the 12th european conference on facial expression university of geneva switzerland
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Infant Smiling Dynamics And Perceived Positive Emotion D. Messinger, T. Cassel, Z. Ambadar, J. Cohn Facial Expressi - PowerPoint PPT Presentation


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Infant Smiling Dynamics And Perceived Positive Emotion D. Messinger, T. Cassel, Z. Ambadar , & J. Cohn Facial Expression as a Window on Perceptual-Cognitive Processing, Hedonics, & Affective Communication in Infants July, 2008. The 12th European Conference On Facial Expression

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the 12th european conference on facial expression university of geneva switzerland

Infant Smiling Dynamics And Perceived Positive EmotionD. Messinger, T. Cassel, Z. Ambadar, & J. CohnFacial Expression as a Window on Perceptual-CognitiveProcessing, Hedonics, & Affective Communication in InfantsJuly, 2008

The 12th European Conference On Facial Expression

University of Geneva, Switzerland

what infant smiles tell us about positive emotion an automated approach
What Infant Smiles Tell Us About Positive Emotion: An Automated Approach
  • How do infants smile?
    • Smile strength (AU12)
    • Cheek Raise / Eye Constriction (AU6)
    • Lip Parting - Mouth Opening (AUs 25/26/27)
  • How are actions associated in time?
  • Do they predict rated positive emotion?
  • Not Yes/No,
  • but how much?
automated measurement

Smile Strength

Mouth Opening

Automated Measurement

Now:

Feature Point Tracking

AFA3

Later Today:

Other

Approaches

Other

Topics

AFA4 + …

slide10

Continuous/Automated Perspective:

Ebb And Flow In These Smiles

psy.miami.edu/faculty/dmessinger/

actions associated in time
Actions Associated In Time

AU6 (Manual)

.68

.58

Smile Strength

Auto/Manual

Mouth Opening

Auto/Manual

.21/.51

slide13

Vertical bars are the standard deviations of the parent sample.

Students & parents rate images similarly

psy.miami.edu/faculty/dmessinger/

automated measurements positive ratings of images
Automated Measurements Positive Ratings of Images

Positive Feeling

Automated: Mean of Smile Strength

& Mouth Opening

emotion ratings of non expert observers

Figure 1. Screenshot of Continuous Rating Software

Switch to mouse control

Menu

Scaling Bar

Picture

Frame

Rating Cursor

Emotion Ratings Of Non-expert Observers
  • Positive
  • Emotional
  • Valence
  • Ratings

psy.miami.edu/faculty/dmessinger/

emotion as a continuous process
Emotion as a Continuous Process
  • Infant interactive smiles can be lengthy
  • They involve the movement of actions linked in time
    • Smile strength, AU6, Mouth Opening
  • All actions predict rated positive emotion (univariate)
    • Smile strength and mouth opening predict independently
  • Infant positive emotion is a multipeaked process with several linked indices
issues for later today
Issues for later today
  • Measurement
  • Interaction
babyfacs matrix
BabyFACS Matrix

psy.miami.edu/faculty/dmessinger/

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