1. All about
the Neuron
The Mighty
Brain
Dodge this
hodgepodge!
Gnarly
Neuro-
transmitters
Hugs not
Drugs
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2. Another name for
a “nerve cell.”

3. What is a neuron?

4. The branching part of the neuron that receives neurotransmitters from neighboring neurons.

5. What is a dendrite?

6. The part of the neuron that
conducts an electrical signal during an action potential.

7. What is the axon?

8. The explosion of electrical activity sent down an
axon (when neuron reaches threshold,
-55 mv)

9. What is an
action potential?

10. The substance that floods into the axon during an action potential, generating an electric current

11. What is a positive ion (Na+)?

12. The part of the brain responsible for balance and coordination

13. What is the cerebellum?

14. The two main divisions
of the nervous system.

15. central nervous system
What are the
central nervous system
and the peripheral
nervous system?

16. Area of the brain responsible for thought, problem solving and planning.

17. What is the
frontal lobe?

18. Connects the right and left hemispheres of the brain.

19. What is the
corpus callosum?

20. Central region of the brain that receives sensory signals and sends them to correct brain area for processing

21. What is the Thalamus?

22. When a NTM attaches to a receptor, a gate opens and ____ flow into the post synaptic cell

23. What are
ions?

24. These support cells help clean and support neurons in the brain

25. What are glial cells?

26. The parietal lobes are ______ to the thalamus (in a human brain)

27. What is superior?

28. Fatty substance that coats some axons, speeding up transmission of electrical signals

29. What is the myelin sheath?

30. The preserved sheep brains we used in class were missing this tough exterior membrane (meninges)

31. What is the dura mater?

32. Name of the gap that neurotransmitters must cross to reach neighboring dendrite.

33. What is the synapse?

34. Neurotransmitter associated with motor control and reward pathways in brain.

35. What is an Dopamine?

36. Neurotransmitter associated with sleep, dreams depression, and food cravings

37. What is serotonin?

38. Inhibitory neurotransmitter that has a calming effect.

39. What is GABA?

40. Neurotransmitter that helps one focus on a task
Neurotransmitter that helps one focus on a task. Too much attention can make one startle easily.

41. What is norepinephrine?

42. Destructive dopamine agonist drug that prevents sleep (sometimes for days) and destroys the body

43. What is methamphetamine (meth, crystal)?

44. Hallucinogenic drugs tend to work in neural pathways that release this NTM

45. What is serotonin?

46. Drugs that are addictive activate the reward and pleasure pathways, by manipulating this NTM

47. What is dopamine?

48. Any drug or medicine that decreases a NTMs activity is called an

49. What is an antagonist?

50. A drug that blocks reuptake of a NTM increases its presence in the synapse, making the drug an

51. What is an agonist?