Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...

Endoscopic Procedures II: Colonoscopy

Endoscopic Procedures II: Colonoscopy

The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...

Endoscopic Procedures III: Video Capsule Endoscopy

Endoscopic Procedures III: Video Capsule Endoscopy

Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...

Endoscopic Procedures I: Esophagogastroduodenoscopy

Endoscopic Procedures I: Esophagogastroduodenoscopy

An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

How Does Artificial Intelligence-Assisted Endoscopy Impact Upper Gastrointestinal Screening?

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society·2026

Same author

Review Article: Implementation Challenges in Helicobacter pylori Management: Bridging Evidence and Real-World Practice.

Alimentary pharmacology & therapeutics·2026

Same author

Simulation-to-Real Trip-Fall Detection with Continuous-Wave Doppler Radar via Physics-Informed Kinematic Modeling and Domain Randomization.

Sensors (Basel, Switzerland)·2026

Same author

Generative chromoendoscopy for gastric neoplasms: a multicenter prospective study.

Endoscopy·2026

Same author

Cost-Effectiveness of Colonoscopy for Screening: What Matters Most?

Gut and liver·2026

Same author

Comparable Risk of Barrett's Adenocarcinoma Between Japanese Patients With Long-Segment Barrett's Esophagus and Western Populations.

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society·2026

Search research articles

Related Experiment Video

Updated: Mar 24, 2026

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

Published on: July 11, 2025

Impact of Computer-Aided Detection on Endoscopist's Gaze-Shift Distance During Colonoscopy: a Randomized Controlled

Shun Ito^1,2, Fumiaki Ishibashi^1,2, Kosuke Okusa³

¹Department of Gastroenterology, International University of Health and Welfare Ichikawa Hospital, Chiba, Japan.

Journal of Gastroenterology and Hepatology

|March 22, 2026

Summary

This summary is machine-generated.

Computer-aided detection (CADe) did not significantly alter overall endoscopist gaze-shift distance during colonoscopy. However, CADe reduced gaze-shift distance and eye strain in experienced endoscopists, suggesting potential benefits based on experience.

Keywords:

adenoma artificial intelligence colonoscopy colorectal polyp eye tracking

More Related Videos

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Published on: October 16, 2013

Related Experiment Videos

Last Updated: Mar 24, 2026

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

Published on: July 11, 2025

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Published on: October 16, 2013

Area of Science:

Gastroenterology
Medical Imaging
Human Factors Engineering

Background:

Computer-aided detection (CADe) aids colorectal lesion identification.
Its impact on endoscopist eye strain via gaze pattern alteration is not well understood.

Purpose of the Study:

To evaluate if CADe-assisted colonoscopy reduces endoscopist gaze-shift distance compared to conventional colonoscopy.
To assess the influence of CADe experience on gaze patterns and eye strain.

Main Methods:

A single-center randomized controlled trial compared CADe-first versus conventional-first colonoscopy observation sequences.
Eye-tracking systems recorded gaze positions; gaze-shift distance and visual analog scale (VAS) scores for eye strain were primary and secondary endpoints.

Main Results:

No significant difference in overall gaze-shift distance between CADe-assisted and conventional colonoscopy.
CADe-experienced endoscopists showed significantly reduced gaze-shift distance with CADe.
CADe-assisted colonoscopy resulted in significantly lower VAS scores for eye strain.

Conclusions:

CADe assistance does not universally alter gaze-shift distance in colonoscopy.
CADe may reduce gaze-shift distance and eye strain in endoscopists with prior CADe experience.
The benefits of CADe in reducing eye strain appear dependent on endoscopist experience.