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Brain: Biological Noise-Based Logic

: Kish, L.B.; Granqvist, C.G.; Bezrukov, S.M.; Horvath, T.


Liljenström, H.:
Advances in Cognitive Neurodynamics (IV) : Proceedings of the Fourth International Conference on Cognitive Neurodynamics - 2013, Sigtuna, Sweden, 23-27 June 2013
Dordrecht: Springer Science + Business Media, 2015
ISBN: 978-94-017-9547-0 (Print)
ISBN: 978-94-017-9548-7 (Online)
International Conference on Cognitive Neurodynamics (ICCN) <4, 2013, Sigtuna>
Fraunhofer IAIS ()

Neural spikes in the brain form stochastic sequences, i.e., belong to the class of pulse noises. This stochasticity is a counterintuitive feature because extracting information-such as the commonly supposed neural information of mean spike frequency-requires long times for reasonably low error probability. The mystery could be solved by noise-based logic, wherein randomness has an important function and allows large speed enhancements for special-purpose tasks, and the same mechanism is at work for the brain logic version of this concept.