Social and Behavioral Sciences Commons^™

Motivational And Physiological Dysregulation Due To Development And Onset Of Obesity Via Melanocortin 4 Receptor +/- Haploinsufficiency, Alex Steiner

Theses and Dissertations

Obesity is one of the leading most health risks around the world, being especially problematic in the United States. A combination of high-fat diets and genetic abnormalities are to blame for the ever-growing number of obese individuals.

Melanocortin 4 receptors are vital for regulating energy expenditure and feeding behaviors; mutations of the receptors have been found to be the leading monogenetic cause of obesity. Using MC4R +/- haploinsufficient rats being fed a range of dietary fat, we investigated the physiological and motivational differences using a locomotor task, an operant task with fixed and progressive ratios, as well as a distraction …

Associations Among Parenting Style And Parental Feeding Practices On Adolescent Self-Efficacy For Diet And Obesity In African American Adolescents, Haylee Loncar

Theses and Dissertations

Previous literature has demonstrated relationships between parenting factors and child health. However, few studies have investigated such associations in African American and adolescent samples. The proposed study aimed to investigate the relationships between parenting factors (parenting style and parental feeding practices), and adolescent self-efficacy for diet, and adolescent body mass index (BMI) in African American families. Baseline data were collected from 241 African American parent- adolescent dyads enrolled in the Families Improving Together (FIT) for Weight Loss trial. Adolescents self-reported their perceptions of their caregiver’s parenting style and feeding practices, as well as perceptions of their own self-efficacy for diet. …