Most people think “dementia” just means forgetfulness.

But dementia is so much more than memory loss — and knowing which type of dementia your loved one has can change everything about how you react, how you plan, and how stressed you feel as a caregiver.

Understanding the type of dementia gives you clarity, confidence, and compassion.

A Story Most Caregivers Can Relate To

Linda was caring for her husband, Tom, who had recently been diagnosed with “dementia.” The doctor never specified which kind.

At first, Tom was just forgetful. But soon he began seeing people who weren’t there, talking to “visitors,” and insisting strangers were in their home at night.

Linda became frustrated and scared.

She thought he was joking, lying, or trying to get attention.

One night, she snapped — “There’s no one here! Stop it!” — and then cried alone in the bathroom, feeling guilty and overwhelmed.

Later, she learned he had Lewy Body Dementia, which often causes visual hallucinations and sleep disturbances.

Suddenly, everything made sense.

He wasn’t being difficult. He was frightened.

Once she understood the type, she stopped fighting the dementia — and started responding with calm and compassion.

Why Understanding Dementia Types Matters

No two people with dementia act the same — not just because of personality, but because different types of dementia affect different parts of the brain.

When you understand the type, you can better predict:

• What symptoms are “normal” for that dementia
• What changes might come next
• How to respond without taking things personally

If you’re unsure of the difference between Alzheimer’s and other dementias, you can start with this helpful breakdown:

👉 What’s the Difference Between Alzheimer’s and Dementia?

Another Real-Life Example of Why Dementia Type Matters

Mary was caring for her 78-year-old father, George, who had recently suffered a small stroke. Physically, he recovered well — he could walk, talk, and do most daily tasks with help.

But then something strange happened.

George began bursting into tears for no reason.

He’d cry during breakfast.

Cry while watching TV.

Cry the moment Mary walked into the room.

At first, Mary assumed he must be sad or depressed, so she kept asking:

“Dad, what’s wrong? What are you thinking about?”

But every time, George looked just as confused and said:

“I don’t know why I’m crying.”

His neurologist later explained this was a common symptom of Vascular Dementia — caused not by sadness, but by brain changes that affect emotional control.

Once Mary understood that, she stopped trying to “fix the feeling” and simply offered comfort.

Understanding the type changed everything about how she responded.

You can learn more behavior patterns like this in my article:

👉 Top 10 Dementia Behaviors Every Caregiver Should Know About

What Is Dementia? (Explained Simply)

Think of dementia like cancer.

“Cancer” is the broad word — but there are many kinds: lung cancer, breast cancer, skin cancer. Each one acts differently.

Dementia works the same way.

Dementia is a general term describing changes in thinking, memory, behavior, and daily function.

But there are different types — and each one affects the brain in different ways.

Dementia Types at a Glance

Dementia TypeWhat’s Happening in the BrainCommon Signs Caregivers Notice First

Alzheimer’s Disease Brain cells slowly die in memory areas Forgetfulness, repeating questions, getting lost

Vascular Dementia Blood flow to brain is blocked or damaged Sudden confusion, mood swings, poor judgment

Lewy Body Dementia (LBD) Abnormal proteins affect thinking & movement Hallucinations, acting out during sleep, alertness changes

Frontotemporal Dementia (FTD) Damage to frontal/temporal lobes affects behavior & speech Personality changes, impulsive actions, inappropriate behavior

Parkinson’s Disease Dementia Parkinson’s progresses into cognitive decline Slow thinking, stiffness, depression

Mixed Dementia More than one type at once (often Alzheimer’s + Vascular) A mix — slow decline and sudden changes

A Quick Look at Each Type

Alzheimer’s Disease

• The most common type
• Slow memory loss over time
• Trouble recognizing loved ones and problem-solving

Vascular Dementia

• Often caused by strokes or reduced blood flow
• Sudden changes in ability or mood
• Emotional instability (like crying or anger)

Lewy Body Dementia

• Known for hallucinations, sleep issues, and changes in alertness
• Can look like Alzheimer’s + Parkinson’s mixed together

Frontotemporal Dementia (FTD)

• Affects behavior or language first — not memory
• Can cause inappropriate comments, lack of empathy, or impulsive actions

Parkinson’s Disease Dementia

• Starts with movement problems, then thinking changes
• Slow response time, confusion, sadness or anxiety

Mixed Dementia

• More than one dementia type at once — very common in adults over 75

Dementia Is More Than Memory Loss

Different dementias may include:

🧠 Cognitive Changes

• Forgetfulness
• Poor judgment
• Difficulty planning or solving problems

🎭 Psychological & Emotional Changes

• Depression
• Anxiety
• Anger or paranoia
• Hallucinations or delusions

🚶 Behavioral Changes

• Wandering
• Pacing
• Restlessness
• Sundowning

🏃 Physical & Motor Changes

• Balance issues
• Stiffness or shaking
• Swallowing trouble
• Incontinence

How Dementia Is Diagnosed

Doctors may use:

• CT scans, MRIs, or PET scans
• Blood tests to rule out other causes
• Memory and behavior assessments

But here’s the truth:

Family observations are often the most valuable diagnostic tool doctors have.

How Families Help Doctors Diagnose

Caregivers are the real detectives.

By tracking daily changes — memory shifts, mood swings, movement issues — doctors can better determine which dementia type is present.

👉 That’s why I created the Alzlog app — to help caregivers track symptoms easily, determine dementia stage, and share organized reports with doctors.

It removes guesswork and gives your loved one better care faster.

When You Understand Dementia, You Develop More Patience

Knowledge doesn’t erase the hard days — but it does change how they feel.

When you finally understand why your loved one is acting the way they are — whether they’re crying for no reason, seeing people who aren’t there, pacing nonstop, or refusing help — you stop asking “Why are they doing this to me?” and start recognizing…

👉 “This isn’t them being difficult — this is their brain changing.”

That shift right there?

That’s where patience is born.
That’s where guilt begins to lift.
That’s where peace replaces panic.

Because:

• You stop taking things personally.

• You stop trying to force logic where there isn’t any.

• You stop fighting the disease — and start working with it.

You don’t have to know everything.

You don’t have to be the perfect caregiver.

You just have to understand what you’re dealing with — and take one step at a time from there.

And once you do…

💫 The road ahead becomes a little less scary.
💫 Your reactions become softer.
💫 Your confidence grows — even when the future is uncertain.

💜 You’ve got this. And I’m here to guide you every step of the way.

If you ever feel lost — come back to this article, open the cheat sheet, or explore the Understanding Dementia Course.
You’re not walking this journey alone — I’m walking it with you.