Stoléru S, Grégoire M C, Gérard D, Decety J, Lafarge E, Cinotti L, Lavenne F, Le Bars D, Vernet-Maury E, Rada H, Collet C, Mazoyer B, Forest M G, Magnin F, Spira A, Comar D
Centre d'Etudes et de Recherches par Emission de Positions CERMEP, Lyon, France.
Arch Sex Behav. 1999 Feb;28(1):1-21. doi: 10.1023/a:1018733420467.
Brain areas activated in human male sexual behavior have not been characterized precisely. For the first time, positron emission tomography (PET) was used to identify the brain areas activated in healthy males experiencing visually evoked sexual arousal. Eight male subjects underwent six measurements of regional brain activity following the administration of [15O]H2O as they viewed three categories of film clips: sexually explicit clips, emotionally neutral control clips, and humorous control clips inducing positive but nonsexual emotions. Statistical Parametric Mapping was used to identify brain regions demonstrating an increased activity associated with the sexual response to the visual stimulus. Visually evoked sexual arousal was characterized by a threefold pattern of activation: the bilateral activation of the inferior temporal cortex, a visual association area; the activation of the right insula and right inferior frontal cortex, which are two paralimbic areas relating highly processed sensory information with motivational states; and the activation of the left anterior cingulate cortex, another paralimbic area known to control autonomic and neuroendocrine functions. Activation of some of these areas was positively correlated with plasma testosterone levels. Although this study should be considered preliminary, it identified brain regions whose activation was correlated with visually evoked sexual arousal in males.
在人类男性性行为中被激活的脑区尚未得到精确的描述。首次使用正电子发射断层扫描（PET）来识别在经历视觉诱发的性唤起的健康男性中被激活的脑区。八名男性受试者在静脉注射[15O]H2O后，观看三类电影片段时接受了六次脑区局部活动测量：色情电影片段、情绪中性的对照电影片段以及诱发积极但无性冲动情绪的幽默对照电影片段。使用统计参数映射来识别与对视觉刺激的性反应相关的活动增加的脑区。视觉诱发的性唤起表现为三重激活模式：双侧颞下回皮质激活，这是一个视觉联合区；右侧脑岛和右侧额下回皮质激活，这两个边缘旁区域将高度处理的感觉信息与动机状态联系起来；以及左侧前扣带回皮质激活，这是另一个已知控制自主神经和神经内分泌功能的边缘旁区域。其中一些区域的激活与血浆睾酮水平呈正相关。尽管这项研究应被视为初步研究，但它识别出了其激活与男性视觉诱发的性唤起相关的脑区。
