Sackeim H A, Gur R C, Saucy M C
Science. 1978 Oct 27;202(4366):434-6. doi: 10.1126/science.705335.
Pictures of human faces posing six distinct emotions (plus a neutral expression) and their mirror reversals were split down the midlines, and left-side and right-side composites were constructed. Subjects judged left-side composites as expressing emotions more intensely than right-side composites. The finding indicates hemispheric asymmetry in the control over emotional expression in the face.
展示六种不同情绪（外加一种中性表情）及其镜像反转的人脸图片沿中线分割，构建了左侧和右侧合成图片。受试者判断左侧合成图片比右侧合成图片表达的情绪更强烈。这一发现表明在控制面部情绪表达方面存在半球不对称性。
