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Memory Care · A Pillar Guide from Preferred Care at Home

Types of Dementia: What Families Notice First

The instinct to call any memory decline Alzheimer’s trips families up first. What you notice at home depends on which dementia type is developing. This guide covers the types Fairfield County families encounter most, how diagnosis has changed, and what care looks like afterward — from Christine and Rick Geller’s team at Preferred Care at Home of Central Fairfield.

  • The four types families encounter most, side by side
  • How diagnosis has changed — including new blood tests
  • Local Fairfield County evaluation and support options

At a glance

Who this page is for
Families noticing changes and unsure which type they’re seeing
The main types
Four main: Alzheimer’s, vascular, Lewy body, frontotemporal
What to watch first
What shows up first at home varies by type
What’s changed
A blood test now predicts Alzheimer’s with 88–92% accuracy

Credentials you can verify
Certified Provider · Licensed in Tennessee · Home Care Pulse Award · LPN on Care Team

Talk it through with us
Plain language, before you assume Alzheimer’s

What Dementia Actually Is (and Why the Type Matters)

Dementia describes a group of brain disorders, not a single disease. Getting the type right — not just the dementia label — shapes what memory care actually looks like for your family.

Q1

Is every memory decline Alzheimer’s?

No — that instinct trips families up first. Alzheimer’s covers 60–80% of cases per the CDC, but at least three other major forms produce noticeably different symptom patterns under the same umbrella.

  • Alzheimer’s: the most common, not the whole category
  • Vascular, Lewy body, FTD: different first symptoms
  • Mixed dementia is common — symptoms overlap
Q2

What exactly differs by type?

Symptom patterns differ, so what shows up first at home varies. Progression differs — some types move faster. Safety risks differ, from wandering to falls to impulsive decisions. And care needs differ: memory-first and behavior-first patterns call for different support.

  • What shows up first at home varies by type
  • Safety risks range from wandering to falls
  • Medication and treatment options differ too
Q3

Why is diagnosis hard?

In early stages, symptoms across types blur together. The NIA notes the pathologies defining Alzheimer’s, vascular, Lewy body, and frontotemporal dementia often co-occur in the same brain — so an initial impression can shift over time.

  • Early symptoms blur across types
  • Mixed dementia is genuinely common
  • A diagnosis can evolve as symptoms change
Q4

What’s changed in testing?

A commercially available p-tau217 blood test predicted Alzheimer’s with 88–92% accuracy and outperformed brain imaging in one study, per the NIA and NIH’s 2025 research report. Blood tests strengthen detection — but don’t diagnose every type on their own.

  • Blood tests now detect Alzheimer’s pathology
  • Full workups still use labs plus MRI/CT/PET
  • Not every dementia type shows on a blood test
Support that follows the symptoms

When In-Home Care Makes Sense, by Pattern

01

Memory-First: The Alzheimer’s Pattern

Recent memory loss shows first: getting lost on familiar routes, repeating the same question within minutes, forgetting a task partway through. Care focuses on routine consistency, memory cues around the home, familiar spaces kept safe, and medication reminders.

02

Fall & Hallucination Patterns: Lewy Body

Vivid visual hallucinations, acting out dreams physically, attention that swings from sharp to foggy within the same day, muscle stiffness. Care leans toward fall prevention, a calm response during hallucinations, and closer supervision around sleep.

03

Behavior-First and Post-Stroke Patterns

FTD turns a warm parent blunt or impulsive before memory fades — it needs structure, patience, and personality-matched companions. Vascular decline moves in steps after strokes and needs careful monitoring of daily function as needs shift. Around-the-clock needs later often point to live-in care rather than a facility.

The scale of it

How Diagnosis Has Changed

88–92%accuracy — a blood test now predicts an Alzheimer’s diagnosis at that level across participants, per the National Institute on Aging

NIH’s 2025 dementia research progress report described a commercially available p-tau217 blood test that accurately detected Alzheimer’s pathology at all stages and outperformed brain imaging accuracy in that study. A full evaluation still involves laboratory testing alongside MRI, CT, or PET imaging.

A Starting Point, Not a Final Word

Because the pathologies often co-occur in the same brain, an initial impression is useful for planning but is not the final word. A diagnosis can evolve as symptoms change — and care plans should evolve with it.

Respite Support Is Funded, Too

Per the Centers for Medicare and Medicaid Services, the GUIDE dementia care model includes respite services up to $2,500 annually for eligible caregivers — a real option for families who need a break without giving up supervision at home.

From suspicion to a working plan

How We Support Fairfield County Families

Where a local home care team fits — from the first evaluation through daily support at home.

1

Free Care Conversation

We take your call at (203) 401-8464, listen to what you’re noticing at home, and help you name the pattern before you chase a label.

2

Guidance Toward Evaluation

We point families to local evaluation options — Yale New Haven, Stamford Health, Nuvance, and Hartford HealthCare all serve Fairfield County.

3

Care Built Around the Diagnosis

Personal care for memory-first patterns, vigilant calm supervision for Lewy body, structured environments for FTD — the plan follows the type.

4

Matched by Personality

Caregivers are matched by personality so your loved one sees a familiar face, not just a schedule — which matters most when behavior changes are part of the picture.

5

Transition and Respite Support

Transition care manages the period around evaluation and adjustment, and respite care gives family caregivers a real break.

Walking beside you

How Our Local Team Supports Dementia Families

Owned by Christine and Rick Geller

Christine and Rick Geller own Preferred Care at Home of Central Fairfield and help families navigate dementia care at home across Fairfield County — matching caregivers by personality so your loved one sees a familiar face, not just a schedule.

Local Evaluation, Close By

Fairfield County families don’t have to travel far for evaluation: Yale New Haven’s Dorothy Adler Geriatric Assessment Center, Stamford Health’s Geriatric Assessment Center, Nuvance Health’s Danbury neurology practice, and Hartford HealthCare’s Memory Care Center all serve the region.

Respite That’s Actually Fundable

Per CMS, the GUIDE dementia care model includes respite services up to $2,500 annually for eligible caregivers — and our respite care gives families a break without giving up daily supervision at home.

The four types, decoded

The Four Types Families Encounter Most

The most common by far
Alzheimer’s

Memory-First, Gradual

Recent memory loss, repeating questions, getting lost. Tau proteins and plaque buildup disrupt how the brain stores and retrieves. 60–80% of cases — care focuses on routine, cues, and safety in familiar space.

Ask about memory care
Vascular

Stepwise, After Strokes

Planning and judgment problems often before memory loss, tied to interrupted blood flow. About 5–10% of cases — care centers on cardiovascular monitoring and adapting to sudden shifts.

Lewy Body

Hallucinations and Fluctuation

Vivid hallucinations, acting out dreams, attention swinging within the same day, muscle stiffness. Care: fall prevention, calm hallucination response, and sleep support.

Frontotemporal

— Personality First

Personality and behavior changes before memory loss, often before age 65 — and one-third of cases are inherited, per the NIA. Care: behavior structure, patience, and safety planning.

Close-to-home options

Where Fairfield County Families Get Evaluated

Once a family suspects dementia, the next practical step is a proper evaluation — and Fairfield County families do not have to travel far to find one.

Hospital Assessment Centers

  • Yale New HavenDorothy Adler Geriatric Center
  • Stamford HealthGeriatric assessment + support group
  • OffersMemory assessment, community links
  • Best forFirst full evaluation
VS

Specialty & Community Support

  • Nuvance HealthDanbury neurology practice
  • Hartford HealthCareMultidisciplinary memory center
  • OffersNeurology through neuropsychology
  • Best forHarder or evolving cases
Straight answers

Types-of-Dementia Questions Fairfield County Families Ask

What are the five main types of dementia?

Alzheimer’s, vascular, Lewy body, frontotemporal, and mixed dementia are the five categories families most often encounter.

Alzheimer’s shows up first as memory loss, vascular often starts with planning problems, Lewy body brings hallucinations and sleep changes, FTD begins with personality shifts, and mixed dementia combines features of more than one type.

Is dementia the same as Alzheimer’s disease?

No. Dementia is an umbrella term and Alzheimer’s is one type within it — accounting for 60–80% of cases per the CDC, which is why the two get confused.

Vascular, Lewy body, and frontotemporal dementia are distinct conditions with their own care needs.

What symptoms make Lewy body dementia different?

Visual hallucinations, acting out dreams during sleep (REM sleep behavior disorder), fluctuating attention, and movement symptoms like muscle stiffness.

That combination — especially hallucinations paired with sleep disturbance — distinguishes it from Alzheimer’s, where memory loss usually leads.

How is vascular dementia different from Alzheimer’s?

Vascular dementia is tied to blood flow problems and stroke-related injury, accounting for about 5–10% of cases per the CDC.

It often shows planning or judgment problems before memory loss, while Alzheimer’s typically shows memory loss first and progresses more gradually.

Can someone have more than one type at the same time?

Yes, and it is common. The NIA notes the pathologies defining Alzheimer’s, vascular, Lewy body, and frontotemporal dementia often co-occur in the same brain.

That pattern — mixed dementia — explains why symptoms don’t always fit neatly into one category.

Are blood tests now used to diagnose Alzheimer’s?

Newer blood tests are increasingly part of Alzheimer’s evaluation, but they do not replace a full clinical assessment. Per the NIA, a blood test predicted an Alzheimer’s diagnosis with 88–92% accuracy across participants in one study — a meaningful shift from imaging-only workups.

Where can Fairfield County families get a dementia evaluation?

Options include Yale New Haven’s Dorothy Adler Geriatric Assessment Center, Stamford Health’s Geriatric Assessment Center, and Nuvance Health’s Danbury neurology practice.

Our team helps families across the county navigate what comes after a diagnosis.

When should a family consider in-home care for dementia?

When daily supervision, fall risk, hallucination response, or memory-related safety concerns exceed what family alone can manage, in-home care becomes practical.

We match caregivers by personality so your loved one sees a familiar face, not just a schedule.

Watching a Parent Decline and Unsure What Comes Next?

The right support follows the symptoms, not a fixed schedule.
Our Central Fairfield team can walk you through what a plan might involve at home.