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. Dopamine neurons in which 4 areas are linked to rewards?

  • Ventromedial pFC, Nucleus accumbens, Dorsal-tegmental area, substantianigra
  • pFC, Nucleus accumbens, Dorsal-tegmental area, substantianigra
  • Ventromedial pFC, Nucleus accumbens, Ventral-tegmental area, substantianigra
  • pFC, Nucleus accumbens, Ventral-tegmental area, substantianigra
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Other questions in this quiz

2. What are the two distinct neural processes in McClure et als (2004) dual-system model

  • 1) Fast, automatic and context dependent; a deliberation based decision 2) slower, controlled and evidence based; an emotion based decision
  • 1) Fast, automatic and context dependent; an emotion based decision 2) slower, controlled and evidence based; a deliberation decision
  • 1) Slower, automatic and context dependent; an emotion based decision 2) Faster, controlled and evidence based; a deliberation decision

3. What is meant by expected value?

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

4. Which of these is NOT a primary reinforcer?

  • Water
  • Money
  • Food
  • ***

5. What is a problem with heuristics?

  • Although helpful, they are error prone and susceptible to biases
  • The make humans into cold logic machines
  • They mean that humans do not use deductive reasoning as much as possible
  • Can be changed by mental imagery

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