Do you really know? How can I spot a liar?
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Nov 29, 2025 Delve into the psychology of lying and discover why people do it, from avoiding trouble to self-presentation. Uncover verbal clues like inconsistencies and vagueness that signal deception. Learn about non-verbal signs, such as body language and gaze changes that might give liars away. Explore the physiological changes that occur during a lie, like increased heart rate and pupil dilation. Gain tips on detecting liars by asking open questions and comparing behaviors to establish a baseline.
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Lying Creates Cognitive Conflict
- Lying creates a conflict between the truth and the falsehood that raises cognitive load and stress.
- This internal clash explains many behavioral and physiological signs associated with deception.
Verbal Clues Of Deception
- Verbal signs include contradictions, vagueness, avoidance and defensive reactions when challenged.
- Speech errors like stuttering, pausing, repeating or correcting themselves often accompany deception.
Nonverbal Inconsistencies Matter
- Non-verbal cues can be inconsistent with content, such as mismatched facial expressions or unusual eye contact.
- Changes in gesture frequency and tense body language often signal discomfort or deception.