Enhancement of electroencephalogram activity in the theta-band range during unmatched olfactory-taste stimulation

Persistent ID (NDL): info:ndljp/pid/11498507

Material type: 博士論文

Author: Maeda, Saoriほか

Publisher: The Physiological Society of Japan|Springer Japan KK

Publication date: 2019-04-04

Material Format: Digital

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Name of awarding university/degree: 徳島大学,博士（歯学）

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Note (General)：: This study aimed to investigate how odor stimulation affects taste perception. Electroencephalogram (EEG) signals were measured from the frontal regio...

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Material Type: 博士論文
ISSN: 1880-6546
Title: Enhancement of electroencephalogram activity in the theta-band range during unmatched olfactory-taste stimulation
Volume: 69 4
Author/Editor: Maeda, Saori
Yoshimura, Hiroshi
Author Heading: Maeda, Saori
Yoshimura, Hiroshi
Publication, Distribution, etc.: The Physiological Society of Japan|Springer Japan KK
Publication Date: 2019-04-04
Publication Date (W3CDTF): 2019-04-04
Alternative Title: 匂いと味が一致しない刺激が与えられた場合の脳波活動に見られるシータ帯域の増加
Periodical title: The Journal of Physiological Sciences
Degree grantor/type: 徳島大学
Date Granted: 2020-03-12
Date Granted (W3CDTF): 2020-03-12
Dissertation Number: 甲第3379号
Degree Type: 博士（歯学）
Conferring No. (Dissertation): 甲第3379号
Text Language Code: eng
Subject Heading: Electroencephalogram
Fast Fourier Transform analysis
Smell
Taste
Theta
EEG
FFT
Target Audience: 一般
Note (General): This study aimed to investigate how odor stimulation affects taste perception. Electroencephalogram (EEG) signals were measured from the frontal region of the head in normal subjects, and frequency analyses were performed. Each odor stimulation was delivered while the subject tasted chocolate, using chocolate paste as the odorant for ‘matched odor stimulation’, and garlic paste for ‘unmatched odor stimulation’. Differences appeared in EEG signals. Comparing frequencies of EEGs under ‘unmatched odor stimulation’ with those under ‘matched odor stimulation’ showed that the occupancy rate of the theta-frequency band under ‘unmatched odor stimulation’ was higher than that under ‘matched odor stimulation’. Interestingly, a negative correlation existed between the occupancy rate of the theta-frequency band and the subjective feeling of chocolate sweetness. The present findings suggest that when we receive unmatched smell against the foods, subjective feelings are disturbed, and theta-band brain activity is increased while cross-checking the unmatched information.
DOI: info:doi/10.1007/s12576-019-00674-9
https://doi.org/info:doi/10.1007/s12576-019-00674-9
Persistent ID (NDL): info:ndljp/pid/11498507
https://dl.ndl.go.jp/pid/11498507
Collection: 障害者向け資料
Collection (Materials For Handicapped People:1): テキストデータ
Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
https://dl.ndl.go.jp/collections/A00014
Acquisition Basis: 博士論文（自動収集）
Date Accepted (W3CDTF): 2020-06-07T00:39:19+09:00
Format (IMT): application/pdf
Access Restrictions: 国立国会図書館内限定公開
Service for the Digitized Contents Transmission Service: 図書館・個人送信対象外
Availability of remote photoduplication service: 可
Periodical Title (URI): http://repo.lib.tokushima-u.ac.jp/114677
Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション
https://dl.ndl.go.jp