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R.W. Lucky discusses the Gaussian profile of our world in the November’s issue of IEEE Spectrum.
Illustration: Richard Mia, IEEE Spectrum Nov 2010
Noise in neural systems usually carries a non-white complex correlated gaussian profile with higher power in low frequencies, due to synaptic coupling among neurons, superimposed field potentials etc.
Furthermore, as it has already been argued for more than a decade [1], in real case scenarios background noise cannot be considered as a stationary Gaussian process. On the other hand, most of communication theory, for example, is based on the “fiction” of additive white Gaussian noise.
In this article, the author challenges the “normality” of a world dominated by bell-shaped Gaussian curves.
You may read the full IEEE’s Spectrum article of R. Lucky here.
[1] Fee et al. Variability of extracellular spike waveforms of cortical neurons. J Neurophysiol (1996) vol. 76 (6) pp. 3823-33 
- Published by Dimitrios A. Adamos in: Stories
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