In the middle stage, more plaques and tangles develop in the regions of the brain important for memory, thinking, and planning. This leads to the development of problems with memory or thinking that are severe enough to interfere with work or social life. In this stage, someone with Alzheimer’s may have trouble handling money, expressing themselves, and organizing their thoughts. Plaques and tangles also spread to areas involved in speaking and understanding speech and the sense of where your body is in relation to objects around you. It is in this stage that many people are first diagnosed.
Symptoms vary from person to person, but may include: