1. Adult Stroke in the US, Canada and Europe (Schellinger) 2. Pediatric Strode in the US, Canada, and Europe (P. Ellen Grant) 3. Hemorrhagic Stroke (Greenberg and Rosand) 4. Stroke in Asia (Bhattacharya) 5. Stroke in South America (Camargo) 6. Stroke Vascular Anatomy (Hayman) 7. Vulnerable Plaque Imaging (Chen and Weissleder) 8. Technical Aspects of CT and MR Perfusion Imaging (Lee) 9. MR Spectroscopy of Stroke (Thulborn) 10. Diffusion Tensor Imaging and other Advanced MR Techniques (Sorensen) 11. Neuroprotection: Hyperoxia and Beyond (Singhal, Lo and Moskowitz) 12. MRI of Acute Stoke (Mikulis) 13. MRI of Stroke Recovery (Cramer)