24. Ted Kennedy (Brain) The work begins anew. The hope rises again. And the drea

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24. Ted Kennedy (Brain) The work begins anew. The hope rises again. And the dream lives on. Senator Edward Kennedy, August 25, 2008 On May 17, 2008, U.S. Senator Ted Kennedy suffered two seizures. Initially, Kennedy's poor cardiovascular health pointed to a stroke, but within days it was announced that the Senator had malignant glioblastoma. On June 2, 2008, surgeons removed much of the tumor from the left parietal lobe of his cerebrum before beginning aggressive radia- tion and chemotherapy Kennedy surprised many colleagues when he arrived on the Senate floor on July 9 to break a filibuster holding up Medicare legislation. However, this was completely in character for the man who had spent much of his 46-year career in the U.S. Senate fighting for the support of cancer research, mental health insurance coverage, and healthcare reform, especially for children. The following month Kennedy energized the Democratic National Convention with his "the dream lives on" speech and repeat- edly returned to the Senate for key votes in early 2009 Over the summer, however, his condition deteriorated. On August 25, 2009, Senator Edward Kennedy died, just months before healthcare reform was passed by Congress. 1. Senator Kennedy had glioblastoma. What are the different types of glial cells and what are their functions? 2. Which functions would most likely be impaired by damage to the parietal lobe of the cerebrum (Figure 24.1)? 107

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1. what are the different types of glial cells, and what are their functions?

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