PSYCH OpenIR  > 认知与发展心理学研究室
Alternative TitleOdor hedonics and their interplays with visual affects
Thesis Advisor周雯
Degree Grantor中国科学院研究生院
Place of Conferral北京
Degree Discipline认知神经科学
Keyword效价 情绪 嗅觉系统 杏仁核 多感觉交互


Other Abstract

Our behavioral response to a sensory stimulus depends in large on its intrinsic attractiveness or aversiveness, viz. valence. It is generally accepted that valence is encoded in limbic system, yet not much is known regarding the valence encoding in human olfaction. Although valence is applied to multimodal stimuli, whether cross-modal integration can be based on valence, and in what form does the human brain encode the perceptual valence from multiple channels remain unknown. Here two studies are proposed in an effort to reveal the human valence processing and its interplays with the limbic system. Specifically,
(a) Study I employs the valence assessment of hedonically binary odor mixture and adaption paradigm of olfactory valence, to argue against the validity of pleasantness as the primary axis in processing a odor object;
(b) Study II introduces olfactory cues to the interocular suppression paradigm and implicit pairing procedure in both the behavioral and fMRI experiments, to reveal the interlinked encodings of facial affect and odor hedonic tone, particularly below awareness.

Document Type学位论文
Recommended Citation
GB/T 7714
陈炜. 嗅觉效价及其与视觉情绪性信息的交互[D]. 北京. 中国科学院研究生院,2017.
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