P4‐340: PERFORMANCE‐BASED ASSESSMENT OF IADL FUNCTIONING IN MCI AND MILD AD USING THE VIRTUAL REALITY FUNCTIONAL CAPACITY ASSESSMENT TOOL (VRFCAT): A PILOT STUDY. (1st July 2006) - Atkins, Alexandra S.; Khan, Anzalee; Kelly, Sarah Ellen; Abraham, Chelsea; Ulshen, Daniel; Plassman, Brenda L.; Welsh-Bohmer, Kathleen A.; Keefe, Richard SE.