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. 2020 Jan 10;13:1418. doi: 10.3389/fnins.2019.01418

FIGURE 2.

FIGURE 2

Grand average waveforms for pupil responses. Average responses to each token condition at each SNR level: (A) unmasked, (B) 0 dB SNR, (C) –5 dB SNR conditions. Peak pupil diameter and latency between the 300 and 700 ms search window are extracted for further analysis. Grand average waveforms for pupil responses contrasting categorical [mean (vw1,vw5)] vs. ambiguous (vw3) tokens at each SNR level. (D) Unmasked, (E) 0 dB SNR, (F) –5 dB SNR conditions. Pupil responses are modulated by SNR and token identity. shading = 1 SEM.