| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○カテゴリ (推奨): |
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| ○著者 (必須): | 1. | 岸本 卓大 ([徳島大学.病院.先端歯科医療開発研究プロジェクト]/[徳島大学.病院.中央診療施設等.総合歯科診療部])
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| ○学籍番号 (推奨): | □ | ****
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| 2. | 後藤 崇晴 ([徳島大学.大学院医歯薬学研究部.歯学域.口腔科学部門.臨床歯学系.口腔顎顔面補綴学])
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| 3. | 市川 哲雄
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| ○題名 (必須): | □ | (英) Prefrontal cortex activity induced by periodontal afferent inputs downregulates occlusal force (日)
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| ○要約 (任意): | □ | (英) The prefrontal cortex (PFC) plays an important role in several cognitive functions, such as planning, decision making, and social behavior. We previously reported that periodontal sensory input significantly increases PFC activity during the motor task of maintaining occlusal (biting) force. However, the relationships between periodontal sensation, PFC activity, and the performance of motor tasks have not been evaluated in detail. Therefore, using functional near-infrared spectroscopy, we investigated PFC activity by monitoring changes in cerebral blood flow (CBF) to specific areas of the PFC that corresponded to changes in occlusal force generated during four different biting tasks: (1) occlusion with the central incisor with an interocclusal distance of 5 mm (BI-5 mm); or (2) 10 mm (BI-10 mm); (3) occlusion with the first molars with an interocclusal distance of 5 mm (BM-5 mm), or (4) 10 mm (BM-10 mm). Occlusion of molars generated increased PFC regional CBF as the interocclusal distance decreased (BM-10 mm vs BM-5 mm). No significant differences in CBF during occlusion of incisors were found when comparing 5 mm and 10 mm intercostal distances (BI-5 mm vs BI-10 mm). The mean occlusal force generated by BM-5 mm occlusion was significantly lower than that generated by BM-10 mm occlusion. Taken together, our results suggest that the PFC decreases efferent signaling to motor units, to reduce occlusal force generated when periodontal sensation, which is greater when the interocclusal distance is reduced, is primarily responsible for maintaining occlusal force in the absence of sensations from the temporomandibular joint and muscle spindles. (日)
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| ○キーワード (推奨): | 1. | (英) Adult (日) (読)
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| 2. | (英) Bite Force (日) (読)
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| 3. | (英) Cerebrovascular Circulation (日) (読)
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| 4. | (英) Dental Occlusion (日) (読)
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| 5. | (英) Efferent Pathways (日) (読)
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| 6. | (英) Female (日) (読)
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| 7. | (英) Functional Neuroimaging (日) (読)
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| 8. | (英) Humans (日) (読)
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| 9. | (英) Male (日) (読)
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| 10. | (英) Periodontium (日) (読)
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| 11. | (英) Prefrontal Cortex (日) (読)
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| 12. | (英) Sensation (日) (読)
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| 13. | (英) Spectroscopy, Near-Infrared (日) (読)
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| 14. | (英) Young Adult (日) (読)
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| ○発行所 (推奨): |
| ○誌名 (必須): | □ | Experimental Brain Research ([Springer-Verlag])
(pISSN: 0014-4819, eISSN: 1432-1106)
| ○ISSN (任意): | □ | 1432-1106
ISSN: 0014-4819
(pISSN: 0014-4819, eISSN: 1432-1106) Title: Experimental brain researchTitle(ISO): Exp Brain ResSupplier: Springer Online Journal ArchivePublisher: Springer (NLM Catalog)
(Scopus)
(CrossRef)
(Scopus information is found. [need login]) | [継承] |
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| ○巻 (必須): | □ | 237
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| ○号 (必須): | □ | 11
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| ○頁 (必須): | □ | 2767 2774
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| ○年月日 (必須): | □ | 西暦 2019年 10月 初日 (令和 元年 10月 初日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1007/s00221-019-05630-y (→Scopusで検索)
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| ○PMID (任意): | □ | 31440800 (→Scopusで検索)
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| ○Scopus (任意): | □ | 2-s2.0-85071327486
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| ○備考 (任意): | 1. | (英) Article.ELocationID: 10.1007/s00221-019-05630-y (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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| 3. | (英) KeywordList.Keyword: Functional near-infrared spectroscopy (日)
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| 4. | (英) KeywordList.Keyword: Occlusal force (日)
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| 5. | (英) KeywordList.Keyword: Periodontal afferent inputs (日)
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| 6. | (英) KeywordList.Keyword: Prefrontal cortex (日)
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