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Exercise is endorsed for its physiological and psychological benefits, and has been proposed to have positive effects on impression formation. To test this proposal, 62 female and 44 male college students read one of three brief descriptions of either a fictitious male or female “target” student. The descriptions varied only in exercise level: no exercise; moderate exercise and intensive exercise...
The Power of Food Scale (PFS) is a new measure that assesses the drive to consume highly palatable food in an obesogenic food environment. The data reported in this investigation evaluate whether the PFS moderates state cravings, control beliefs, and brain networks of older, obese adults following either a short-term post-absorptive state, in which participants were only allowed to consume water,...
Considering that lactate is known to interact with central glucose-sensing networks, we tested whether hyperlactatemia affects food intake in humans. According to a balanced within-subject 2×2 design, 12 healthy, fasted men (age: 20–40years; BMI: 20–26kg/m 2 ) were intravenously infused lactate and saline, respectively, for 105min during concomitant euglycemic and hypoglycemic, respectively,...
Adherence to a vegetarian diet has been hypothesized to be a factor in the onset and maintenance of disordered eating behavior; however, evidence to support this assumption has been largely mixed. The two studies presented here sought to address the causes of inconsistent findings in previous research, including: small samples of true vegetarians, lack of appropriate operational definitions of “vegetarianism”,...
People who are obese and want to lose weight without surgery deserve the best treatment that we can offer. In the absence of robust and enduring treatment effects for psychological interventions for obesity, it is useful to return to first principles. From a behavioural perspective, the first task is to identify the full range of target eating behaviours involved in obesity. Surprisingly, a consensus...
Sensory-specific satiety (SSS) refers to the decrease of pleasure derived from a food with its consumption. In the current study it was examined whether SSS for a specific food can be dishabituated. To this end a total of 40 participants (10 males) received bite sized portions of a test food to repeatedly consume. This typically renders SSS for that food. After such established SSS, the participants...
Various studies have demonstrated an association between implicit measures of attitudes and dietary-related behaviours. However, no study has tested whether implicit measures of attitudes predict dietary behaviour after controlling for explicit measures of palatability. In a prospective design, two studies assessed the validity of measures of implicit attitude (Implicit Association Test, IAT) and...
In this study, we used a validated psychophysical tool, the hedonic general magnitude scale (hedonic gLMS), to examine whether hedonic responsivity after repetitive tasting of a sweet-tasting liquid follows a habituation pattern that is independent of adaptation to the sweet taste at the orosensory level, and whether the pattern of response is different between obese (N=22) and lean (N=32) women....
Obesity in adolescence is a major public health issue. Family relationships have an important role, whether in the onset of the condition, its maintenance, or the way in which the problem is approached. Food and family relationships are two major elements in therapeutic care. The subject of the present study is the investigation of the place of food within family relationships among obese adolescents,...
Binge eating is often preceded by reports of negative affect, but the mechanism by which affect may lead to binge eating is unclear. This study evaluated the effect of negative affect on neural response to anticipation and receipt of palatable food in women with bulimia nervosa (BN) versus healthy controls. We also evaluated connectivity between the amygdala and reward-related brain regions. Females...
Disgust is a core emotion that serves to protect one from engaging in activities that promote contamination and contracting disease. Since disgust is intimately connected to ingesting food, disgust sensitivity is probably also associated with dietary habits. The aim of the present study was to examine the relationship between obesity and disgust and between restraint and disgust. Participants (n=135,...
Individual differences in human food neophobia (the reluctance to try novel foods) and food neophilia (the overt willingness to try novel foods) influence the evaluation of tastes and odors, as well as the sampling of such stimuli. Past research also notes an association of food neophobia to PTC sensitivity, body weight, and cephalic phase salivary response. The present study assessed physiological...
This study compared child-feeding and related practices with child weight status between Chinese-American and non-Hispanic white caregivers who attended three community health centers. Study participants were caregivers of 50 Chinese-American and 108 non-Hispanic white children aged 2–12years who completed a short version of the child feeding questionnaire in English or Chinese. The feeding behaviors...
Higher food consumption, particularly of sweets, has been reported by substance-dependent persons in various stages of treatment but no investigation of substance use and actual food consumption has been conducted in non-dependent persons. Sixty-two male and female college students completed the Core Alcohol and Drug Survey and the amount of each of six snack foods (including both sweet and savory...
This study investigated the effect of fasted and postprandial exercise on appetite, energy intake and resting metabolic responses. Twelve healthy males (mean±SD: age 23±3years, body mass index 22.9±2.1kgm −2 , maximum oxygen uptake 57.5±9.7mLkg −1 min −1 ) performed three 10h experimental trials (control, fasted exercise and postprandial exercise) in a Latin Square design....
To compare the effect of rapid or slow weight loss (WL) on body composition and metabolic risk factors following a caloric restriction. Ten obese, postmenopausal women were matched for total body WL. Dependent variables were: body composition, lipid profile and blood pressure. Both groups decreased obesity measures (all P⩽0.05) while lean body mass decreased in the rapid WL group (P⩽0.05). Significant...
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