Dr. Majid Fotuhi

or kept for the future.

And when somebody asks the same question multiple times, it means that hippocampus is not doing its job.

And this is where I told you that I help my patients improve.

Now, next level after that is when somebody not only asks the same question multiple times, but they start having behavioral problems.

They have other character personality things that they did not have before.

or they may get lost in their own neighborhood, or they may forget names of family members, or they put the keys in the fridge.

This is when the brain has suffered significantly beyond the hippocampus.

Now you have

problems at the front of the brain, the back of the brain, sides of the brain, and that's what we call Alzheimer's disease.

Now, technically, Alzheimer's disease is a form of dementia.

Dementia is an umbrella term, which means that you've had so much brain atrophy that you cannot function independently.

And there are many different subtypes of dementia.

Could have vascular dementia, where many strokes cause dementia.

You can have alcohol-related dementia, where a bottle of vodka for 30 years shriveled your brain.

Or you can have Parkinson's-related dementia, frontotemporal dementia.

So there are, you know, like six, seven main types of dementia.

And Alzheimer's disease is a subtype of those dementias.

So you have age-associated memory impairment.

mild cognitive impairment, and let's just look at Alzheimer's, dementia.

Those are the different stages of cognitive decline.