Female-to-Male Transsexual Individuals Demonstrate Different Own Body Identification
Female-to-Male Transsexual Individuals Demonstrate Different Own Body Identification
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DOI：
10.1007/s10508-015-0596-z
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发表时间：
2016-04-01
影响因子：
3.8
通讯作者：
Savic, Ivanka
中科院分区：
文献类型：
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作者：
Feusner, Jamie D.;Dervisic, Jasenko;Savic, Ivanka
易性癖的特征是感觉纳塔尔性别和性别认同之间不协调。目前尚不清楚变性人的身体意象是否比他们出生时的性别（纳塔尔性别）更符合他们的性别认同，如果是这样，是否有知觉功能障碍的贡献。我们比较了16个前激素治疗的女性到男性的变性（FtM）个人20异性恋女性和20异性恋男性控制的视觉识别任务。参与者观看了他们自己的身体照片，这些照片与其他女性或男性的身体有不同程度的变形，并被要求评价“这张照片在多大程度上是你？“我们还使用倒置面孔任务测试了全局与局部视觉处理。FtM与两个对照组不同，表现出更高的自我认同评级的机构变形到与他们的性别认同一致的性别，并在广泛的变形百分比。观看时间越长，这种差异就越明显。FtM显示，与女性对照组相比，直立脸的准确性降低，短时间的刺激，但倒脸没有优势。这些结果表明，不同的自己的身体识别在FtM，包括一个相对分散的身份与身体图像一致的性别认同。这更可能是由意识、认知因素而不是感知差异造成的。
Transsexualism is characterized by feelings of incongruity between one's natal sex and one's gender identity. It is unclear whether transsexual individuals have a body image that is more congruent with their gender identity than their sex assigned at birth (natal sex) and, if so, whether there are contributions from perceptual dysfunctions. We compared 16 pre-hormone treatment female-to-male transsexual (FtM) individuals to 20 heterosexual female and 20 heterosexual male controls on a visual identification task. Participants viewed photographs of their own body that were morphed by different degrees to bodies of other females or males, and were instructed to rate "To what degree is this picture you?" We also tested global vs. local visual processing using the inverted faces task. FtM differed from both control groups in demonstrating higher self-identification ratings for bodies morphed to the sex congruent with their gender identity, and across a broad range of morph percentages. This difference was more pronounced for longer viewing durations. FtM showed reduced accuracy for upright faces compared with female controls for short duration stimuli, but no advantage for inverted faces. These results suggest different own body identification in FtM, consisting of a relatively diffuse identification with body images congruent with their gender identity. This is more likely accounted for by conscious, cognitive factors than perceptual differences.