TB4 Lecture 1; Emotion and the Brain quiz

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  • Created by: mint75
  • Created on: 24-05-15 14:02

1. What is the method for fMRI studies about fear?

  • Participants are asked about the expression and the activated brain areas are recorded alongside their response
  • With facial expressions, blood flow is either compared for fear and neutral expressions, or measured how blood flow changes with expression intensity
  • It is measured how blood flow changes with expression intensity but blood flow is not compared for fear and neutral expressions
  • With facial expressions, blood flow is either compared for fear and neutral expressions but it is not measured how blood flow changes with expression intensity
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2. Which brain area is thought to play a key area in mediating emotion?

  • The right temporal horn
  • Diencephalon (Hypothalamus + Thalamus)
  • Diencephalon (Amygdala + Insula)
  • The left temporal horn

3. What about a neural basis for other emotions?

  • Other emotions are less well understood, with mixed fMRI results and no as of yet brain lesion pps with specfic damage affecting these emotions. Social emotions e.g pride are currently under research scrutiny
  • Other basic and social emotions have sufficient animal models but no human fMRI research evidence as of yet
  • Animals lack self awareness, therefore we will never truly understand basic social or emotional responses

4. In light of the somatic marker hypothesis, what do results using the Iowa gambling task show?

  • Neurotypical pps even before explicit knowledge of risky moves tend to choose 'safer' decks. Use gut instincts to guide their choices
  • Neurotypical pps even before explicit knowledge of risky moves tend to choose more risky decks as they can appropriately calculate the outcome. Use gut instincts to guide their choices
  • Neurotypical pps don't generally think about 'risky' or 'safe' decisions when making moves
  • Lesions to pre-frontal cortex made participant choose safer decisions

5. Which is the largest part of the amygdala in humans?

  • Neither, they are approximately the same size
  • Basolateral cortex of the amygdala > Central nucleus of the amygdala
  • Basolateral cortex of the amygdala < Central nucleus of the amygdala

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