Connect with others who understand.

sign up log in
About myALZteam

Types of Alzheimer’s

Updated on February 02, 2020
Article written by
Kelly Crumrin

Dementia is a collection of symptoms characterized by cognitive problems – deficits in thinking, memory, reasoning, judgment, language, communication, and awareness. Dementia can also include psychological symptoms such as behavior, personality, and mood changes, as well as psychotic symptoms such as hallucinations and delusions. There are many causes of dementia. Knowing the type of dementia someone has helps doctors prescribe effective treatments and better predict how the disease will progress.

Alzheimer’s disease is the leading cause of dementia, accounting for 60 to 80 percent of cases. Other causes of dementia can include vascular dementia, dementia with Lewy bodies, Parkinson’s disease dementia, Huntington’s disease, mixed dementia, frontotemporal dementia, Creutzfeldt-Jakob (mad cow) disease, normal pressure hydrocephalus, and Wernicke-Korsakoff syndrome. Diagnosing which type of dementia someone has can be a complex process that may take years.

Alzheimer’s Types

Alzheimer’s is typed by the age of onset.

Late-Onset Alzheimer's Disease (LOAD)

Most people with Alzheimer’s have late-onset disease that develops after age 65. Nearly all cases of late-onset Alzheimer’s begin with memory issues.

Early-Onset or Young-Onset Alzheimer’s Disease (EOAD or YOAD)

Also called familial Alzheimer’s disease, or FAD, early-onset Alzheimer’s develops before age 65 in approximately 5 percent of people. Onset is usually in the 30s, 40s, or 50s. In early-onset Alzheimer’s, the earliest symptoms are more likely to be apraxia – a movement disorder that makes it difficult to perform voluntary actions – and vision changes such as loss of depth perception, peripheral vision, perceiving color or contrast, or spatial awareness of objects.

Condition Guide

Resources

External resources

myALZteam resources

Kelly leads the creation of content that educates and empowers people with chronic illnesses. Learn more about her here.

A myALZteam Member said:

Thank you for the explanations.

posted about 1 month ago

hug

Recent articles

Mht infographic symptoms myalzteam
Below the surface, our loved ones living with Alzheimer's experience days that vary: days of...

Alzheimer's: What People Don't See (Infographic)

Below the surface, our loved ones living with Alzheimer's experience days that vary: days of...
Mht af justdiagnosed caregiver
We all respond differently to information about our health. After learning your spouse, parent,...

Your Loved One Has Just Been Diagnosed With Alzheimer's. Now What?

We all respond differently to information about our health. After learning your spouse, parent,...
Mht article directness alz 2 5
Being a caregiver for someone who has Alzheimer's disease can mean having limited energy, time,...

Tap Into the Power of Directness: Use "I"

Being a caregiver for someone who has Alzheimer's disease can mean having limited energy, time,...
Your answers  the worst alzheimer's advice
We asked and you answered! We posted this question: What bits of "advice" do you wish people...

Your Answers: The Worst Alzheimer's Advice (Infographic)

We asked and you answered! We posted this question: What bits of "advice" do you wish people...
Assisted living and alzheimers
Deciding to transition a loved one into an assisted living facility can be a hard decision to...

Assisted Living and Alzheimer's

Deciding to transition a loved one into an assisted living facility can be a hard decision to...
Fb square
Maximize myALZteam by sharing a little bit about yourself. This article will help you get started...

Getting Started on myALZteam

Maximize myALZteam by sharing a little bit about yourself. This article will help you get started...
Alzteam
On most mobile devices, you can access an internet browser and type in www.myalzteam.com. To save...

myALZteam to go: Get the free upgraded mobile app!

On most mobile devices, you can access an internet browser and type in www.myalzteam.com. To save...
How good boundaries make caregiving easier
There is an old saying: “Good fences make good neighbors.” Having healthy boundaries in...

How Good Boundaries Make Caregiving Easier

There is an old saying: “Good fences make good neighbors.” Having healthy boundaries in...
Coronavirus
Article written by Kelly Crumrin According to the Centers for Disease Control and Prevention...

Canceling Is Kindness: Keeping Safe From COVID-19 With Alzheimer's

Article written by Kelly Crumrin According to the Centers for Disease Control and Prevention...
Msl af myalzteam linda
I am a 75-year-old retired mental health registered nurse. About four years ago I noticed that my...

Member Spotlight: Losing My Marital Relationship to Dementia

I am a 75-year-old retired mental health registered nurse. About four years ago I noticed that my...
myALZteam My Alzheimer's Team

Two Ways to Get Started with myALZteam

Become a Member

Connect with others who are living with Alzheimer's. Get members only access to emotional support, advice, treatment insights, and more.

sign up

Become a Subscriber

Get the latest articles about Alzheimer's sent to your inbox.

Not now, thanks

Privacy policy
myALZteam My Alzheimer's Team

Thank you for signing up.

close