They Said They Liked you..But Their Body Language Said "Nope" | @JayShettyPodcast.

Vanessa Van EdwardsAbout 2 min readJun 8, 2025Watch original
THE SUMMARYAI-generated

Key Concepts:

  • Cues of Inauthenticity: Discrepancies between verbal and non-verbal communication that indicate potential deception.
  • Incongruence: The state of not matching or agreeing; in lie detection, it refers to a mismatch between what someone says and what their body language conveys.
  • Lie Detection: The process of identifying behaviors and patterns that suggest someone is being untruthful.

Cues of Inauthenticity: The Core of Lie Detection

The central idea is that liars exhibit "cues of inauthenticity," which are defined as mismatches between verbal and non-verbal communication. Science of People focuses on identifying these cues to detect deception. The fundamental principle is that when someone is lying, their words and body language often contradict each other.

Incongruence: The Key Indicator

Incongruence is highlighted as the primary indicator of potential deception. It means that a person's words don't align with their body language or emotional expression.

Examples of Incongruence

  • Nodding vs. Shaking Head: The example of saying "yes" while shaking the head "no," or vice versa, is used to illustrate incongruence. This is demonstrated in a lab game where participants are asked to state two truths and a lie.
  • Verbal vs. Emotional Expression: Saying "I'm happy" without displaying genuine happiness is another example. The speaker emphasizes that liars often fail to convincingly express the emotions they claim to be feeling.

Real-World Application: Dating

The concept of incongruence is applied to the context of dating. When someone expresses their passions, values, or love, and the other person responds with a lukewarm "Oh, that's nice," it can be a sign of incongruence. The speaker suggests that our intuition often picks up on these discrepancies, even if we don't consciously recognize them. The body senses that the response doesn't match the sentiment expressed.

Detecting Incongruent Cues

The main takeaway is to actively look for incongruent cues as clues that someone may not be expressing their true feelings. This involves paying attention to both what someone says and how they say it, noting any discrepancies between their words and their body language.

Conclusion

The ability to detect lies hinges on recognizing cues of inauthenticity, specifically incongruence between verbal and non-verbal communication. By paying close attention to these mismatches, one can gain insight into whether someone is being truthful or deceptive, particularly in social interactions like dating.

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