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Regulation of Food Intake

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...

Neural Regulation

Neural Regulation

Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

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,...

Diencephalon: Hypothalamus and Coordination

Diencephalon: Hypothalamus and Coordination

The hypothalamus is a small yet highly complex and essential brain region that plays a crucial role in regulating various bodily functions. Anatomically, it is located at the base of the brain, just above the brainstem and below the thalamus, forming part of the limbic system.
The hypothalamus interacts with other brain regions, including the pituitary gland, through a direct physical connection called the hypothalamic-pituitary axis. The hypothalamus receives somatic and visceral inputs and...

Brainstem: Control Centers of Medulla

Brainstem: Control Centers of Medulla

The medulla oblongata is a crucial part of the brainstem responsible for controlling various autonomic and involuntary functions. It contains several nuclei, including the olivary, cuneate, gracile, and solitary nuclei.
Olivary Nucleus
The olivary nucleus, or inferior olivary nucleus, is located within the ventrolateral part of the medulla oblongata. It is primarily involved in motor coordination and motor learning. The olivary nucleus receives input from the spinal cord, cerebellum, and motor...

Hierarchy of Motor Control

Hierarchy of Motor Control

The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.

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Related Experiment Video

Updated: Jun 8, 2026

Control of Eating Behavior Using a Novel Feedback System

Control of Eating Behavior Using a Novel Feedback System

Published on: May 8, 2018

Central control of feeding.

Kristin A Anderson¹, Anthony R Means

¹Department of Pharmacology and Cancer Biology, Duke University School of Medicine Durham, NC 27710 USA. ander041@mc.duke.edu

F1000 Biology Reports

|October 16, 2010

Summary

Scientists are uncovering new hormones that reduce appetite and exploring how the brain controls eating. Research also sheds light on why the body may resist leptin, a key hormone in weight regulation.

Area of Science:

Neuroscience
Endocrinology
Molecular Biology

Background:

Rising obesity rates in Western countries necessitate understanding appetite control.
Central nervous system regulation of feeding behavior is complex.

Purpose of the Study:

To review recent findings (2006-2008) on appetite control mechanisms.
To highlight novel anorexigenic hormones and hypothalamic pathways.
To discuss insights into leptin resistance.

Main Methods:

Literature review of studies published between 2006 and 2008.
Analysis of research on central appetite regulation.
Synthesis of findings on hypothalamic signaling and leptin resistance.

Main Results:

More Related Videos

The CApillary FEeder Assay Measures Food Intake in Drosophila melanogaster

The CApillary FEeder Assay Measures Food Intake in Drosophila melanogaster

Published on: March 17, 2017

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

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

Related Experiment Videos

Last Updated: Jun 8, 2026

Control of Eating Behavior Using a Novel Feedback System

Control of Eating Behavior Using a Novel Feedback System

Published on: May 8, 2018

The CApillary FEeder Assay Measures Food Intake in Drosophila melanogaster

The CApillary FEeder Assay Measures Food Intake in Drosophila melanogaster

Published on: March 17, 2017

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

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

Identification of novel centrally acting anorexigenic hormones.
Elucidation of complex intracellular signaling pathways in the hypothalamus.
Advancement of understanding regarding leptin resistance.

Conclusions:

Significant progress has been made in understanding the molecular basis of appetite control.
Further research is needed to translate these findings into obesity treatments.