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. Author manuscript; available in PMC: 2008 Mar 1.
Published in final edited form as: J Neurophysiol. 2007 Jan 3;97(3):2230–2238. doi: 10.1152/jn.00788.2006

FIG. 1.

FIG. 1

A: time course of activation on Heschl's gyrus for (A) sequences of high-frequency (1,900 Hz) tones presented at a high (10/s) and a low (5/s) rate, (B) ABAB sequences with frequency separations between A and B of 20 and 0 semitones, and (C) an ABAB, 20 semitone sequence—same as in B. C: sum of the time courses produced when the A and B tones of the 20-semitone ABAB sequence were presented separately (A__A__ and B__B__). In all panels, the traces are each an average across the 3 subjects who participated in the preliminary experiment. Time course for each subject and stimulus condition was calculated by averaging across all Heschl's gyrus voxels active (P < 0.001) for either the 0- or 20-semitone condition. Shading indicates ±1 SE. In calculating the error, each subject was considered a separate data point.