Corrections
In the letter “Transcranial Stimulation for Psychosis: The Relationship Between Effect Size and Published Findings,” by Iris E. Sommer, M.D., Ph.D., et al. (Am J Psychiatry 2012; 169:Original article: 1211–1211), the middle initial of one of the authors was incorrect. The third author’s name should have been Christina W. Slotema, M.D., Ph.D.