formalin-fixed, wax-embedded blocks of frontal, temporal, or visual cortex from 5 additional adults and of frontal cortex from 2 neonates. The NIMH/Lieber Institute for Brain Development brains were collected with audiotaped oral informed consent from legal next of kin under National Institutes of Health institutional review board protocol 90-M-1042. Studies in Oxford, United Kingdom, were approved by Oxfordshire National Health Service Research Ethics Committee B (#O02.040).
