An algorithm for detecting oscillatory behavior in discretized data: the damped-oscillator oscillator detector

Details An algorithm for detecting oscillatory behavior in discretized data: the damped-oscillator oscillator detector An algorithm for detecting oscillatory behavior in discretized data: the damped-oscillator oscillator detector

2007-08-09

arxiv.org/abs/0708.1341v1

Biology

Quantitative Biology

Quantitative Methods

20 pages, 6 figures

Scientific paper

We present a simple algorithm for detecting oscillatory behavior in discrete data. The data is used as an input driving force acting on a set of simulated damped oscillators. By monitoring the energy of the simulated oscillators, we can detect oscillatory behavior in data. In application to in vivo deep brain basal ganglia recordings, we found sharp peaks in the spectrum at 20 and 70 Hz. The algorithm is also compared to the conventional fast Fourier transform and circular statistics techniques using computer generated model data, and is found to be comparable to or better than fast Fourier transform in test cases. Circular statistics performed poorly in our tests.

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