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A) Overall percent correct as a function of age (years) in the NH group. Scores obtained with female talker’s (dark red circles) and male talker’s (light red circles) materials. Solid lines show linear regression fits. B) Box plots show percent correct scores obtained in older and younger NH groups (abscissa) for the female talker’s (dark red) and male talker’s (light red) materials. The colors are as in Fig. 5A.
