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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Clayton, T. Cameron, K. Rae, B.R. Sabatier, N. Charbon, E. Henderson, R.K. Leng, G. Murray, A. |
| Copyright Year | 2007 |
| Abstract | This paper introduces a novel probabilistic spike-response model through the combination of avalanche diode-generated Poisson distributed noise, and a standard exponential decay-based spike-response curve. The noise source, which is derived from a 0.35-μm single-photon avalanche diode (kept in the dark), was tested experimentally to verify its characteristics, before being combined with a field-programmable gate-array implementation of a spike-response model. This simple model was then analyzed, and shown to reproduce seven of eight behaviors recorded during an extensive study of the ventral medial hypothalamic (VMH) region of the brain. It is thought that many of the cell types found within the VMH are fed from a tonic noise synaptic input, where the patterns generated are a product of their spike response and not their interconnection. This paper shows how this tonic noise source can be modelled, and due to the independent nature of the noise sources, provides an avenue for the exploration of networks of noise-fueled neurons, which play a significant role in pattern generation within the brain. |
| Sponsorship | IEEE Circuits and Systems Society IEEE Engineering in Medicine and Biology Society |
| Page Count | 13 |
| File Size | 1836552 |
| Starting Page | 231 |
| Ending Page | 243 |
| File Format | |
| ISSN | 19324545 |
| Volume Number | 5 |
| Issue Number | 3 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Noise Biomembranes Electric breakdown Neurons Adaptation model Junctions Brain modeling spiking neuron Modelling single-photon avalanche diode (SPAD) spike-response model |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Biomedical Engineering |
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