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
  • Created by: mint75
  • Created on: 25-05-15 17:59

1. What did Sanfey (2003) find in their ultimatum game study?

  • Unfairness increased striatal activation
  • Unfairness generated activation in the anterior insula
  • Unfairness decreased activation in the anterior insula
  • Unfairness decreased striatal activation
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Other questions in this quiz

2. What is a problem with heuristics?

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

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

  • The striatum, which includes the caudate nucleus, the putamen and the nucleus accumbens
  • The caudate nucleus, putamen and mPFC
  • The caudate nucleus, putamen and striatum
  • The striatum, which includes the caudate nucleus, the putamen and the nucleus accumbens and the mPFC

4. What is the decoy effect?

  • Presentation of another option that is inferior in all respects has shown to influence preference
  • Preference for current state of affairs

5. What is the framing effect?

  • When the objective value exceeds that of the expected utility
  • People tend to avoid risk when a positive frame is presented, but sees risk more when a negative frame is presented (even when options are the same! For example saving people, or killing people in vaccine example).
  • People tend to avoid risk when a negative frame is presented, but sees risk more when a positive frame is presented (even when options are the same! For example saving people, or killing people in vaccine example).
  • When the expected utility exceeds the objective value

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