Figure 2 | Scientific Reports

Figure 2

From: Transcutaneous cervical vagus nerve stimulation enhances second-language vocabulary acquisition while simultaneously mitigating fatigue and promoting focus

Figure 2

Language learning results. (a) Mean recall performance in Experiment 1 Mandarin participants and Experiment 2 Arabic participants across 5 sessions (i.e., Day 1 through 5). The error bars denote + /- 1 standard error. (b) Model-estimated treatment effect for Arabic Recall Accuracy. The error bars denote 95% confidence intervals. (c) Mean recall performance in Experiment 2 Arabic participants broken down by the item type. (d) Mean raw reaction time for the correct trials during the recognition test in Experiment 1 Mandarin participants and Experiment 2 Arabic participants across 4 sessions (i.e., Day 2 through 5). Note that there was no baseline recognition test on Day 1. The error bars denote + /− 1 standard error.

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