Recap
Theory of mind contest: human children vs. primates vs. dogs
🥇First place: Human children (see Cheney and Seyfarth, Baboon Metaphysics)
- 6 months--follow mother's direction of gaze
- 6-9 months--grasp what another is reaching for
- 18 months--grasp likes and dislikes of others when different from their own
- 2 years -- know to point at toy on a high shelf when asking for help reaching it, if parent wasn't in the room when toy was put there
- 1-2 years -- children "want to share their experiences and emotions with others" (Cheney and Seyfarth p. 151)
- 4 years--start passing the false belief test (e.g. they say that Snoopy doesn't know there are candles in the crayon box)
🥈Second place: dogs (Julianne Kaminski video)
- Compared to apes, dogs are better at understanding they have to obey when they are seen
- Better at understanding finger pointing and direction of gaze
🥉Third place: the great apes (chimpanzees, orangutans, bonobos)
- Failed false belief test in many experiments for 30 years (Call and Tomasello 2008)
- Passed false implicit belief test in more recent experiment (Krupene, Kano, et al 2016)
- But there's some question they understand seeing (Povinelli and Vonk 2003)
- They do understand hiding, finger pointing, direction of gaze, but not as well as dogs (Kaminski video)
- Bad at hiding but they do hide
- They also hide food in their mouths
- Crossing rivers with infants--unaware of infants unique problems
- But sensitive to distress
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Two questions:
- Why do dogs do so well, despite being more distant from humans? (what does Kaminski say?)
- Why don't apes do better?
- DeWaal, Appendix B--Do Apes Have a Theory of Mind?
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Frans DeWaal
Can the rudiments of morality be found in primates and other animals?
Two possible answers:
- Morality is purely human. ❌
- Morality "tames the beast" in us.
- Without human morality we'd act "like animals"--totally selfish and violent.
- Morality is a "veneer" hiding our vicious animal nature.
- Animals have the precursors of morality. ✅
- Our morality evolved from the precursors of morality in our animal ancestors.
- Animals today still have those precursors of morality.
- Our morality is deeply rooted in our natural inclinations.
What are the rudiments of morality that are found in animals?
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DeWaal's Methodology
- largely studies animals in primate centers and zoos
- studies them in their own groups
- wants to avoid anthromorphism and anthropodenial
- should avoid false positives, but also false negatives
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Empathy
A family of attitudes
- Emotional contagion--you feel X, I feel X
- Empathy--you feel X, I feel YOUR X
- Sympathy--I feel bad for you that you are feeling X
- Personal distress--you feel X and that distresses me
- Consolation--I put my arm around you because you feel X
- Post-fight consolation--bystander consoles the loser after a fight
- Targeted helping--I help you get what you need, which is different from what I need
Examples in animals
- Empathic rats
- Empathic rhesus monkeys--lever delivers food to me, shock to you. About 2/3 of hungry rhesus monkeys refrain from pushing lever for many days.
- Targeted helping --
- Kuni (chimp) helping bird
- Kinti Jua (chimp) saves boy -- Inside the Animal Mind
- Jakie(chimp) helps Krom with tires
- other cases in dolphins and elephants (connection to self-awareness?)
- Post-fight consolation--proven in apes only
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Reciprocity
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Cooperation
- Elephants, chimpanzees
Empathy
Reciprocity & Fairness
- Chimpanzees share food more with those who groomed them earlier
- Capuchin monkeys react negatively when paid less for equal work
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Preview
Animal Minds ---> Human Ethics
Capacities of animals, to some degree:
- Sentience, pain, pleasure
- Consciousness beyond sentience
- Self-awareness--e.g. mirror self-recognition
- Time travel--recalling oneself in past, anticipating oneself in future
- Thinking--insight, solving novel problems, having beliefs
- Beliefs about social status of others
- Imitation, culture
- Communication
- Theory of mind--understanding minds of others
- Precursors of morality--empathy, fairness, cooperation etc.
Do we owe more to animals, the more they have capacities 1-10
Or is sentience all that really matters?
Next time: DeWaal vs. Peter Singer on whether apes have rights
Next week: a range of views on what we owe to animals (Andrews)
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