INTERNET RESEARCH ON THE BRAIN Use this worksheet to research and discover more about the brain and nervous system on the "Neuroscience for Kids" web pages. You will work to locate information, and record it in the spaces below. To begin, start up your computers and load your web browsers (either NETSCAPE or EXPLORER will work). Go to the NEUROSCIENCE FOR KIDS page at http://faculty.washington.edu/chudler/neurok.html. Use the following questions to navigate through the pages. Record the information to the questions as you find it. On the left side of the "Neuroscience For Kids" web site, click on "explore." This will bring you to a variety of topics. Scroll down to the section on "Brain Basics" and click on "DIVISIONS OF THE NERVOUS SYSTEM." Answer the following questions from the information there... What are the two major subdivisions of the nervous system? 1. ______________________ nervous system ______________________ nervous system 2. What is another name for a "nerve cell"? ______________________ 3. What two structures make up the central nervous system? __________________ __________________ 4. About how much does the brain weigh?__________________ 5. About how many nerve cells are in the brain? _________________ Go to: "BRAIN FACTS AND FIGURES." Using the data on this page, answer the following questions: 6. What animal has the largest brain? _____________________________ 7. What animal has the smallest brain?_____________________________ 8. Does brain size correlate to intelligence? __________________ Go back to the "Explore" page,"DIVISIONS OF THE CENTRAL NERVOUS SYSTEM." Scroll down to the "HEAR IT" section. Play the words, AMYGDALA, CEREBELLUM, AND DIENCEPHALON. Continue scrolling down to the section called "BRAIN STRUCTURES" 9. Where is the cerebral cortex located? ____________________________ 10. What is a groove in the cortex called? _____________________________ 11. What is a bump in the cortex called? ____________________________ 12. What is one area of the brain that is responsible for memory and learning? _____________________ Go back to the explore page "EXPLORE THE NERVOUS SYSTEM." Click on "OUR DIVIDED BRAIN: Lobes of the Brain". 13. Explain in your words the function of each of the following parts of the brain. In addition, label all parts on the diagrams provided. Make a MINI DIAGRAM on your paper J I. Lobes of the brain: Parietal Lobe Occipital Lobe Frontal Lobe Temporal Lobe 14. What happened to Phineas Gage?_______________________________________ _____________________________________________________________________ Go back to the explore page, "EXPLORE THE NERVOUS SYSTEM." Click on "ONE BRAIN OR TWO?" 15. Name two functions that are dominant on the left brain side of the brain. ________________________ ________________________ 16. The right side of the brain? ________________________ ________________________ 17. What structure connects the right and left cerebral hemispheres?__________________________________ 18. What is the procedure called when the above structure is cut or severed? _____________________________ 18. What side of the brain controls language in most people?__________________________ 19. List 5 famous left-handed folks ________________________________ ________________________________ ________________________________ ________________________________ Go back to the explore page, "EXPLORE THE NERVOUS SYSTEM." Click on "HE BRAINS, SHE BRAINS." 20. Is the proportion of brain weight to body weight different for men and women? __________________ 21. What happens to mens' brains as they age? _________________________________________________________________________________________ 22. What is the function of the suprachiasmatic nucleus? _____________________________ Go back to the explore page, "EXPLORE THE NERVOUS SYSTEM." Click on "BRAIN DEVELOPMENT." 23. When does the nervous system begin to form?_______________________________________________________________________________________ Go back to the explore page, "EXPLORE THE NERVOUS SYSTEM." Click on "THE VENTRICLES AND CSF." 24. What is cerebrospinal fluid (CSF)?______________________________________________________________ 25. Name 2 functions of CSF. ___________________________________________________________________ ___________________________________________________________________ Go back to the explore page, "EXPLORE THE NERVOUS SYSTEM." Click on "THE BRAIN DURING SLEEP." 26. What instrument is used to measure brain activity?___________________________________ 27. About how much of your life do you spend asleep?________________________ 28. What does REM stand for?______________________________________________ ___________________________________________________________________ Go back to the page, "EXPLORE THE NERVOUS SYSTEM." Click on the colored words, "THE BRAIN VS. THE COMPUTER." 29. Which sends signals faster, a brain or a computer?_____________________ Go back to the explore page, "EXPLORE THE NERVOUS SYSTEM." Click on "WHAT BECAME OF EINSTEIN'S BRAIN?" 30. When did Einstein die?_________________________________________ 31. Who removed his brain?_________________________________________ 32. Where is the brain now?____________________________________________ Go back to the explore page, "EXPLORE THE NERVOUS SYSTEM." Scroll down to the bottom of the page where it says, "THE EFFECTS OF DRUGS ON THE NERVOUS SYSTEM." Click on "ALCOHOL." 33. What kind of drug is alcohol?__________________ 34. What term is given to drugs that kill brain cells?__________________ Go back to the page, "THE EFFECTS OF DRUGS ON THE NERVOUS SYSTEM." Click on "CAFFEINE." 35. Which soft drink has the most caffeine per serving?__________________ 36. What are two negative side effects of caffeine? __________________________________________________ __________________________________________________ Go back to the page, "THE EFFECTS OF DRUGS ON THE NERVOUS SYSTEM." Click on "COCAINE." 37. Is cocaine an addicting drug?__________________ 38. What organ does it affect other than the brain? __________________ Go back to the page, "THE EFFECTS OF DRUGS ON THE NERVOUS SYSTEM." Click on "MARIJUANA." Scroll down and click on the colored words, "MARIJUANA: FACTS FOR TEENS." 39. List two short-term effects of marijuana use: __________________________________________________ __________________________________________________ 40. List two possible long-term effects of marijuana use: __________________________________________________ __________________________________________________ 41. What effects may marijuana have on the babies of pregnant women who smoke marijuana? ____________________________________________________________________ 42- 46. Go to: http://www.pbs.org/wnet/brain/scanning/index.html Briefly explain the following and provide at least one benefit for using each respective brain scan: EEG · Benefit: CAT · Benefit: PET · Benefit: MRI · Benefit: fMRI- (for this one you can ‘Google it or look up in your book. This website doesn’t have much about the fMRI) · Benefit: