Duchenne Laughter Behavior

A Duchenne Laughter Behavior is a genuine laughter behavior that involves involuntary muscle contractions around eye regions and mouth regions producing authentic emotional expression.

• AKA: Genuine Laughter, Real Laughter, Spontaneous Laughter, Duchenne Display.
• Context:
  • It can typically activate Orbicularis Oculi Muscle creating crow's feet wrinkles.
  • It can typically trigger Involuntary Neural Pathway through emotional activations.
  • It can often produce Higher Pitch Vocalization than volitional laughter.
  • It can often last Shorter Duration compared to strategic laughter.
  • It can range from being a Mild Duchenne Laughter to being an Intense Duchenne Laughter, depending on its emotional intensity.
  • It can range from being a Brief Duchenne Laughter to being a Sustained Duchenne Laughter, depending on its temporal duration.
  • It can range from being a Quiet Duchenne Laughter to being a Loud Duchenne Laughter, depending on its acoustic amplitude.
  • It can range from being a Restrained Duchenne Laughter to being an Uncontrolled Duchenne Laughter, depending on its behavioral inhibition.
  • It can activate Endorphin Release Process more effectively than fake laughter.
  • It can correlate with Positive Emotional State through genuine feelings.
  • ...
• Examples:
  • Humor-Induced Duchenne Laughter, such as:
    • Comedy-Triggered Duchenne Laughter for humor appreciation.
    • Absurdity-Triggered Duchenne Laughter for incongruity recognition.
    • Wordplay-Triggered Duchenne Laughter for linguistic humor appreciation.
  • Social Duchenne Laughter, such as:
    • Shared Joy Laughter for collective happiness.
    • Reunion Laughter for reconnection joy.
    • Victory Celebration Laughter for achievement satisfaction.
  • Physical Duchenne Laughter, such as:
    • Tickle Response Laughter for tactile stimulation.
    • Play Fighting Laughter for rough play enjoyment.
  • ...
• Counter-Examples:
  • Volitional Laughter Behavior, which involves conscious control.
  • Polite Laughter Behavior, which serves social function without genuine emotion.
  • Forced Smile, which lacks vocalization component.
• See: Human Laughter Behavior, Genuine Emotional Expression, Involuntary Neural Pathway, Facial Action Coding System, Paul Ekman, Guillaume Duchenne, Emotional Contagion Mechanism, Endorphin Release Process, Orbicularis Oculi Muscle.

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