Brain's Pleasure System Wastes Away in Early Dementia

Brain's Pleasure System Wastes Away in Early Dementia
(AP Photo/Gerald Herbert)

Dementia is a thief that picks many pockets. In some guises, it takes our memories. Other forms rob us of inhibition. Sometimes it even takes away happiness itself.

A new study has shown for the first time how some forms of early-onset dementia are associated with a profound loss of pleasure linked to a wasting of 'hedonic hotspots' – brain regions associated with reward seeking.

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