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Expected satiety informs self-selected portion sizes and thereby influences energy intake. At present the extent to which these beliefs are learned remains unclear. In an initial study the proposition that familiarity influences expected satiety was explored. Self-report measures of familiarity, along with other measures such as degree of liking, were collected for wine gums and milk chocolate, together...
Two naturalistic experiments are reported exploring the impact of parental restriction on children’s diets. For study 1, 53 parents gave 75g of chocolate coins to their child over a weekend. For study 2, 86 parents were recruited prior to the 2week Easter break when their children would be receiving chocolate Easter eggs. For both studies, parents were randomly allocated to either the non-restriction...
Clinical studies have found that patients with anorexia develop high activity levels. These data suggest a possible implication of activity in the aetiology of anorexia and are in line with findings obtained in animals during experimental procedures to model interactions between activity and weight loss. Activity-based anorexia (ABA) and semistarvation-induced hyperactivity (SIH) develop when laboratory...
The aim of this study is to investigate associations of family-related factors with children’s fruit drink/juice and soft drink consumption. A cross-sectional survey among 10- to 12-year-old children and their parents in eight European countries was conducted to gather this data. Key variables of interest were children’s self-reported fruit drink/juice and soft drink intake per day (outcome) and family-related...
The aim of this study was to investigate the acceptability of varied food menus, preferred by children of 11–14years located at Puna (3500m.a.s.l.), in young urban people. The children drew “the preferred menu” which showed that the consumption of vegetables as a main course was comfortable when it was consumed in the form of soups and mixed vegetables. However, some imbalances were detected when...
This study investigated the acute influence of exercise on eating behaviour in an ecologically valid setting whereby healthy active males were permitted complete ad libitum access to food. Ten healthy males completed two, 8h trials (exercise and control) in a randomised-crossover design. In the exercise trials participants consumed a breakfast snack and then rested for 1h before undertaking a 60min...
In 1959 Hervey hypothesized that a circulating feedback signal informed the hypothalamus of the size of fat stores and initiated appropriate corrections to energy balance. The hypothesis resulted from a parabiosis study in which one animal became obese following lesioning of the ventromedial hypothalamus. The partner of the lesioned rat was hypophagic and lost a large amount of body fat. Similar results...
There is a growing consensus that our food-rich living environment contributes to rising numbers of people with overweight and obesity. Low-cost, effective intervention tools are needed to facilitate healthy eating behavior, especially when eating away from home. Therefore, we present a field experiment in a restaurant that tested whether providing subtle environmental diet reminders increases low-calorie...
Television watching has been positively associated with overeating and obesity. How popular food-related television shows affects eating behavior has not been examined. An experimental study was conducted to examine how exposure to a food-related television program affects amount and type of food consumed in adults (N=80). Participants were randomized to watch a cooking or nature television program...
Recent changes in nutrition standards for the National School Lunch and School Breakfast Programs assume that modification of the nutritional serving practices of school cafeterias will result in improved childhood nutrition in the school environment. The primary aim of this paper is to summarize the findings from two recent cluster randomized controlled trials (Wise Mind and LA Health) that tested...
We have previously reported that a moderately high fat diet increases motivation for sucrose in adult rats. In this study, we tested the motivational, neurochemical, and metabolic effects of the high fat diet in male rats transitioning through puberty, during 5–8weeks of age. We observed that the high fat diet increased motivated responding for sucrose, which was independent of either metabolic changes...
This paper is an introduction to the papers by Hervey and Harris that describe their experimental use of parabiosis in rats and mice to search for circulating lipostatic signals. Beginning in 1959 with Hervey’s foundational paper, they detected three parabiotic signals: the Hervey signal decreases food intake and fat mass in rats; the antilipogenic factor (ALF) decreased fat mass, but not food intake...
The roles of taste and astringent properties, food choice motives and health concerns in liking of bilberry and crowberry samples were studied using a sensory panel prescreened for the hTAS2R38 taste receptor genotype. The subjects rated the intensity of sourness, bitterness and two astringent properties (soft, velvety and rough, puckering) of all berry samples. They also scored the liking of juice...
This paper is partly a brief academic autobiography. It begins in 1942 when I volunteered for lifesaving research for the Royal Navy. This brought me to a Department headed by a very unusual Professor, R.A. McCance, an eccentric and a polymath. I have tried to say something about him and the Department. After the war, McCance gave me the Ph.D. project: The Effect of Ventromedial Lesions in the Hypothalamus...
This study examined the potential role of psychological symptoms in limiting the translation of positive intention into strict gluten free diet (GFD) adherence in coeliac disease (CD) within a theory of planned behaviour (TPB) framework. It was hypothesised that participants with more symptomatic psychological profiles would exhibit poorer adherence, primarily in the context of positive intentions...
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