Systematic Reviewhigh evidence
Sorting the mind: cognitive enhancement through transcutaneous auricular vagus nerve stimulation: a systematic review and meta-analysis.
Psychological medicine·June 24, 2026·PMID 42339645
Why it matterstaVNS is a noninvasive, low-cost neuromodulation tool that may enhance cognition, particularly executive control and adaptive learning. For clinicians focused on performance and longevity, it offers a potential adjunct for cognitive optimization or rehabilitation, though evidence remains early and heterogeneous.

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