Title

Odor quality profile is influenced by association between odor and color: An EEG Study of Olfactory ERP Changes

Alternative Title

향과 색의 연관성이 향의 질적 인지 프로파일에 미치는 영향: 후각 ERP 변화를 이용한 EEG 연구

DGIST Authors

Ki Won Choi ; Cheil Moon ; Won-Seok Kang

Advisor

문제일

Co-Advisor(s)

Won-Seok Kang

Issued Date

2025

Awarded Date

2025-08-01

Type

Thesis

Description

"Association between odor and color", "Odor perception", "Olfactory signal", "Brain signal", "Electroencephalography", "Event-related potential", "N400"

Table Of Contents

List of Contents
i Abstract
ii List of contents
iv List of figures
vi List of tables

Ⅰ. INTRODUCTION 1
ⅠI. MATERIALS AND METHODS 5
2.1 Participants 5
2.2 Apparatus and materials 7
2.3 Experimental procedure 10
2.4 Behavioral test 10
2.4.1 Odor and color association test 10
2.4.2 Questionnaires 13
2.5 Electroencephalogram (EEG) recording procedure 17
2.6 EEG preprocessing 20
2.7 Event-related potentials 20
2.8 Statistics 23
III. RESULTS 24
3.1 No significant differences in intensity between the odors were observed in the behavioral test 24
3.2 A color with high association and a color with low association with a particular odor exists 26
3.3 No significant differences were observed in the odor perception questionnaire task among color conditions 29
3.4 Color association alter odor quality profile 31
3.5 No significant differences in intensity between the odors were observed in the EEG recording test 38
3.6 Significant amplitude changes were observed in both negative potential (NP) and positive potentials (PP) 40
3.7 Changed NP and PP patterns across the conditions are related to the behavior test. 57
IV. DISCUSSION 66
Ⅴ. CONCLUSION 74
Ⅵ. REFERENCES 75
Ⅶ. SUMMARY(국문요약) 77

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/59804
http://dgist.dcollection.net/common/orgView/200000889092

DOI

10.22677/THESIS.200000889092

Degree

Master

Department

Department of Brain Sciences

Publisher

DGIST

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