 2.2 Material and Methods.- 2.3 Results.- 2.4 Discussion.- 2.5 Summary.- 3 Connections with the Posterior Lateral Line Lobe.- 3.1 Introduction.- 3.2 Material and Methods.- 3.3 Results.- 3.4 Discussion.- 3.5 Summary.- 4 Connections with the Mesencephalic Tectum.- 4.1 Introduction.- 4.2 Material and Methods.- 4.3 Results.- 4.4 Discussion.- 4.5 Summary.- 5 Connections with the Cerebellum.- 5.1 Introduction.- 5.2 Material and Methods.- 5.3 Results.- 5.4 Discussion.- 5.5 Summary.- 6 Connections with the Medial Octavolateralis Complex and with the Reticular Formation.- 6.1 Introduction.- 6.2 Material and Methods.- 6.3 Results.- 6.4 Discussion.- 6.5 Summary.- 7 Concluding Remarks.- 7.1 Organizational Frame of the Torus.- 7.2 Ascending Outputs of the Torus.- References.

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