Correction
The figure in the August 2011 letter “Muting the Voice: A Case of Arterial Spin Labeling-Monitored Transcranial Direct Current Stimulation Treatment of Auditory Verbal Hallucinations” by Philipp Homan, M.D., et al. (Original article: Am J Psychiatry 2011; 168:853-854) contained errors in the labeling of the axial slices. The correct figure appears here and includes clarification of the radiological orientation.