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Lecture 4 Supplement

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The Brain and its Main Structure

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The Brain

Brain reaches its maximum number of synaptic connections and its greatest metabolic activity around age 3 or 4

 

Top view of Brain
  1. genu of the corpus collosum
  2. head of caudate nucleus
  3. putamen
  4. globus pallidus
  5. thalamus
  6. tail of caudate nucleus
  7. splenium of corpus callosum
  8. amygdala
  9. substantia nigra

 

PET Scan of Adult with ADHD

 

 

 

 

 

PET Scans

  • Demonstrates metabolism of glucose in brain under arousal
  • Brain on left is normal adult brain under arousal
  • Brain on right is Brain of Adult with ADHD 
  • frontal lobe of brain most involved in adults with ADHD
 

The Hind Brain & Mid Brain

 

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The Design of Nervous System

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  Structure of Neurons

 

 

Synapse
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Closer View of Synapse

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Closer View of Synapse

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