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. 2012 Feb 10;7(2):e31589. doi: 10.1371/journal.pone.0031589

Figure 1. Acoustic stimuli employed in the experiments.

Figure 1

A: The probe (P) was a PAM tone at 20 pulses/s with the carrier at the neuron's CF. The maskers are noises with different bandwidths centered around the neuron's CF (wideband noise shown); these were either unmodulated (Mu, B) or amplitude modulated (Mm, C) with a modulation depth of 100%. The rise- and fall times for Mu were 5 ms. Spectrogram (D) and waveform (E) of the Rana pipiens advertisement call.