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A, Spectrograms of six diverse broadband stimuli used in the habituation study. B, Schematic illustration of how stimuli were presented. Blocks of three Novel stimuli (blue arrows) were presented in Phase 1. In each block, there were 50 repetitions of one of the three novel stimuli. The now Familiar stimuli (red arrows) are then presented in blocks of 25 repetitions in Phase 2. The Reversed stimuli (green arrows) are then presented in blocks of 25 repetitions in Phase 3.
