Memories Fade But Emotions Linger for Patients With Alzheimer’s

Patients with Alzheimer’s disease (AD) typically have impaired declarative memory as a result of hippocampal damage early in the disease. Far less is understood about AD’s effect on emotion.

We investigated whether feelings of emotion can persist in patients with AD, even after their declarative memory for what caused the feelings has faded. 

A sample of 17 patients with probable AD and 17 healthy comparison participants (case-matched for age, sex, and education) underwent two separate emotion induction procedures in which they watched film clips intended to induce feelings of sadness or happiness.

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