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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Brain Lang. 2010 Jun 8;114(3):193–198. doi: 10.1016/j.bandl.2010.05.004

Figure 1.

Figure 1

Average correlograms (columns 1-2) and spectrograms (columns 3-4) derived from the full length (280 ms) FFR waveforms of Chinese and English groups in response to Mandarin Tone 2 (A1), and three modifications of Tone 2 with increasing rates of pitch acceleration (A2, A3, A4). At all acceleration levels, correlograms of the Chinese group show clearer, tighter bands of temporal regularity (black) in FFR phase-locked activity at the fundamental period (1/f0) and its multiples as compared to the English group. This is especially noteworthy in the temporal analysis window of maximum pitch acceleration centered at 177 ms. Black horizontal bars indicate the span of the analysis window per stimulus (see also Fig. 3). Similarly, at all acceleration levels, the spectrograms for the Chinese group show more robust, clearer harmonics than the English group.