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Published byGabriel Bates Modified over 6 years ago
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Complex Times for Earthquakes, Stocks, and the Brain's Activity
Christoph Kayser, Bard Ermentrout Neuron Volume 66, Issue 3, Pages (May 2010) DOI: /j.neuron Copyright © 2010 Elsevier Inc. Terms and Conditions
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Figure 1 (A) The upper panel displays a hypothetical power spectrum with 1/f2 shape without distinct oscillations. The lower panel displays the same power spectrum with an added oscillation, visible as a clear peak above the straight line. (B) Idealized example of phase-amplitude coupling. The upper two panels illustrate two (oscillatory) signals of different frequencies. The gray line displays the faster signal amplitude modulated by the slower signal, in such a way that the amplitude of the faster signal peaks at the phase of π/2 of the slower signal. The bottom panel displays the same in the form of a hypothetical phase-separated amplitude histogram, as used in the discussed study. Neuron , DOI: ( /j.neuron ) Copyright © 2010 Elsevier Inc. Terms and Conditions
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