The hardness of food plays an important role in food selection behavior in rats

To examine the importance of the hardness of foods, we conducted behavioral and electromyographical experiments in Wistar male rats using three kinds of pellets, a hard commercially made pellet (MF), a hard privately produced pellet (H) and a soft privately produced pellet (S). MF and H had the same...

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Bibliographic Details
Published in:Behavioural brain research 2002-07, Vol.133 (2), p.377-382
Main Authors: Sako, Noritaka, Okamoto, Kaori, Mori, Tomohiko, Yamamoto, Takashi
Format: Article
Language:English
Subjects:
Animal ethology
Animals
Biological and medical sciences
Conditioned food aversion
Conditioning, Operant - drug effects
Diet
Electromyography
EMG
Feeding. Feeding behavior
Food Preferences - psychology
Fundamental and applied biological sciences. Psychology
Hardness
Hardness of foods
Male
Mammalia
Masseter Muscle - physiology
Psychology. Psychoanalysis. Psychiatry
Rats
Rats, Wistar
Selection and ingestion of food
Tensile Strength
Vertebrata
Vertebrates: anatomy and physiology, studies on body, several organs or systems
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Summary:To examine the importance of the hardness of foods, we conducted behavioral and electromyographical experiments in Wistar male rats using three kinds of pellets, a hard commercially made pellet (MF), a hard privately produced pellet (H) and a soft privately produced pellet (S). MF and H had the same hardness but contained different ingredients, and S and H had the same ingredients but different degrees of hardness (S
ISSN:0166-4328
1872-7549
DOI:10.1016/S0166-4328(02)00031-1