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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Curr Opin Neurobiol. 2016 Jul 9;40:72–80. doi: 10.1016/j.conb.2016.06.010

Figure 2. Vastly different waveforms create transient events with the same peak frequency and approximate duration.

Figure 2

Spectrograms (i) and corresponding waveforms (ii) from 3 cycles of a 22Hz sine wave (A), an inverted Ricker wavelet (B) and a single brief deflection (C). The peak frequency (22Hz) and approximate duration of each transient are the same despite vastly different waveforms likely created by different underlying circuit mechanisms, depicted schematically (see text for details). Each spectrogram was calculated with the same 7-cycle Morlet wavelet convolutions as in [26*].