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Hunger
Hunger is a psychological state characterized by a desire to eat (Stevenson, 2024). It strongly motivates an individual to seek out and consume food. Initially, researchers believed that it occurs…
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Encyclopedia of Nutritional Psychology
Explore clear, research-informed definitions of key concepts connecting nutrition, mental health, behavior, and psychological well-being.
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About the ENP
A trusted guide to nutritional psychology terminology
Nutritional psychology examines how dietary patterns, nutrients, food-related behaviors, and psychological factors interact with mental health and well-being. Launched by the Center for Nutritional Psychology in 2024, the Encyclopedia of Nutritional Psychology defines the terms, mechanisms, processes, and research areas shaping this growing field.
Created for students, educators, researchers, healthcare professionals, and curious readers, the ENP includes hundreds of clear, research-informed entries. Content is written and regularly updated by contributors across relevant scientific disciplines, with new entries and major revisions reviewed by the CNP Encyclopedia Editorial Board before publication.
The encyclopedia helps readers understand terminology and foundational concepts. For deeper exploration of the studies behind those concepts, visit the Nutritional Psychology Research Library .
Encyclopedia entries
Select a term to read its definition and supporting context.
Hunger hormones
Hunger hormones stimulate appetite and the desire to eat. Ghrelin is a notable example of a hunger hormone.
Hyper-palatable foods (HPFs)
Hyper-palatable foods (HPFs) are food categories distinguished by their highly pleasurable taste and sensory appeal, attributed to their elevated levels of fat, sodium, simple sugars, and carbohydrates. These components contribute…
Hyperandrogenism
A condition in which there is an excess of androgens (male sex hormones such as testosterone) in females. It can cause symptoms like excess hair growth, acne, scalp hair thinning,…
Hypothalamic-Pituitary-Adrenal (HPA) Axis
The hypothalamic-pituitary-adrenal (HPA) axis is the primary neuroendocrine system in the human body that regulates stress response mechanisms (DeMorrow, 2018). It represents the interaction of the hypothalamus with the pituitary…
Hypothalamus
The hypothalamus is a region deep within the brain that serves as the body's control center for maintaining homeostasis. It regulates various physiological processes, including appetite and energy balance, making…
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Academic oversight
Editorial Board
Meet the editors and subject specialists supporting the Encyclopedia of Nutritional Psychology.
Executive and Associate Editors
Co-Principal Editors
Ephi Morphew-Lu
The Center for Nutritional Psychology
Shereen Behairy
The Center for Nutritional Psychology
Associate Editors
Nabila Pervaiz
The Center for Nutritional Psychology
Technical Support
Tahir Yasin
The Center for Nutritional Psychology
Subject Editors
Neurodevelopmental Disorders and Child Psychology
Dr. Vishruti Patel, PsyD
Clinical Psychology
Psychology
Dr. Vladimir Hedrih, PhD
University of Niš, Faculty of Philosophy, Department of Psychology
Nutritional Immunology
Dr. Emilia Vassiloupoulou, PhD, BSc
Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece and Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20122 Milan, Italy
Nutrition and Dietetics
Eileen Santana RD, CDN
The Center for Nutritional Psychology
