Scientists image amyloid buildups of language dementia

Amyloid plaques build up on one side of the brain, responsible for language and communication, in patients with primary progressive aphasia, or PPA, a finding researchers said will help in diagnosing and treating the condition.  Researchers at Northwestern University found the plaques build up primarily on the left side of the brain using a new type of positron emission topography, or PET, scans that detect amyloids. {read more here}