Grey Matter (image) Osaka University Share Print E-Mail Caption The grey matter volume in the left middle temporal gyrus was smaller in schizophrenia harboring risk homozygous T/T alleles. Credit Takanobu Nakazawa (Osaka University) et al. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.