This book helps physicians select from among the currently available imaging tools, promoting the correct and cost-saving diagnosis and management of common dementias. Magnetic resonance (MR) and nuclear medicine techniques are routinely used to facilitate diagnosis, select therapies, provide information regarding the prognosis, and monitor therapy response in patients with cognitive impairment and dementia. Furthermore, the advent of quantitative MR techniques, such as diffusion-weighted imaging, perfusion imaging, etc. have opened up new opportunities to diagnose neurological diseases...