PET scan of the brain for depression A PET scan can compare brain activity during periods of depression (left) with normal brain activity (right). An increase of blue and green colors, along with decreased white and yellow areas, shows decreased brain activity due to depression. Picture of PET Scan used
‘Dementia Aware: What you need to know’ about the 3 Stages of Dementia Dementia will affect each person differently. Its impact can depend on the type of dementia the person has and what the person was like before the diagnosis: personality, lifestyle, relationships, physical health, mental health and health history.