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. 2020 Sep 10;14:846. doi: 10.3389/fnins.2020.00846

FIGURE 3.

FIGURE 3

Schematic illustration of the experimental setup. The two target (competing) speakers in the foreground were positioned 44° (±22°) degrees apart and played news clips (continuous speech) at 62 dB. Each of the four masker (babble) speakers in the background played a four-talker babble summing up to either 59 or 54 dB. The circle around talker T1 shows that the HI listener in this trial was instructed to attend to talker T1 and hence to ignore the competing talker T2 and the four masker (babble) noises B1–B4. The HI listener was instructed to gaze at the computer screen during sound presentation, and neural responses were measured using EEG.