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Related Concept Videos

Regulation of Food Intake01:30

Regulation of Food Intake

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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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Bulimia Nervosa01:30

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Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
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Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
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Anorexia Nervosa01:28

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Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
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Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
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Neural Regulation01:37

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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.
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Related Experiment Video

Updated: Oct 3, 2025

Control of Eating Behavior Using a Novel Feedback System
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Neuromodulation and Eating Disorders.

L Gallop1, M Flynn1, I C Campbell1

  • 1Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, King's College London, Psychology & Neuroscience, London, UK.

Current Psychiatry Reports
|February 18, 2022
PubMed
Summary
This summary is machine-generated.

Neuromodulation techniques like transcranial magnetic stimulation (TMS) and deep brain stimulation (DBS) show promise for treating severe eating disorders (EDs). More research is needed to confirm their effectiveness and understand how they work.

Keywords:
Anorexia nervosaBrain stimulationEating disordersNeuromodulationTranscranial direct current stimulationTranscranial magnetic stimulation

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Medical Technology

Background:

  • Eating disorders (EDs) encompass anorexia nervosa, bulimia nervosa, and binge eating disorder.
  • Current treatment options for severe and enduring EDs are limited.
  • Neuromodulation offers novel therapeutic avenues for these complex conditions.

Purpose of the Study:

  • To review current evidence on neuromodulation for treating EDs.
  • To evaluate non-invasive (rTMS, tDCS), electroconvulsive therapy (ECT), and invasive (DBS) brain stimulation methods.
  • To identify gaps in research and future directions for neuromodulation in ED treatment.

Main Methods:

  • Systematic review of recent studies on neuromodulation for EDs.
  • Analysis of clinical applications of transcranial magnetic stimulation (rTMS), transcranial direct current stimulation (tDCS), electroconvulsive therapy (ECT), and deep brain stimulation (DBS).
  • Focus on case studies, case series, and small clinical trials, particularly in severe anorexia nervosa.

Main Results:

  • Most evidence comes from limited case studies and small trials, primarily in severe anorexia nervosa.
  • Repetitive transcranial magnetic stimulation (rTMS) and deep brain stimulation (DBS) show therapeutic potential, safety, and acceptability in severe AN.
  • Data on tDCS and ECT for EDs are less extensive.

Conclusions:

  • Neuromodulation, particularly rTMS and DBS, holds promise for treatment-resistant EDs.
  • High-quality clinical trials are essential to explore various stimulation parameters, techniques, and applications (stand-alone vs. adjunctive).
  • Further research is needed to elucidate the mechanisms of action for neuromodulation in EDs.