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Precursors to theory of mind? Deciding whether something is animate or inanimate

Precursors to theory of mind? Deciding whether something is animate or inanimate. Potential Cues to animacy Action at a distance Self-propelled Biological shape/texture Eyes Contingency Biological Motion Infants detect & prefer human movement over non-human e.g. Point light Displays….

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Precursors to theory of mind? Deciding whether something is animate or inanimate

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  1. Precursors to theory of mind? Deciding whether something is animate or inanimate • Potential Cues to animacy • Action at a distance • Self-propelled • Biological shape/texture • Eyes • Contingency • Biological Motion • Infants detect & prefer human movement over non-human e.g. Point light Displays…

  2. “Gaze” Following of Contingent Agents From Johnson et al. (1998)

  3. Pattern Perception: 3-4 mth-olds recognize human motion • Point light displays contain minimal information but infants can discriminate human walking from control stimuli, and prefer humans (Bertenthal, 1993)

  4. Infants Differentiate People (or Mental Agents) from other Objects they aren’t surprised if people move without making contact but are for inanimate objects when an object moves out of sight, the infants try to reach towards its place of disappearance; when a person moves out of sight, the infants vocalize What does this mean? Infants seem to construe people as somehow “special”, different from objects BUT that doesn’t mean that the infants understand anything about the other person’s mind

  5. Goals, Desires, and Intentions Woodward, 1998

  6. Goals, Desires, and Intentions 5-month-old infants expect the human arm to reach towards the same OBJECT, not in the same direction If the arm is mechanical, infants expect reaching in the same direction What does this demonstrate? By 5 months, infants expect human behavior to be goal-oriented

  7. Goals, Desires, and Intentions • Goal-directed objects? (Csibra and Gergely, 1999) • Babies habituate to the following video clip

  8. Goals, Desires, and Intentions • Nine- and twelve-month-old babies look longer when the ball jumps without an obstacle • It does not make sense for the ball to jump if the goal is simply to reach a position (it violates rational action)

  9. An Early Understanding of Emotional Valence

  10. An Early Understanding of Emotional Valence • 12-month-old babies look longer when an agent (a shape) approaches an object that “hindered” it previously but not one that “helped” it previously • 9-month-olds can do it too if you add eyes to the shapes

  11. Early Theory of Mind • 18 month-old infants will imitate intentions of actors, even when they don’t see the completed action. They do not imitate machines. • Understand others can have different desires (Brocolli vs. Cracker Study)

  12. Knowledge What do young children understand about knowledge? • Experience/Familiarity leads to knowing (Birch & Bloom, 2002) • Being present leads to knowing (toy on high shelf study, O’Neill) • Looking leads to knowing (Pillow, 1990)

  13. Knowledge But, 3-year-olds don’t seemed to understand that we acquire different information through our different senses e.g. Red Ball vs. Blue ball: Who will know? Someone who looks or feels? (O’Neill, Flavell, and Astington). Acquiring an adult theory of mind is a gradual/continuous process. There is both important theory of mind development BEFORE children pass the false belief tasks and AFTER (e.g. an interpretive theory of mind)

  14. So… • There is more to passing the false belief task than theory of mind. • There is more to theory of mind than passing the false belief task

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