Anatomy of emotions

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Anatomy of emotions

  1. 1. Anatomy of Emotions
  2. 2. Hypothalamic Circuit  Hormones regulate various motivated behavior  Hypothalamus controls the pituitary Produces posterior pituitary hormones Secretes releasing hormones which stimulate the anterior pituitary  Regulated by feedback and response to other stimuli
  3. 3. Pituitary Hormones
  4. 4. Feedback Regulation
  5. 5. Milk Letdown Response
  6. 6. Limbic System Cingulate Gyrus Olfactory Bulb Thalamus Hypothalamus Fornix Mammilary Body Hippocampus Amygdala
  7. 7. Limbic Circuit  James Papez – rabies damaged the hippocampus  emotional disturbances  Input from the prefrontal cortex, sensory cortex, and hypothalamus passes through the limbic circuit
  8. 8. Amygdala & Hippocampus  Amygdala receives input from sensory systems  Sends info to the hypothalamus Influences emotional response and behavior Stimulates eating  Hippocampus plays a role in spatial awareness, emotion, and memory
  9. 9. Frontal Lobe  Prefrontal cortex and amygdala receive input from each other  Prefrontal cortex sends signals to the hypothalamus  activates autonomic NS  Agenesis – absence or severe reduction of the frontal lobe
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