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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...
Hormonal Regulation01:40

Hormonal Regulation

Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
Regulation of Hormone Secretion01:19

Regulation of Hormone Secretion

Regulation of hormone secretion is a finely tuned orchestration driven by various types of stimuli, encompassing neural, humoral, and hormonal signals. Environmental cues instigate neural stimuli, where action potentials traverse nerve fibers to reach their designated targets. An illustrative scenario is the body's response to stress, wherein the sympathetic nervous system releases epinephrine from the adrenal glands, inducing the well-known 'fight or flight' reaction.
Humoral stimuli,...
Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
Feedback Loops01:01

Feedback Loops

In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.
Regulation of Metabolism01:19

Regulation of Metabolism

Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...

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Updated: Jul 4, 2026

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

Endocrine modulation of macronutrient self‑selection in feeding behavior.

Shinji Nagata1

  • 1Department of Integrated Biosciences, Graduate School of Frontier Sciences, the University of Tokyo, Kashiwa, Chiba, 277-8562, Japan.

Current Opinion in Insect Science
|July 2, 2026
PubMed
Summary
This summary is machine-generated.

Understanding insect feeding involves mechanical and nutritional controls. Crickets demonstrate nutrient self-selection, crucial for growth, with research focusing on neural circuits and endocrine signals influencing foraging behavior.

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Last Updated: Jul 4, 2026

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Area of Science:

  • Neuroethology
  • Insect Physiology
  • Behavioral Ecology

Background:

  • Insect feeding behavior is regulated by two systems: mechanical control of motor programs and nutritional control involving nutrient sensing and endocrine signaling.
  • Nutrient self-selection is vital for omnivores like crickets to ensure proper growth and development.

Purpose of the Study:

  • To investigate the neural circuits governing insect feeding behavior, specifically the brain-suboesophageal ganglion-frontal ganglion axis.
  • To explore how endocrine signals modulate motor patterns and motivational states in foraging and self-selective feeding.

Main Methods:

  • Dissection and analysis of neural circuits involved in feeding control.
  • Investigation of nutrient sensing and endocrine signaling pathways.

Main Results:

  • Identification of key neural pathways (brain-suboesophageal ganglion-frontal ganglion axis) regulating feeding.
  • Demonstration of endocrine signal influence on motor patterns and foraging motivation.

Conclusions:

  • Insect feeding behavior is a complex interplay between mechanical and nutritional control systems.
  • Further research into these neural and endocrine mechanisms can elucidate the principles of self-selective feeding in omnivores.