Emotions Revealed
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Emotions Revealed

Paul Ekman

4.21346 learners

From pioneering cross-cultural fieldwork with isolated Papua New Guinea tribes to the creation of the revolutionary Facial Action Coding System (FACS), Paul Ekman’s *Emotions Revealed* lays bare the science of human emotions. Ekman challenges the long-held belief that emotional expressions are culturally learned, instead proving that seven core emotions—joy, sadness, anger, fear, disgust, contempt, and surprise—have universal, biologically rooted facial signals. He introduces the "display rule" theory to explain cultural variations in emotional expression, showing how societies shape when and how we show our feelings. The book breaks down each core emotion’s physical cues, from fleeting microexpressions to full-blown facial displays, and includes practical tests to help readers sharpen their emotion recognition skills. Whether you’re looking to understand your own emotional triggers or decode others’ hidden feelings, this work offers evidence-based insights to boost empathy, improve communication, and navigate social interactions with greater clarity.

Emotional TriggersmicroexpressionsDuchenne smileFacial Action Coding System (FACS)core emotions
Concept

What’s Baseline Expression?

Your baseline expression is your usual facial state when not feeling strong emotions. It’s key to spotting microexpressions—look for changes from this baseline.

Baseline ExpressionEmotion DetectionFacial Cues
Scenario

Siri's Brain Modification

Siri Keeton had half his temporal lobe removed as a kid for epilepsy. Now he’s a synthesist—he reads emotions via microexpressions but can’t feel empathy. It’s his superpower and curse.

Siri KeetonSynthesistBrain Modification
Concept

What is FACS?

FACS (Facial Action Coding System) splits facial expressions into 46 muscle movement units. It helps identify emotions—even microexpressions (lasting under 1/5 second).

FACSmicroexpressionsemotion recognition
Concept

What Are Microexpressions?

Microexpressions are super brief (1/25 to 1/5 sec) involuntary facial expressions that show your true emotions—even when you try to hide them. They’re hard to spot but reveal what you really feel.

EmotionsFacial Expressionsmicroexpressions
Method

How to Spot Microexpressions

1. Slow down video to frame-by-frame. 2. Look for quick, unexpected facial changes. 3. Compare to the person’s usual (baseline) expression to catch differences.

MethodDetectionmicroexpressions
Golden Sentence

Microexpressions & Truth

"Microexpressions are the truth tellers we can’t hide." — Paul Ekman. This line emphasizes how these tiny expressions reveal unfiltered feelings.

TruthmicroexpressionsEkman Quote
Concept

What Are Microexpressions?

Microexpressions are super-fast (under 1/5 sec) facial expressions that reveal true emotions—even when hidden. Key for lie detection.

Lie DetectionmicroexpressionsEmotion Detection
Method

Emotion Test Steps

The emotion test has 3 stages: 1/5 sec, 1 sec, no time limit. It trains you to spot microexpressions and subtle emotions.

Skill BuildingEmotion TestMicroexpression Training
Scenario

Politician’s Guilty Microexpression

A politician denies a scandal. For a split second, he presses his lips tight and darts his eyes—these microexpressions leak his true guilt, even though he’s trying to look innocent.

GuiltmicroexpressionsReal-Life Example
Insight

Microexpressions Can’t Be Hidden

Ekman says microexpressions are involuntary—too fast (1/25 sec) to control. Even if you try to hide feelings, these tiny expressions leak out.

TruthmicroexpressionsInvoluntary
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