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Body language is surrounded by pop-psychology myths. Here are the most common ones, corrected with what research actually shows.

Myth 1: "Crossed Arms Means Defensive"

Reality: Crossed arms can indicate comfort, cold temperature, habit, or simply a resting position. Only interpret crossed arms as defensive when combined with other signals (turned-away torso, lack of eye contact, compressed posture).

Myth 2: "Liars Avoid Eye Contact"

Reality: Research shows that liars often increase eye contact because they know people expect avoidance. Practiced liars maintain steady eye contact. Some truthful people avoid eye contact due to anxiety, neurodivergence, or cultural norms.

Myth 3: "Left Means Lying, Right Means Remembering"

Reality: The NLP eye-accessing model has not been reliably validated in controlled studies. While some practitioners find it useful for rapport-building, it should never be used as a lie detection tool.

Myth 4: "Body Language is 93% of Communication"

Reality: This is a misquotation of Albert Mehrabian's research, which specifically studied communication of feelings and attitudes about single words. In normal conversation, words carry significant meaning. The actual ratio depends heavily on context.

Myth 5: "Touching Your Nose Means You're Lying"

Reality: Nose-touching increases with allergies, dry air, nervousness, and cognitive load. It is not a reliable indicator of deception on its own. Always look for clusters.

Myth 6: "Micro Expressions Tell You Exactly What Someone Feels"

Reality: Micro expressions indicate a suppressed emotion, but you still need context to understand why. Someone might suppress happiness at bad news out of empathy, not malice.

Myth 7: "Power Poses Boost Testosterone"

Reality: The original 2010 power pose study has not been reliably replicated for hormonal changes. However, expansive postures do appear to influence self-reported confidence and willingness to take risks.

The Golden Rule

No single body language signal means anything in isolation. Always observe clusters, establish baselines, consider context, and remain curious rather than certain.