Research Paper Volume 11, Issue 14 pp 4836—4857

Effects of transcutaneous vagus nerve stimulation in individuals aged 55 years or above: potential benefits of daily stimulation

Figure 6. Baseline LF/HF ratio reduced after 2 weeks of daily tVNS in six responders with three showing an increase in baseline LF/HF ratio following the daily tVNS (indicated by the blue boxes).