Randomised Controlled TrialtaVNSn = 70

Baseline functional connectivity of the basal forebrain-cortical circuit predict taVNS treatment response in primary insomnia: a randomized controlled trial and fMRI study

Qi M, Huang Y, Mai R, Yan Z, Xu B, Liu B, Zhang Y

BMC Medicine · 2025

Key finding

In an RCT of 70 adults with primary insomnia, taVNS reduced insomnia-severity, sleep-quality and anxiety scores versus sham; baseline basal-forebrain connectivity predicted response.

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Condition
Sleep
Stimulation
taVNS
Evidence tier
Randomised Controlled Trial
Participants
70
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Cite this study

Qi, M., Huang, Y., Mai, R., Yan, Z., Xu, B., Liu, B., & Zhang, Y. (2025). Baseline functional connectivity of the basal forebrain-cortical circuit predict taVNS treatment response in primary insomnia: a randomized controlled trial and fMRI study. BMC Medicine, 23(1). https://doi.org/10.1186/s12916-025-04126-7

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