Neural Correlates of Generic versus Gender-specific Face Adaptation
Neural Correlates of Generic versus Gender-specific Face Adaptation
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DOI：
10.1162/jocn.2009.21329
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发表时间：
2010-10-01
影响因子：
3.2
通讯作者：
Kovacs, Gyula
中科院分区：
文献类型：
--
作者：
Kloth, Nadine;Schweinberger, Stefan R.;Kovacs, Gyula
面部性别的感知被发现是适应性的重新校准：对男性面孔的适应使参与者将随后的面孔视为更女性化，反之亦然[韦伯斯特，M。一、Kaping，D.，Mizokami，Y.，& Duhamel，P.适应自然的面部类别。Nature，428，557-561，2004]。在事件相关脑电位（ERP）研究中，Kovacs等人[Kovacs，G.，Zimmer，M.，Banko，E.，哈尔扎岛Antal，A.，& Vidnyanszky，Z.人类面部和身体部位视觉适应的电生理学相关性。Cerebral Cortex，16，742-753，2006]报道了与对照刺激（相位随机面部）适应相比，在女性性别适应后，测试面部的N170振幅降低并且潜伏期增加。我们研究了这种N170衰减测试脸是否与适配器的性别，或适应一般面对曝光。我们比较了适应后的N170的影响，无论是男性或雌雄同体的脸。此外，我们研究了跨模态适应相同的测试面孔以下的男性或雌雄同体的语音适配器。视觉适应面部性别复制先前报道的后遗症在分类雌雄同体的脸，并观察到类似的趋势，适应声音性别。引人注目的是，使用面部适配器的面部的N170振幅显着降低（相对于使用语音适配器的面部），而在N170中只观察到最小的性别特异性适应效应。相比之下，强烈的性别特异性的适应效果出现在一个centroparietal P3-like组件（类似于400-600毫秒），这在适应的背景下，可能反映了神经相关的检测知觉新奇。
The perception of facial gender has been found to be adaptively recalibrated: adaptation to male faces causes participants to perceive subsequent faces as more feminine and vice versa [Webster, M. A., Kaping, D., Mizokami, Y., & Duhamel, P. Adaptation to natural facial categories. Nature, 428, 557-561, 2004]. In an event-related brain potential (ERP) study, Kovacs et al. [Kovacs, G., Zimmer, M., Banko, E., Harza, I., Antal, A., & Vidnyanszky, Z. Electrophysiological correlates of visual adaptation to faces and body parts in humans. Cerebral Cortex, 16, 742-753, 2006] reported reduced N170 amplitudes and increased latencies for test faces following female gender adaptation compared to control stimulus (a phase randomized face) adaptation. We examined whether this N170 attenuation to test faces was related to the adaptor's gender, or to adaptation to face exposure in general. We compared N170 effects after adaptation to either male or androgynous faces. Additionally, we investigated cross-modal adaptation for the same test faces following male or androgynous voice adaptors. Visual adaptation to face gender replicated previously reported aftereffects in classifying androgynous faces, and a similar trend was observed following adaptation to voice gender. Strikingly, N170 amplitudes were dramatically reduced for faces following face adaptors (relative to those following voice adaptors), whereas only minimal gender-specific adaptation effects were seen in the N170. By contrast, strong gender-specific adaptation effects appeared in a centroparietal P3-like component (similar to 400-600 msec), which in the context of adaptation may reflect a neural correlate of the detection of perceptual novelty.