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by Francesca-Giulia Mereu Published May 6, 2026 in Brain Circuits • 3 min read
What research shows: This statistic wildly misquotes Mehrabian’s seminal 1967 study, which only applied to inconsistent emotional messages using single words such as “maybe.” For factual content, words carry most meaning.
Seed of truth: Nonverbal cues do matter for emotional expression. Virtually, we compensate with verbal clarity, tone and repetition.
What research shows: When observed on slow-motion video, it is possible to detect micro-expressions and changes in voice and body language, but this isn’t evidence of guilt; merely a sign of uneasiness. According to research in Psychology, Crime & Law, accuracy here is no more than 54%, or coin-toss territory. Virtual settings compress and distort movements, so that flash of anger might be an unrelated response.
Seed of truth: We can train ourselves to observe body-language cues and spot brief expressions (lasting at least three seconds), but our observations are only meaningful if we notice the coherence between words, voice, and body language.
What research shows: When we feel insecure or impatient, we might show some of these behaviors – but correlation is not causality. We also fidget when bored, cold, thinking, or caffeinated. In a virtual setting, we only see people from the shoulders up.
Seed of truth: Stress creates tension, but levels of stress depend on the individual’s baseline – some move more; others are more composed. A “poker face” can be cultivated, so you need a cluster of behaviors, repeated consistently, to infer underlying attitudes.
What research shows: In a 2023 survey of deception experts, over 80% agreed that liars and truth-tellers do not differ in gaze-aversion, and cultural norms vary wildly. In virtual settings, people look at their face, the chat, or wonder if the camera makes their nose look big.
Seed of truth: Nervousness affects gaze – but can signal anxiety, fatigue, neurodivergence, or unstable WiFi. Without a baseline, a single instance of “off” behavior means little (unless it’s an obvious one that is easy to interpret, such as shouting or crying).
What research shows: Hesitation signals cognitive load (i.e. mental effort), not evasiveness. As lying becomes more mentally demanding, liars hesitate more than truth-tellers, but truth-tellers also hesitate when retrieving complex memories. In a virtual setting audio lag, a foreign language, or multitasking might be the culprits.
Seed of truth: Cognitive load affects speech, but the reasons need to be investigated. Is this hesitation simply this person’s norm?
Myths persist because they feel intuitive. When it comes to body language, there’s no simple equation. The real question – especially in virtual meetings – is not, “Can I spot insincerity?” but “How can I build trust to reduce misunderstanding?” Next time you try to read someone’s behavior, follow these simple rules:
Executive coach
Francesca–Giulia Mereu is an executive coach with over 25 years’ experience, specializing in personal energy management and leadership transition. She is the author of Recharge Your Batteries, a certified yoga teacher, and creator of the popular “Energy Check” online tool. She coaches senior leaders at IMD and through CCHN, the Center of Competence on Humanitarian Negotiation. She shares more energy-focused posts via her LinkedIn private group.
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