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This is the class blog for Phil 3377, Animal Rights, at SMU. Visit often to find material presented during class, including lecture notes, visuals, links to videos, etc.

9.14.2026

Animal sentience

Electronics policy reminder

  • No phones, no laptops...no electronics period
  • If you didn't ask me to be an exception to the policy, then you're not an exception
  • Violating policy will result in penalties deducted from citizenship grade
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Exam 1 next Monday

  1. see tab above
  2. will review a bit Wed and Friday
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Sentience

  • Negative sentience: pain, fear, anxiety, feeling too hot or cold, etc.
  • Positive sentience: pleasure, enjoyment, exhilaration, love, optimism etc.
What kinds of positive sentience do animals have...especially animals at the "edge of sentience"?

What kinds of positive sentience do animals have...especially animals at the "edge of sentience"?

But first:  Ethically, why does it matter?

  • Utilitarianism is one theory that says negative and positive sentience do matter



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Positive sentience in animals
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What do animals sense?  We'll watch this and then discuss.

Ed Yong



We will watch first 12 minutes

 


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Sensing = detecting -- the Waymo detects students in the crosswalk
Sensing = experiencing - feeling  -- the Waymo probably doesn't experience the students
Sensing  positively, sensing negatively -- the Waymo doesn't feel frustrated!



Ed Yong attributes not just detection to animals, but experiencing/feeling. 

To what extent is experience/feeling ethically important, if it's not positive sentience or negative sentience?