Brain Mechanisms of Human Emotion

1
Brain Mechanisms of Human Emotion

• Amygdala
• Case of S.P., the woman who couldnt perceive
  fear
• Urbach-Wiethe disease
• Link to autism?

2
Brain Mechanisms of Human Emotion

• Medial Prefrontal Lobes
• Suppression paradigms
• Reappraisal paradigms

3
Stress and Health

• Stress reaction to harm or threat
• Stressors stimuli that cause stress
• Stress Response Sympathetic NS

4
Adrenal Gland

• Release of adrenaline by the Adrenal gland (sits
  atop kidneys)
• Adrenal Medulla manufactures epinephrine
  (adrenaline)
• Adrenal Cortex release of cortisol

5
Stress

• Epinephrine
• Adrenaline rush
• Glucose release
• Increases blood
• Cortisol
• Resource allocation
• Delayed Response

6
What activates cortisol release?

• H-P-A Axis (Hypothalamus-Pituitary Gland-Adrenal
  Gland)

7
What causes the most stress of all in animals?

• Social stress causes higher levels of cortisol
  and longer lasting
• Sapolsky
• Autopsy gastric ulcers, adrenal expansion,
  hippocampus degeneration!