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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Brain Stimul. 2018 Sep 21;12(1):9–18. doi: 10.1016/j.brs.2018.09.013

Figure 1. Spectrograms of each conditioned stimulus used during AFC. A. Spectrogram for CS1 (machine gun fire). B. Spectrogram for CS2 (marmoset vocalization).

Figure 1.

Spectrograms for CS1 and CS2 were used in generalization experiments, as they are easy to discriminate given they have distinct differences in frequency bandwidth, frequency modulation, rise time, and decay time. Duration of stimuli were also different, CS1 lasted 50 seconds while CS2 lasted 39 seconds.