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Does the face‐specific N170 component reflect the activity of a specialized eye processor?

 

作者: Martin Eimer,  

 

期刊: NeuroReport  (OVID Available online 1998)
卷期: Volume 9, issue 13  

页码: 2945-2948

 

ISSN:0959-4965

 

年代: 1998

 

出版商: OVID

 

关键词: Event-related potential (ERP);Faces;Fusiform gyrus;Temporal lobe;Visual

 

数据来源: OVID

 

摘要:

EVENT-RELATED brain potentials (ERPs) to intact faces and to faces without eyes were compared to ERPs elicited by houses to find out whether the face-specific N170 component reflects the activity of a cortical eye processor. When compared to houses, face stimuli elicited a posterior negativity (N170) and a frontocentral positivity. N170 amplitude was not affected by the presence or absence of eyes, but N170 was delayed in response to faces without eyes. It is concluded that the N170 is not directly related to the activity of cortical regions sensitive to the presence of eyes, and is more likely to reflect processes involved in the structural encoding of face components.

 

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