The article in the November 16 issue on the study by Paul Thompson, Ph.D., and coworkers headed "Imaging Studies Document Schizophrenia’s Devastation" quotes Thompson as follows: "Wouldn’t it be intriguing if schizophrenia were a disorder of teenage brain development? After all, it hits in the late teens or early 20s, and nobody knows the cause. The fact that normal teens lose some gray matter leads to the theory that this process could be sped up, or abnormal in schizophrenia. The genes that regulate the process could be altered. . . ."