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. Author manuscript; available in PMC: 2013 May 2.
Published in final edited form as: J Neurosci. 2010 Sep 15;30(37):12480–12494. doi: 10.1523/JNEUROSCI.1780-10.2010

Figure 1.

Figure 1

Spectra of complex sound stimuli presented in the study. Frequency and stimulus conditions are represented along the ordinate and abscissa, respectively. Spectral components of the complex sounds are schematically represented by square symbols. Stimuli were presented in four blocks: “shift 3rd,” “shift F0,” “shift 6th,” and “stretched.” Each block consisted of an “in-tune” harmonic condition and several mistuned conditions in which stimuli were made inharmonic via various manipulations. Stimuli were designed so that the third component under the harmonic condition (Harm) was set equal to the BF of thesite (the peak of its FRF, schematically shown at the left of the figure; in the case depicted, the BF and third harmonic = 750 Hz, indicated by the dashed horizontal line, and the F0 = 250 Hz). Components shifted upward (Up) or downward (Dn) relative to their frequency under the harmonic condition are represented by filled symbols. Arrows in the “shift 6th” panel indicate stimulus components that are visually occluded by the adjacent mistuned components due to their close proximity in frequency.