Definition
A time-delayed neural network is a model for a biological or artificial neural network which is formulated in terms of a delay differential equation, i.e., an equation relating the derivative of the state of the system to the state of the system at some past times. Time delays can have profound effect on the network behavior; in particular, they can induce nonlinear transient or steady-state oscillations.
Detailed Description
Biological Background
In biological neural networks, if the axon is thick and myelinated, then the transportation of signals is fast. However, a considerable portion of the axons (estimated range: 20–40 percent) are very fine myelinated fibers or unmyelinated ones. These axons play quite an important role since they give rise to long delays, up to 100–200 ms (Herz et al. 1989; Miller 1994; Swadlow and Waxman 2012). In addition, there may be (post)synaptic delays, so that long-term potentiation even occurs if the signal from the source neuron has...
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Wu, J., Campbell, S.A., Bélair, J. (2018). Time-Delayed Neural Networks: Stability and Oscillations. In: Jaeger, D., Jung, R. (eds) Encyclopedia of Computational Neuroscience. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7320-6_513-2
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DOI: https://doi.org/10.1007/978-1-4614-7320-6_513-2
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Time-Delayed Neural Networks: Stability and Oscillations- Published:
- 11 July 2018
DOI: https://doi.org/10.1007/978-1-4614-7320-6_513-2
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Time-Delayed Neural Networks: Stability and Oscillations- Published:
- 08 February 2014
DOI: https://doi.org/10.1007/978-1-4614-7320-6_513-1