Related Experiment Video
Updated: Jul 11, 2026
12:09
Studying Food Reward and Motivation in Humans
Published on: March 19, 2014
Summary
Predicting food acceptance in military personnel is possible using psychological and nutritional factors. Food preferences, perceived fullness, and nutrient content (fat, protein) explain most of the variation in food selection.
Area of Science:
- Food Science
- Nutritional Science
- Psychology
Background:
- Understanding factors influencing food acceptance is crucial for optimizing dietary intake, particularly in institutional settings like the military.
- Previous research has explored various predictors of food choice, but a comprehensive model integrating psychological and nutritional aspects is needed.
Purpose of the Study:
- To identify efficient psychological and nutritional measures for predicting food acceptance.
- To determine the extent to which these measures can predict the selection of foods by military personnel.
Main Methods:
- The study assessed food preferences, subjective satiety ratings, and the macronutrient content (fat, protein) of various foods.
- Data were collected from enlisted military personnel regarding their food choices at serving tables.
Main Results:
- Approximately 75% of the variation in the percentage of personnel selecting foods was predictable.
- Key predictors included individual food preferences, the subjective feeling of satiety induced by the food, and its fat and protein content.
Conclusions:
- Psychological factors (preferences, satiety) combined with nutritional information (fat, protein content) provide a robust framework for predicting food acceptance.
- These findings can inform strategies for improving food selection and dietary quality within military populations.
Related Concept Videos
01:30Regulation of Food Intake
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
00:48Optimal Foraging
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
02:16Self-Schemas
In general, a schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
01:20Evolutionary Psychology
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the human psyche...
01:31Confirmation Biases
The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias?
01:29Assessment of the Gastrointestinal System II: Health Perception Pattern
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include: