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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Neurobiol Aging. 2018 Sep 12;73:30–40. doi: 10.1016/j.neurobiolaging.2018.08.023

Figure 7: Results for scalp recordings and extracellular recordings using a natural speech stimulus.

Figure 7:

A: Time courses of envelope following responses (EFRs) in response to the speech /ba/ sound. Boxplots show coefficients from the cross-correlation for different frequency bands. B: Amplitude spectra derived from fast Fourier transforms. Boxplots show neural synchronization strength to the sound’s F0 envelope (105–115 Hz). C: Spectrum of normalized vector strength for LFPs, MUA, and SUA in response to the speech sound. Box plots show the mean normalized vector strength for the 105–115 Hz frequency window. *p < 0.05, n.s. – not significant