一个小样本容量(五人)的实验发现单纯型(DSM-IV simple deteriotive disorder)患者灰质缺乏、额区萎缩和减少的脑灌注(Suzuki 2005)[8]。Whitwell et al 2005年发现,发现了由于此分类“维度性”考虑,在实践基础上保留此分类的正当性,与使用其他分类的判断方向之判断所产生的意见截然相反[9]。
^Baiceng Lou, Thomas Dey - Soothing the troubled mind: acupuncture and moxibustion in the treatment of schizophrenia Paradigm Publications, 1999 (页面存档备份,存于互联网档案馆) RETRIEVED 2012-01-22
^Suzuki M, Nohara S, Hagino H, Takahashi T, Kawasaki Y, Yamashita I, Watanabe N, Seto H, Kurachi M. - Prefrontal abnormalities in patients with simple schizophrenia: structural and functional brain-imaging studies in five cases. Psychiatry Res. 2005 Nov 30;140(2):157-71. Epub 2005 Oct 21. ncbi.nlmmendeley[永久失效連結] RETRIEVED 2012-01-22