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  Department of Brain Sciences Theses Master

Comparing Bilateral and Unilateral Olfactory Recognition: Neural Correlates of Odor Recognition via EEG

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dc.contributor.advisor 문제일 -
dc.contributor.author Yuyeon Lee -
dc.date.accessioned 2026-09-01T19:31:03Z -
dc.date.available 2026-09-01T19:31:03Z -
dc.date.issued 2026 -
dc.identifier.uri https://scholar.dgist.ac.kr/handle/20.500.11750/60766 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200001014785 -
dc.description Olfaction, bilateral stimulation, unilateral stimulation, odor identification, EEG, ERSP, time-frequency analysis|후각, 양측 자극, 단측 자극, 향 식별, 향 지각, EEG, ERSP, 시간-주파수 분석 -
dc.description.tableofcontents List of Contents

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

Ⅰ. Introduction 1

Ⅱ. Materials and Methods
2.1 Participants 4
2.2 Olfactory Stimuli 5
2.3 Olfactometer Setup and Odor Delivery 7
2.3.1 Design of Odor Delivery to Both Nostrils 7
2.3.2 Direct Delivery of Olfactory Stimuli to the Participant’s Nostrils 9
2.4 Experimental Design and Procedure 11
2.5 Behavioral Tasks 12
2.5.1 Odor Perception Survey 13
2.5.2 Odor Identification Survey 14
2.5.3 Odor Quality Descriptor Survey 14
2.6 EEG Recording Procedure 15
2.7 EEG Preprocessing 17
2.8 Time–Frequency Analysis 18
2.9 Statistical Analysis 19

Ⅲ. Results
3.1 Odor Perception Ratings Across Stimulation Directions 21
3.2 Effects of Stimulation Direction on Odor Identification Accuracy 25
3.3 Odor Descriptor Ratings Across Stimulation Directions 27
3.4 EEG Oscillatory Responses to Unilateral and Bilateral Stimulation 29
3.5 Relationship Between Behavioral Measures and EEG Oscillatory Activity 33

Ⅳ. Discussion
4.1 Behavioral Effects of Stimulus Directionality on Odor Perception 35
4.2 Interpretation of Identification Accuracy Differences 37
4.3 Neural Oscillatory Mechanisms Underlying Directional Olfactory Processing 39
4.4 Integration of Behavioral and EEG Findings 40
4.5 Limitations of the Study and Future Directions 42

Ⅴ. Conclusion 45

Ⅵ. Reference 46

Ⅶ. Summary （국문요약） 48		 -
dc.format.extent 48 -
dc.language eng -
dc.publisher DGIST -
dc.title Comparing Bilateral and Unilateral Olfactory Recognition: Neural Correlates of Odor Recognition via EEG -
dc.title.alternative 양측 및 단측 후각 자극에 따른 향 인식 비교: EEG 기반 신경 상관성 연구 -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200001014785 -
dc.description.degree Master -
dc.contributor.department Department of Brain Sciences -
dc.contributor.coadvisor Han Kyoung Choe -
dc.date.awarded 2026-08-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.BM 이66 202608 -
dc.date.accepted 2026-07-21 -
dc.contributor.alternativeDepartment 뇌과학과 -
dc.subject.keyword Olfaction, bilateral stimulation, unilateral stimulation, odor identification, EEG, ERSP, time-frequency analysis|후각, 양측 자극, 단측 자극, 향 식별, 향 지각, EEG, ERSP, 시간-주파수 분석 -
dc.contributor.affiliatedAuthor Yuyeon Lee -
dc.contributor.affiliatedAuthor Cheil Moon -
dc.contributor.affiliatedAuthor Han Kyoung Choe -
dc.contributor.alternativeName 이유연 -
dc.contributor.alternativeName Cheil Moon -
dc.contributor.alternativeName 최한경 -
dc.rights.embargoReleaseDate 2027-08-31 -
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