<p><b>Copyright information:</b></p><p>Taken from "Genomic regulation of natural variation in cortical and noncortical brain volume"</p><p>BMC Neuroscience 2006;7():16-16.</p><p>Published online 17 Feb 2006</p><p>PMCID:PMC1402304.</p><p>Copyright © 2006 Beatty and Laughlin; licensee BioMed Central Ltd.</p> significant. There is a suggestive association on the distal portion of chromosome 15 and a significant QTL on chromosome 19. Thus, there is a double dissociation between neocortex and noncortex for significant QTLs on chromosomes 11 and 19