Psych Puzzle

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Across
  1. 2. non-neuronal cells of the nervous system
  2. 4. the "feel good" neurotransmitter
  3. 7. the minimum level of stimulus needed to trigger a response
  4. 10. the specialized junction through which neurons transmit signals
  5. 11. lobe responsible for visual processing
  6. 13. the main component of nervous tissue
Down
  1. 1. region of the brainstem above the spinal cord
  2. 3. crucial for muscle contraction
  3. 5. transmits electrical impulses away from the soma
  4. 6. naturally occurring pain reliever in human body
  5. 7. directs information to the cerebral cortex for processing
  6. 8. medical test that measures the brain's electrical activity
  7. 9. insulating material surrounding the axon
  8. 12. uses radio waves and magnetic fields to diagnose diseases