To+Do+List

 //**Click below to learn more about your brain and it’s parts. __ http://uwf.edu/jgould/Cortex.jpg __ **1.(B) Click on the link below and scroll down to the paragraph that begins with Neurons. Read about neurons and glial cells.** Answer the questions below: http://www.bris.ac.uk/synaptic/public/basics_ch1_2.html  1b. What is a neuron? 2b. What does it do? 3b. About how many neurons are there in the human brain? 4b. Are neurons the only kind of cell in the brain? 5b. Give an example of another cell in the brain and what it does.  **Neurotransmitters:** **(C) Click on the link below**. [|http://www.thebrain.mcgill.ca/flash/i/i_01/i_01_m/i_01_m_ana/i_01_m_ana.html#2] http://www.pbs.org/wnet/brain/scanning/index.html  **(E) How is your brain changing?** http://www.brainexplorer.org/glossary/grey_matter.shtml <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">**(F) Click on this link** http://www.nimh.nih.gov/health/publications/teenage-brain-a-work-in-progress.shtml
 * //<span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">First __DO__ these things: //**
 * //<span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">1. (A) look at your brain and its parts: //**
 * //<span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">Click on the URL below. //**
 * // http://faculty.washington.edu/chudler/nsdivide.html
 * (D) A number of ways of “seeing” your brain**

//<span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">You may want to print a copy. // <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">**After reading this part of the article, answer the following questions.** <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'"> <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">1g. What do scientists mean by the principle of “use- <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'"> it-or-lose-it” when talking about how neurons connect? <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">2g. What is gray matter? (For more information select the link to <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">the picture above.) <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">3g. What is a possible explanation for increased growth of gray <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">matter in early puberty (age 11 to 12)? <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">4g. What technology is used by neuroscientists to observe the <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">growth and pruning in the teenage brain? <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">//(**H) Click on this link**// http://www.loni.ucla.edu/~thompson/DEVEL/dynamic.html You might want to click on the __High Resolution__ __Image__ link to get a closer look at the areas that are losing gray matter. As neurons are making their more permanent adult connections neurons go through a pruning process. <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">Refer back to the principle of “use-it-or-lose-it”. //<span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">1h. Gray matter wanes (lessens) in which direction as the brain is pruned, back to <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'"> front, or front to back? <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'"> //(I) Click on this link **<span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">1i. Which parts (lobes) of the brain begin these changes first? <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">2i. Can you name a function in that area that would be affected? <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">3i. Which region of the brain changes last? <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'"> <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">Read this section, which is part of an interview with Dr. Jay Giedd, whose research using MRi technology revealed an extensive amount of information on the <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">developing teenage brain. ** <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">4i. Identify three functions of the prefrontal cortex. <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">5i. Identify three functions that improve as the teenage brain matures. <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">6i. Why is pruning synapses and losing gray matter important for brain development?
 * (G) Read the first three paragraphs of Teenage Brain : A Work In Progress**.
 * Read the short abstract/press release __Time-Lapse Imaging Tracks Brain Maturation__ __Ages 5-20,__ Then examine Figure 1.**
 * [|http://www.pbs.org/wgbh/pages/frontline/shows/teenbrain/work/adolescent.html]
 * <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">Scroll down to __Changes in the Prefrontal Cortex__

<span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">**(J). What might these changes mean in terms of how you think, learn, and** <span style="COLOR: black; FONT-FAMILY: Helvetica; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'">**your behavior?** View a video clip from “Inside the Teenage Brain”. **Click on the link** http://www.pbs.org/wgbh/pages/frontline/shows/teenbrain/view/ Select video clip 4. “You Just Don’t Understand.” Select video clip 3. “Mood Swings”. **