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Emotion, Stress and Health

Emotion, Stress and Health. Chapter 17. Theories of Emotion. James-Lange Stimulus > autonomic/skeletal response > emotion Autonomic/skeletal response necessary for emotion Cannon-Bard Stimulus > autonomic/skeletal response & emotion Autonomic/skeletal response independent of emotion.

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Emotion, Stress and Health

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  1. Emotion, Stress and Health Chapter 17

  2. Theories of Emotion • James-Lange • Stimulus > autonomic/skeletal response > emotion • Autonomic/skeletal response necessary for emotion • Cannon-Bard • Stimulus > autonomic/skeletal response & emotion • Autonomic/skeletal response independent of emotion

  3. Bard – Sham Rage • Decorticated cats exhibit extreme and unfocused aggressive responses • Hypothalamus must be intact • Papez proposed emotional circuit – limbic system, that includes hypothalamus

  4. Kluver-Bucy Syndrome • Rare cerebral neurological disorder • Major symptoms - urge to put objects into mouth, memory loss, extreme sexual behavior, placidity, visual distractibility. • Bilateral temporal lobes – damaged amygdala

  5. Facial Expressions • Microexpressions – brief facial expressions that reveal true feelings often break through false ones • Duchenne Smile

  6. Facial Feedback Hypothesis • Pull your eyebrows down and together • Raise your upper eyelids and tighten your lower eyelids • Narrow your lips and press them together • Hold for a few seconds…

  7. Fear Conditioning • Medial geniculate nucleus • Amygdala • Periaqueductal Gray – defensive responses • Lateral hypothalamus – sympathetic responses • Hippocampus - Contextual fear conditioning

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