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. 2021 Oct 29;15:734231. doi: 10.3389/fnhum.2021.734231

FIGURE 2.

FIGURE 2

Scatterplots for characterizing the participant sample. (A) Correlation of age and peripheral hearing status, (B) correlation of age and speech-in-noise comprehension, (C) correlation of the hearing tests with one another, (D) correlation of age and deviance detection measured by MMN at frontocentral electrode position (E02, black dots) and common mastoids (CM, green dots). Note that only 28 participants were included for the latter correlation (see text for details). Significantly positive correlations indicate that higher age is associated with higher average hearing loss (A, p = 0.02) and with worse speech-in-noise comprehension (B, p < 0.01). Moreover, higher average hearing loss is associated with worse speech-in-noise comprehension (C, p < 0.01). A significant negative correlation between MMN amplitude and age only for CM shows less positive amplitudes with increasing age (D, green line, p < 0.01).