Matsumiya Kazumichi
Multisens Res. 2014;27(2):127-37. doi: 10.1163/22134808-00002446.
The face aftereffect (FAE; the illusion of faces after adaptation to a face) has been reported to occur without retinal overlap between adaptor and test, but recent studies revealed that the FAE is not constant across all test locations, which suggests that the FAE is also retinotopic. However, it remains unclear whether the characteristic of the retinotopy of the FAE for one facial aspect is the same as that of the FAE for another facial aspect. In the research reported here, an examination of the retinotopy of the FAE for facial expression indicated that the facial expression aftereffect occurs without retinal overlap between adaptor and test, and depends on the retinal distance between them. Furthermore, the results indicate that, although dependence of the FAE on adaptation-test distance is similar between facial expression and facial identity, the FAE for facial identity is larger than that for facial expression when a test face is presented in the opposite hemifield. On the basis of these results, I discuss adaptation mechanisms underlying facial expression processing and facial identity processing for the retinotopy of the FAE.
据报道，面部后效（FAE；适应一张脸后出现的面部错觉）在适应刺激与测试刺激之间不存在视网膜重叠的情况下也会出现，但最近的研究表明，FAE在所有测试位置并非恒定不变，这表明FAE也是视网膜拓扑性的。然而，尚不清楚FAE针对一个面部特征的视网膜拓扑特性是否与针对另一个面部特征的FAE相同。在本文报道的研究中，对面部表情的FAE视网膜拓扑性进行的一项检查表明，面部表情后效在适应刺激与测试刺激之间不存在视网膜重叠的情况下出现，并且取决于它们之间的视网膜距离。此外，结果表明，尽管面部表情和面部身份的FAE对适应 - 测试距离的依赖性相似，但当测试脸出现在对侧视野时，面部身份的FAE大于面部表情的FAE。基于这些结果，我讨论了FAE视网膜拓扑性对面部表情处理和面部身份处理的潜在适应机制。
