| Project/Area Number |
24650328
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Rehabilitation science/Welfare engineering
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| Research Institution | Prefectural University of Hiroshima |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
HAJI Tomoyuki 県立広島大学, 保健福祉学部, 教授 (20145147)
NAKAMURA Aya 県立広島大学, 保健福祉学部, 助教 (10709629)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Keywords | 摂食嚥下障害 / 先行期 / 認知期 / 嚥下反射 / 嚥下音 / 非侵襲的検査 / 誤嚥 / 摂食嚥下リハビリテーション / 摂食嚥下活動 / 先行期情報 / 認知活動 / 嚥下機能 / 摂食機能 / 非侵襲的嚥下機能検査 / 脳機能 / 食物認知機能 / 事前情報 / 主観評価 / 味認知 / 声門閉鎖 / 認知症 |
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| Outline of Final Research Achievements |
Possible effects of auditory verbal cues on flavor perception and swallow physiology for younger and elder participants were analyzed. Apple juice, grass juice, and water were ingested with or without auditory verbal cues. Flavor perception and ease of swallowing were measured using a visual analog scale, and swallow physiology by surface electromyography and cervical auscultation. The auditory verbal cues had significant effects on flavor and ease of swallowing as well as on swallow physiology. The taste score significantly increased when the participant’s anticipation was primed by accurate auditory verbal cues, while the ease of swallowing score significantly decreased when the anticipation was contradicted. Regardless of age, the maximum suprahyoid muscle activity significantly decreased when a beverage was ingested without auditory verbal cues. These results suggest that auditory verbal cues can improve the perceived flavor of beverages and swallow physiology.
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