Fig. 2From: Transcranial electric and acoustic stimulation for tinnitus: study protocol for a randomized double-blind controlled trial assessing the influence of combined transcranial random noise and acoustic stimulation on tinnitus loudness and distressSites of stimulation in HD-tRNS. Adapted from the manual of the system 10/20 [44, 45]. Created from the HD-Targets Software of Soterix Medical Multichannel Neuromodulation Stimulator (MxN-33 system; model-no. 3200C)Back to article page