chapter  11
Functional brain imaging and connectivity in dementia
ByKlaus P. Ebmeier, Nicola Filippini, Clare E. Mackay, Sana Suri, Vyara Valkanova
Pages 12

Although several dierent image modalities will be described, neuroimaging studies of brain function in dementia largely fall into two categories: (1) the study of resting blood ow and (2) measurement of brain changes due to a specic task. is chapter starts with a brief description of methods of emission tomography, functional magnetic resonance imaging (fMRI) and diusion tensor imaging (DTI) before describing applications in patients.