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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Neurobiol Aging. 2017 Jun 24;58:191–200. doi: 10.1016/j.neurobiolaging.2017.06.013

Figure 5. EFR amplitudes to SAM stimuli with lower AM frequencies (16–90 Hz) at 100 % depth were larger in aged animals than in young animals, even when peripheral activation was matched, but not at 25 %.

Figure 5

EFRs of temporal modulation transfer function (tMTF) with SAM frequencies of 16–2048 Hz at either (a)100 % or (b)25 % modulation depth. The asterisks indicate p < 0.05 for the young peripheral matching vs. the aged while the pound sign indicates p < 0.05 for the young central matching vs. the aged. Statistically significant differences were obtained using least squares means comparison from rmANOVA.