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 5. Baseline LF/HF ratio in visits 1 (A) and 2 (B) significantly predicted change in LF/HF ratio between baseline and tVNS. Δ refers to the differences between baseline and tVNS.