GPN Newsroom
Torn Between Suspects: Narrowing Down Theft Allegations With Lie Detector Exams
Uncover how lie detector exams help narrow theft suspects, validate witness statements, & the truth in personal or family theft investigations.
How P300 Brainwaves Reveal the Truth in Lie Detection
Explore how the P300 brainwave measured by EEG may enhance polygraph accuracy, revealing concealed knowledge without directly detecting lies.
How Video Documentation Supports Transparency in Lie Detection
Learn how video documentation enhances polygraph accuracy, preserves admissions, ensures quality control, and captures subtle cues during lie detector tests.
Othello Syndrome In Forensic Psychology: Can Polygraphs Provide Clarity?
Learn how polygraph tests can help manage Othello syndrome, clear cheating doubts, and restore trust in relationships with professional guidance.
The Paradox of Polygraphs: Why Guilty Are Caught But the Innocent Aren’t Freed
Polygraphs often convict the guilty—but why aren’t inmates allowed the same chance to prove innocence? Explore justice, fairness, and reform.
From Doubt to Agreement: Communication Tactics for Securing a Voluntary Test
Learn effective communication strategies to secure voluntary lie detector test consent ethically—without coercion, using tact, trust, and persuasion.
Reading Beyond the Charts Using DISC Theory in Polygraph Examinations
Learn how William Marston’s DISC theory can guide polygraph examiners to improve question design and interpret results more accurately.
Untangling Truth From Fiction: What Brain Activity Reveals About Deception
Uncover how brain activity and the autonomic nervous system reveal deception, & learn how polygraph tests detect lies through physiological responses.
The Truth About Xanax and Polygraph Accuracy
Learn if Xanax affects polygraph accuracy, how lie detector tests detect countermeasures, and why using the drug won’t guarantee passing.