The Memory Impairment Screen more accurately screened for Alzheimer disease than the 3-word memory test in older adults.

D e s c r i p t i o n o f t e s t s a n d d i a g n o s t i c s t a n d a r d The MIS is a 4-minute, 4-item delayed memory test assessing free and cued word recall. The conventional 3-word memory test is a delayed free recall memory task from the Mini-Mental State Examination (MMSE). The MIS and 3-word memory test were given on different days by different examiners. AD was diagnosed by clinical assessment according to the criteria of the Neurological and Communicative Disorders and Stroke and the Alzheimer’s Disease and Related Disorders Association.