A progressive cognitive disorder that causes degeneration of the brain’s ability to think and function clearly. This form of dementia is this most common among mature adults however there are many different possible causes. Alzheimer’s can lead to memory loss, issues with speech, personality changes, and in some cases, it can cause hallucinations, delusions, and seizures. In more advanced cases of Alzheimer’s patients will depend on others to assist with daily activities and will likely develop macular degeneration.