GPN Newsroom

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.

Why Pathological Liars Keep Spinning Stories
Learn why people lie, from avoiding punishment to pathological lying, and discover how polygraph tests detect deception in habitual and compulsive liars.

Are Lie Detector Tests and Science a Reliable Ally for Abuse Victims?
When it comes to abuse, a lot of people who never speak up are simply afraid of not being believed. Unless there’s camera footage or witnesses, how do you prove you’re telling the truth?