Patient participation in medical and social decisions in Alzheimer's disease.

Objectives: To analyze the preferences of people with amnestic mild cognitive impairment (aMCI) and mild dementia in Alzheimer's disease (AD) regarding different aspects of healthcare-related decisions, to correlate these findings with different measures of decision-making capacity, and to explore the views of relatives and referring physicians.

Design: Cross-sectional survey.

Setting: University-based memory clinic in Munich, Germany.