(A) study on the task-dependent discriminability of individual face representations in the fusiform face area = 방추상회 얼굴영역에서 과제에 따른 개별 얼굴 표상의 구별에 대한 연구

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In our daily life, we can easily distinguish thousands of faces in spite of the high similarity of human faces. This ability of face discrimination is indispensable for face identification in our social interactions. The fusiform face area (FFA) is thought to be involved in face discrimination or identification, yet the effect of behavioral goals on the discriminability of individual faces in this region remains unclear. Here we investigated neural response patterns during three different tasks in the FFA using functional magnetic resonance imaging (fMRI). We found that discriminability of individual faces in the FFA depends on the current behavioral goal. Individual face identity could be decoded from the right FFA when the participants were asked to distinguish individual faces whereas decoding was not successful when they had to determine common features such as race or gender of the same faces. These results suggest that the specificity of neural responses in the FFA for individual-level face information is flexible, depending on the behavioral goals.
Advisors
Lee, Sue-Hyunresearcher이수현researcher
Description
한국과학기술원 :바이오및뇌공학과,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 바이오및뇌공학과, 2018.2,[iv, 37 p. :]

Keywords

fMRI▼aface perception▼aface identification▼abehavioral goal▼aMVPA; 기능적 자기 공명 영상▼a얼굴 인식▼a얼굴 식별▼a행동 목표▼a다중 복셀 패턴 분석

URI
http://hdl.handle.net/10203/266179
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=733815&flag=dissertation
Appears in Collection
BiS-Theses_Master(석사논문)
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