TB4 Lecture 1; Emotion and the Brain quiz

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

1. What about a neural basis for other emotions?

  • Animals lack self awareness, therefore we will never truly understand basic social or emotional responses
  • 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
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2. What is the James-Lange feedback theory?

  • Emotions are a psychological percept that are not linked to the bodies responses to external stimuli.
  • There is a deterministic relaish between bodily reactions+emotions. Stimuli cause a direct bodily response which in turn creates an emotional experience. There is no emotion without bodily reaction.
  • There is an interactive relationship between bodily reactions+emotions. Emotions can cause a bodily reaction which causes a physiological response, and vice versa.
  • There is a deterministic relaish between bodily reactions+emotions. Stimuli cause an emotional response which in turn creates a bodily reaction. There are no bodily reactions without emotion.

3. What is the main concept of categorical theories of emotion?

  • The amount of arousal corresponds to which emotion from the innate selection of fear, sad, happy, anger, surprise, digust
  • Each emotion has an assigned physiological response, e.g happiness --> smiling = an increase in dopamine.
  • Each emotion is a discrete, independent entity; with the innate basic emotions being fear, sad, anger, surprise, disgust, happiness.
  • Each emotion is a point represented on a 2D space dfined by the X axis of arousal (low-high) and valence (positive-negative emotions) E.g happy may share the same x as afraid but with differing valence (y)

4. What kind of damage did patient SM sustain?

  • Uni-lateral amygdala calcification on the left medial temporal lobe.
  • Symmetrical bi-lateral amygdala calcification on the medial temporal lobes.
  • Uni-lateral amygdala calcification on the right medial temporal lobe.
  • A genetic disorder which gradually calcifies the temporal lobe including the amygdala

5. In monkeys, after removal of what brain area(s) did they begin to show loss of fear, hypersexuality/hyperorality and altered food preferences? (Kluver bucy)

  • Temporal lobes, hippocampus and amygdala
  • Temporal Lobes
  • Hippocampus and amygdala
  • Amygdala

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