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首页> 外文期刊>Journal of Behavioral and Brain Science >Gender Differences in Neural Mechanisms Underlying Moral Judgment of Disgust: A Functional MRI Study
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Gender Differences in Neural Mechanisms Underlying Moral Judgment of Disgust: A Functional MRI Study

机译:厌恶道德判断背后的神经机制中的性别差异:功能性MRI研究

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Much recent research has sought to uncover the gender difference in neural mechanism of moral judgment; however, very few researches study the neural gender differences in a specific area of moral judgment. The aim of this functional magnetic resonance imaging (fMRI) study was to examine possible gender difference in neural response to (sexual) disgusting pictures versus neutral pictures. Seventeen participants (9 males) were scanned while viewing pictures of tactile intimacy in same-sex and being asked to evaluate whether the behaviors between the stimulus persons in the pictures were morally appropriate or not. Both the neural responses to pictures of tactile intimacy in same-sex between male participants and female participants and the neural response to pictures of male-male tactile intimacy and to pictures of female-female tactile intimacy were examined. The results showed that significantly increased differential activations to the disgusting pictures relative to the neutral pictures were observed in the dorsal medial prefrontal cortex (BA 9) and amygdala. Furthermore, greater activation to the pictures of female-female tactile intimacy was observed in the left superior frontal gyrus/dorsal medial prefrontal cortex (BA 6). These results suggested a possible neural gender difference between female’s immoral behavior and male’s immoral behavior.
机译:最近的许多研究试图揭示道德判断的神经机制中的性别差异。然而,很少有研究在道德判断的特定领域研究神经性别差异。这项功能磁共振成像(fMRI)研究的目的是检查对(性)令人反感的图片与中性图片的神经反应可能存在的性别差异。在观看同性触觉亲密照片时,对十七名参与者(9名男性)进行了扫描,并被要求评估照片中刺激者之间的行为在道德上是否适当。检查了男性参与者和女性参与者对同性触觉亲密照片的神经反应以及对男性-男性触觉亲密照片和对女性-女性触觉亲密照片的神经反应。结果表明,相对于中性图片,在背内侧前额叶皮层(BA 9)和杏仁核中观察到对恶心图片的差异激活明显增加。此外,在左上额叶回/背内侧前额叶皮层(BA 6)中观察到更大的对女性-女性触觉亲密性的激活。这些结果表明,女性的不道德行为与男性的不道德行为之间可能存在神经性别差异。

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