TB4 Lecture 4; Decision making and the brain

The main objectives in this lecture are;

  • Expected value v.s expected utility
  • Reward and the brain
  • Temporal discounting
  • Social decision making
  • Heuristics in decision making
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  • Created by: mint75
  • Created on: 25-05-15 17:59

1. Which areas seem to be the most activated in the presence of social rewards?

  • The caudate nucleus, putamen and striatum
  • The striatum, which includes the caudate nucleus, the putamen and the nucleus accumbens and the mPFC
  • The striatum, which includes the caudate nucleus, the putamen and the nucleus accumbens
  • The caudate nucleus, putamen and mPFC
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2. Which areas seem to be implicated in larger-later rewards?

  • DLpFC, LOBFC
  • Posterior cingulate (PCC), mPFC, VStr
  • Putamen, mPFC, VStr
  • DLpFC, LOBFC, VStr

3. What is expected utility?

  • The psychological as opposed to economic value assigned to an outcome (e.g happiness with getting 50,000 or 100,000)
  • The probability of the outcome x associated reward (e.g 100% chance of getting 50 - 1/1 x 50 = £50)

4. What is negative reinforcement?

  • Removal of an adverse outcome following a reaction
  • Being rewarded implicitly after avoiding a stimulus
  • A delivery of an adverse outcome following a reaction
  • Being rewarded explicitly after avoiding a stimulus

5. Which of these is NOT a primary reinforcer?

  • Food
  • Money
  • ***
  • Water
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