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- Ono Yoshiaki
- Department of Geriatric Dentistry, Osaka Dental University
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- Yoshioka Masataka
- Graduate School of Dentistry (Geriatric Dentistry), Osaka Dental University
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- Tanaka Eiji
- Department of Geriatric Dentistry, Osaka Dental University
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- Asai Takatsugu
- Department of Geriatric Dentistry, Osaka Dental University
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- Uesugi Naoto
- Department of Geriatric Dentistry, Osaka Dental University
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- Komasa Yutaka
- Department of Geriatric Dentistry, Osaka Dental University
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In order to investigate if it is possible to objectively assess gustatory sensation, which is one of the oral senses, we qualitatively analyzed pupillary responses using an infrared electronic pupillometer after stimulation with taste-testing preparations that elicit the taste sensations of sweet, sour, salty, and bitter. The Iriscorder^[○!R] C7364 (Hamamatsu Photonics, Shizuoka, Japan) was used to measure pupillary responses in 8 adult subjects. Taste discs^[○!R] (Sanwa Kagaku Kenkyusho, Nagoya, Japan) were used to stimulate the taste sensations of sweetness, sourness, saltiness, and bitterness. Water was used for no taste. Pupillary responses were measured before and after each taste stimulation, and the pupillary area and maximum pupillary contraction rate were analyzed. We found no significant difference in the maximum pupillary contraction rate, which is an index of parasympathetic activity, during any of the taste stimulations. However, the pupillary area, which is an index of sympathetic activity, showed significant increases on stimulations involving saltiness and bitterness. These results suggest the possibility of objectively assessing the sense of taste using an infrared electronic pupillometer.
収録刊行物
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- Journal of Osaka Dental University
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Journal of Osaka Dental University 45 (1), 69-74, 2011
大阪歯科学会
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詳細情報 詳細情報について
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- CRID
- 1390001204960705664
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- NII論文ID
- 110008607468
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- NII書誌ID
- AA00704144
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- ISSN
- 21896488
- 04752058
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可