A critical role of holistic processing in face gender perception.
A critical role of holistic processing in face gender perception.
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DOI：
10.3389/fnhum.2014.00477
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发表时间：
2014
影响因子：
2.9
通讯作者：
Kita S
中科院分区：
文献类型：
--
作者：
Yokoyama T;Noguchi Y;Tachibana R;Mukaida S;Kita S
人脸性别感知是通过编码整体（整体）信息还是特征（部分）信息来处理的，这是一个有争议的问题。尽管神经成像研究已经确定了与面部性别感知相关的大脑区域，但这一过程的时间动态仍存在争议。在此，我们确定了面部性别感知的机制和时间动态。我们使用立体深度操作来创建两个条件：前面和后面的条件。在正面条件下，面部贴片被立体地呈现在封堵器前，参与者将其视为不相交的部分（特征线索）。在后面的条件下，面部斑块立体地呈现在闭塞器后面，在模态上完整和统一在一个连贯的面部（整体线索）。我们进行了三个行为实验和一个脑电图实验，并比较了前后条件的结果。我们发现，后置条件下的反应时间比前置条件下更快，并且只在后置条件下观察到启动效应和后置效应。此外，脑电图实验显示，人脸性别知觉是在视觉识别的较晚阶段（200-285 ms）处理的。我们的研究结果表明，整体信息对面部性别感知至关重要，并且这一过程发生的潜伏期相对较晚。
Whether face gender perception is processed by encoding holistic (whole) or featural (parts) information is a controversial issue. Although neuroimaging studies have identified brain regions related to face gender perception, the temporal dynamics of this process remain under debate. Here, we identified the mechanism and temporal dynamics of face gender perception. We used stereoscopic depth manipulation to create two conditions: the front and behind condition. In the front condition, facial patches were presented stereoscopically in front of the occluder and participants perceived them as disjoint parts (featural cues). In the behind condition, facial patches were presented stereoscopically behind the occluder and were amodally completed and unified in a coherent face (holistic cues). We performed three behavioral experiments and one electroencephalography experiment, and compared the results of the front and behind conditions. We found faster reaction times (RTs) in the behind condition compared with the front, and observed priming effects and aftereffects only in the behind condition. Moreover, the EEG experiment revealed that face gender perception is processed in the relatively late phase of visual recognition (200–285 ms). Our results indicate that holistic information is critical for face gender perception, and that this process occurs with a relatively late latency.
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