Frequency-specific modulation of oscillatory activity in the rat auditory cortex by vagus nerve stimulation

We previously found that vagus nerve stimulation (VNS) strengthened stimulus-evoked activity in the superficial layer of the sensory cortex but not in the deep layer, suggesting that VNS altered the balance between the feedforward (FF) and feedback (FB) pathways. Band-specific oscillatory activities in the cortex could serve as an index of the FF-FB balance, but whether VNS affects cortical oscillations along sensory pathways through neuromodulators remains unclear.
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - Category: Neurology Authors: Source Type: research