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lecture14 Emotion

lecture14 Emotion - Psych 123 Cognitive Neuroscience...

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Lecture 14: Emotion Psych 123 Cognitive Neuroscience
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Basic Emotions anger disgust sadness surprise happiness contempt fear Paul Ekman proposed seven basic emotional expressions that are displayed in all cultures. This organizational scheme paired eight basic emotions as opposites with different levels of intensity.
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The limbic system orbitofrontal cortex amygdala
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Kluver-Bucy Syndrome Bilateral removal of the temporal lobes in monkeys and cats - including the amygdala and hippocampus. tame; flattening of emotions extreme oral tendencies failure to recognize common objects hypersexuality
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Fear Conditioning Rat hears the sound which produces no physiological response. When the sound is paired with electric shock, the rat’s blood pressure increases and the rat stops moving. After repeated pairings, the sound alone now produces the same physiological response.
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Response after blocking the amygdala The rat learns the conditioned fear response. The amygdala is kept from responding by either lesioning it or by chemically blocking it.
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