Fig. 4: No significant change in auditory hallucinations from baseline following tACS treatment or maintenance.

a The percent symptom changes in the auditory hallucination rating scale (AHRS) from baseline (Day 1) in four groups by whether the participants had received 10 Hz-tACS or sham stimulation during the treatment week and the maintenance period. b The percent symptom changes in AHRS from Day 1 in two groups by whether the participants had received 10 Hz-tACS or sham stimulation during the treatment week. c The percent symptom changes in AHRS from 1-week follow-up in two groups by whether the participants had received 10 Hz-tACS or sham stimulation during the maintenance period.