Koenigsberg HW, Buchsbaum MS, Buchsbaum BR, Schneiderman JS, Tang CY, New A, Goodman M, Siever LJ. Functional MRI of visuospatial working memory in schizotypal personality disorder: a region-of-interest analysis. Psychol Med. 2005 Jul 1 ; 35(7):1019-30. Pubmed Abstract