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首页> 外文期刊>Current Biology: CB >Face perception is modulated by sexual preference
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Face perception is modulated by sexual preference

机译：面部感知受性偏好的调节

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摘要

Face perception is mediated by a distributed neural system in the human brain [1, 2]. The response to faces is modulated by cognitive factors such as attention, visual imagery, and emotion [3-6]; however, the effects of gender and sexual orientation are currently unknown. We used fMRI to test whether subjects would respond more to their sexually preferred faces and predicted such modulation in the reward circuitry. Forty heterosexual and homosexual men and women viewed photographs of male and female faces and assessed facial attractiveness. Regardless of their gender and sexual orientation, all subjects similarly rated the attractiveness of both male and female faces. Within multiple, bilateral face-selective regions in the visual cortex, limbic system, and prefrontal cortex, similar patterns of activation were found in all subjects in response to both male and female faces. Consistent with our hypothesis, we found a significant interaction between stimulus gender and the sexual preference of the subject in the thalamus and medial orbitofrontal cortex, where heterosexual men and homosexual women responded more to female faces and heterosexual women and homosexual men responded more to male faces. Our findings suggest that sexual preference modulates face-evoked activation in the reward circuitry.
机译：面部感知是由人脑中的分布式神经系统介导的[1，2]。对面部的反应受诸如注意力，视觉形象和情感等认知因素的调节[3-6];但是，性别和性取向的影响目前尚不清楚。我们使用功能磁共振成像测试受试者是否会对自己性爱的面孔做出更多反应，并预测奖励电路中的这种调节。 40名异性恋和同性恋男人和女人观看了男性和女性面孔的照片，并评估了面部吸引力。无论性别和性取向如何，所有受试者均对男女面孔的吸引力进行了类似的评估。在视觉皮层，边缘系统和前额叶皮层的多个双侧面部选择性区域内，所有受试者均响应男性和女性面部而发现相似的激活模式。与我们的假设一致，我们发现刺激性别与受试者在丘脑和眶额叶皮质的性偏好之间存在显着的相互作用，其中异性恋男人和同性恋女性对女性面孔的反应更大，而异性恋女性和同性恋男性对男性面孔的反应更多。我们的研究结果表明，性偏好会调节奖励电路中的面部诱发激活。

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