Micro-Expressions
This type of genuine smile uses both the mouth muscles and the muscles around the eyes.
What is a Duchenne smile?
Before you can tell if someone is lying, you must observe how they act when relaxed, which is called establishing a...
What is a baseline?
When an AI chatbot confidently states a made-up fact as if it were true, scientists call it this.
What is a hallucination?
Changing a phrase from "my bike" to "the bike" when explaining an incident is an example of this.
What is distancing language?
The myth that liars will never look you in the eyes is false because many liars do this to overcompensate.
What is make rigid/intense eye contact?
A micro-expression lasts for less than this fraction of a second.
What is half a second (or 0.5 seconds)?
Touching your neck, rubbing your hands, or twirling your hair to calm down under stress are called these behaviors.
What are self-soothing (or pacifying) behaviors?
AI image generators often struggle to render this body part correctly, frequently giving characters 6 of them.
What are hands (or fingers)?
Phrases like "To be completely honest with you" or "On my mother's life" are red flags used for this purpose.
What is over-convincing (or trying too hard to sound truthful)?
Looking up and to the left does not mean you're lying; it usually just means your brain is doing this.
What is searching for a memory (or thinking hard)?
If someone's eyebrows pull down and together and their lips squeeze into a thin line, they are hiding this emotion.
What is anger?
Holding a backpack or binder across your chest when asked a tough question is an example of this type of behavior.
What is a barrier behavior?
In AI-generated photos, straight lines in the background (like fence posts or doorframes) often look like this near the person.
What is warped, bent, or melted?
Repeating the exact question back to the interviewer ("Did I take the money?") is usually a tactic to buy time, known as...
What is stalling?
Polygraph machines don't actually read lies; they measure physiological stress markers like heart rate and this.
What is sweating (or breathing)?
Micro-expressions are different from regular expressions because they are involuntary, meaning you cannot do this to them.
What is control (or fake) them?
True or False: Fidgeting or crossing your arms always means someone is lying.
What is False? (It often just means cold, nervous, or tired).
Unlike humans, AI models don't lie to trick you; they give wrong answers because they rely on this mathematical concept instead of actual truth.
What is pattern matching (or probability)?
A red flag occurs when a speaker starts telling a story in the past tense ("I walked in...") and suddenly switches to this tense.
What is present tense ("...so then I see him...")?
Studies show that without training, the average human can spot a lie at a rate barely better than a coin flip, which is about this percentage.
What is 50% to 54%?
Dr. Paul Ekman proved that the 6 primary micro-expressions are universal, meaning people all over the world do this.
What is show the exact same facial expressions for emotions?
When a quiet person suddenly talks very loudly and fast under questioning, they have shown a change from their baseline known as a...
What is a behavioral deviation (or shift)?
Asymmetrical glasses frames, mismatched earrings, or extra teeth are visual glitches commonly found in these AI-created media items.
What are deepfakes (or AI-generated images)?
Deceivers often leave out personal pronouns like "I" or "we" in order to do this psychologically.
What is detach (or distance) themselves from the story?
Polygraph test results are rarely allowed as evidence in courtrooms mainly because of this major flaw.
What is innocent people can fail (due to fear) and calm liars can pass?