The Nucleus Tractus Solitarius (NTS) of the brainstem contains a neural circuit with only excitatory connections displaying a spontaneous activity involved in the control of respiration. A model of a network with random connections is presented and is used to investigate a possible mechanism of spon
A dynamical behaviour of active regions in randomly connected neural networks
β Scribed by Masami Okuda; Akihiko Yoshida; Koichi Takahashi
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 999 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0022-5193
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Dynamics of a one-dimensional neural network with external periodic stimulation are investigated numerically. Synaptic connections with constant and random values were assumed. Three ranges of network dynamics-periodic, intermediate and chaotic-were found, depending on the number of short-range syna
Empirical studies have demonstrated that electrical activity of the neuron can directly affect neurite outgrowth. High levels of activity cause neurites to retract, whereas low levels allow further outgrowth. Previously we studied networks in which all the cells reacted in the same way on electrical