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The upper row shows IPD responses, and the lower row shows AMD response. For both rows, 40 dB SPL, 80 dB SPL, and the differential measures are plotted as a function of age in the left, central, and right panels, respectively. Solid (red) lines show linear regressions. Spearman correlation coefficients are reported.
IPD = interaural phase difference; SPL = sound pressure level; AMD = amplitude modulation detection.
