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Related Concept Videos

Regulation of Food Intake01:30

Regulation 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...
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Related Experiment Video

Updated: Jun 21, 2026

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats
08:07

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Published on: August 24, 2016

Deductive functional assignment of elements in appetite regulation.

Dirk Langemann1, Achim Peters

  • 1Institute of Mathematics, University of Lübeck, 23560 Lübeck, Germany. langeman@math.uni-luebeck.de

Journal of Biological Physics
|August 12, 2009
PubMed
Summary
This summary is machine-generated.

This study models energy transport and appetite regulation, revealing key factors like body-to-brain signals and brain energy levels. These findings explain cyclic feeding behaviors and align with physiological observations in neural development.

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Control of Eating Behavior Using a Novel Feedback System
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Last Updated: Jun 21, 2026

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats
08:07

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats

Published on: August 24, 2016

Combining Quantitative Food-intake Assays and Forcibly Activating Neurons to Study Appetite in Drosophila
07:24

Combining Quantitative Food-intake Assays and Forcibly Activating Neurons to Study Appetite in Drosophila

Published on: April 24, 2018

Control of Eating Behavior Using a Novel Feedback System
04:48

Control of Eating Behavior Using a Novel Feedback System

Published on: May 8, 2018

Area of Science:

  • Physiology
  • Mathematical Modeling
  • Neuroscience

Background:

  • Appetite regulation is complex, involving energy transport between the body and brain.
  • Cyclic food intake suggests underlying regulatory mechanisms that are not fully understood.

Purpose of the Study:

  • To develop a simple mathematical model for energy transport and appetite regulation.
  • To deduce specific properties of appetite regulation from observed cyclic feeding patterns.

Main Methods:

  • Mathematical modeling of energy transport from body to brain.
  • Deductive analysis of appetite regulation properties based on cyclic food intake.
  • Comparison of model predictions with physiological observations.

Main Results:

  • Identified the importance of a 'push' component in body-to-brain energy transport.
  • Demonstrated appetite activation dependence on brain energy supply and its sensitivity.
  • Correlated model properties with postnatal development of neuropeptide Y (NPY) and pro-opiomelanocortin (POMC) neuron projections.

Conclusions:

  • The model successfully explains cyclic feeding behavior and aligns with physiological data.
  • The findings support the role of both 'pull' and 'push' components in energy transport and appetite control.
  • The study validates the use of deductive functional assignment in understanding biological systems.