Eating is a fundamental motivated behavior driven by the biological need for survival. The regulation of hunger and eating involves complex physiological mechanisms. However, this behavior is not solely biological; it is also significantly shaped by powerful social, cultural, and economic influences. Understanding eating behavior requires examining both the physiological processes and the external factors that affect it, as well as the adverse consequences of disordered eating.

Hunger and Eating as a Motivated Behavior

The most fundamental level of Maslow's hierarchy, physiological needs are the basic requirements for human survival. These include the need for food, water, shelter, warmth, and rest.

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Motivational theory in psychology comprises a five-tier model of human needs, often depicted as a hierarchical levels within a pyramid. Needs lower down in the hierarchy must be satisfied before individuals can attend to needs higher up.

Maslow's Hierarchy of Needs

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Maslow, A. H. (1943). A theory of human motivation. Psychological review, 50(4), 370.

A theory of human motivation.

Physiological Needs

A core principle of Maslow's theory is that lower-level needs take precedence. For instance, an individual struggling to find enough food to satisfy their physiological hunger is unlikely to focus on higher-level social or esteem needs, such as how others perceive them. Their primary motivation and energy will be directed toward meeting the fundamental need for nutrition.

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