Review questions for material between Exam 3 and Final exam
 
  1. Who has more neurons, a newborn or an elderly person?
  2. What are the main differences between neurodevelopment before and after birth?
  3. What is induction and how is it involved in neural development?
  4. What are the major divisions of the brain and how do they appear in development?
  5. What genes affect which part of the neural tube develops into which brain parts? Where are new neurons born?
  6. How do new neurons get to their final location?  What cues are used to determine when to stop?
  7. What is the main determinant of neuronal fate (differentiation path)?
  8. How are growth cones like postsynaptic neurons?  How are they like taste and smell receptors?
  9. What types of signals exist in the nervous system that growth cones can use to navigate?
  10. How are signals detected by growth cones?
  11. How are topographic maps formed?
  12. How are these maps sharpened through activity independent and dependent method?
  13. Explain "use it or lose it" in the context of synapse formation & retention during development.  How are activity and trophic factors involved?
  14. How are neurotrophins involved in synaptic pruning?
  15. What are the synaptic mechanisms of behavioral plasticity?
  16. How many ways can one change the effectiveness/strength of the synapse?
  17. Why do most organisms infer causation when 2 events are associated in time by 1/2 second?
  18. What is the physiological difference between sensitization and classical conditioning?
  19. Why is the control stimulus not conditioned, or potentiated?
  20. Why is LTP both specific to one synapse, yet able to be associative of two stimuli?
  21. Explain the physiological basis of the synaptic changes made during LTP.
  22. Distinguish between procedural and declarative memory and explain where each is stored.
  23. Explain the difference between short term and long term memory.
  24. How are long-term memories formed?
  25. What does it mean for a memory to be distributed?  Explain in terms of synapses.
  26. Explain the anatomy of memory formation vs. memory storage.
  27. Explain the anatomy of retrograde and anterograde amnesia.
  28. Explain the mechanism of long term memory induction on the molecular level.  How might genes change a cell to make a memory?
  29. Describe how one could get agnosia.  How is this related to distributed memory storage?


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modified 12-5-04