The 7 stages of Alzheimer’s disease

Alzheimer’s disease is a progressive and debilitating condition that slowly robs a person of their memories and personality. Alzheimer’s disease is a form of dementia that produces various symptoms that occur in stages, ultimately arriving at a point when a person can no longer live independently due to cognitive decline.

The Fisher Center for Alzheimer’s Research Foundation says there are seven clinical stages of Alzheimer’s. Stages 1 through 3 are the predementia stages, while stages 4 through 7 are the dementia stages. Here is a close look at what these stages entail, according to the Global Deterioration Scale.

Stage 1