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. Author manuscript; available in PMC: 2011 May 3.
Published in final edited form as: Trends Amplif. 2010;14(2):73–83. doi: 10.1177/1084713810380227

Figure 5.

Figure 5

Grand average response waveforms of typically developing children (N = 21) in response to repetitive (red) versus variable (black) presentation of speech syllable /da/ (top panel)

Note. The black rectangle outlines the formant transition region from 20 to 60 ms. Grand average spectra of repetitive versus variable presentations demonstrate enhanced magnitude of second and fourth harmonics in the repetitive condition (bottom left). The difference scores between repetitive versus variable conditions relate to Hearing in Noise Test scores (r = .486; p = .025; bottom right). Modified from Chandrasekaran et al. (2009).