Sudden departures from a known baseline that mark a moment of significance.
A composed person grows still and quiet the instant a particular name is mentioned. The sharp break from their usual manner marks that name as something that matters.
Mark the exact moment a spike occurs, since it points to what truly matters to the person. The trigger that sets off a sudden change is usually the thing worth paying attention to.
A spike shows significance, not its cause, so further enquiry is needed. A strong reaction to a name could mean affection, fear or grief, and the spike alone cannot say which.
The escape of true feeling through small signals despite efforts to conceal it.
ExploreA flash of pleasure that can appear when a person believes a deception is succeeding.
ExploreSignals that a person is thinking hard, such as pauses, gaze aversion and slowed gestures.
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