Effect of dietary environment in weaning period on feeding behavior and functional development
| Project/Area Number |
24792304
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Orthodontic/Pediatric dentistry
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| Research Institution | Showa University |
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Principal Investigator |
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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 |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | 自閉症 / 疾患モデルラット / 摂食行動 / 離乳期 / 動物実験 |
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| Outline of Final Research Achievements |
This study aimed to identify the change and process of these characteristics in childhood, hence, the feeding behavior of autism-model rat pups were examined through the weaning period (from 11th postnatal day to 25th). As a result, the number of contacts and the average number of meals ingested together of the two autism-model rats group showed lower numbers significantly compared with the group of healthy rats. In addition, we measured the amount of food intake in daytime and night-time. The results showed that the amount of food intake of night-time in the group of healthy rats significantly greater than the amount of daytime. However, there was no significant difference between the amount of food intake of daytime and night-time in the group of autism-model rat pups. These findings indicate that the rat pup models of autism displayed some characteristic feeding behaviors and the circadian variation in feeding behaviour could be different between the autism-model rats.
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Report
(4 results)
Research Products
(18 results)
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[Book] 医歯薬出版2014
Author(s)
田角勝、向井美惠、弘中祥司、大岡貴史
Total Pages
359
Publisher
小児の摂食・嚥下リハビリテーション第2版
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