Alzheimer’s disease
A progressive brain disorder that starts with memory loss and worsens over time.
What makes it different?
It begins in the hippocampus (memory center) and is marked by amyloid plaques and tau tangles.
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Thank you for stepping into the world of dementia with compassion. Memory, behavior, and connection may shift — but dignity and love remain. Your willingness to learn helps families feel seen and supported.
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Variant's of Dementia
Did you know there are different types of dementia?
Explore the variations and learn what makes each one unique.
Vascular dementia
Cognitive decline caused by reduced blood flow to the brain, often after strokes or mini‑strokes.
What makes it different?
Symptoms depend on where blood flow was lost — often more “step‑like” decline.
Lewy body dementia
A dementia caused by abnormal protein deposits called Lewy bodies.
What makes it different?
Strong fluctuations in alertness, visual hallucinations, and Parkinson‑like movement symptoms.
Frontotemporal dementia (FTD)
A group of disorders affecting the frontal and temporal lobes.
What makes it different?
Early changes in personality, behavior, or language rather than memory.
Mixed dementia
A combination of two or more dementias, most commonly Alzheimer’s + vascular.
What makes it different?
Symptoms blend together, making diagnosis more complex.
Parkinson’s disease dementia
Cognitive decline that develops after years of Parkinson’s movement symptoms.
What makes it different?
Dementia appears after established Parkinson’s, unlike Lewy body dementia where cognitive symptoms appear early.
Creutzfeldt‑Jakob disease (CJD)
A rare, rapidly progressing dementia caused by misfolded prion proteins.
What makes it different?
Progresses extremely fast — often within months.
Korsakoff syndrome
Memory disorder caused by severe thiamine (vitamin B1) deficiency, often linked to alcohol misuse.
What makes it different?
Severe short‑term memory gaps but relatively preserved long‑term memories.
Normal pressure hydrocephalus (NPH)
A buildup of cerebrospinal fluid causing pressure on the brain.
What makes it different?
Classic triad — walking problems, urinary issues, and memory changes — and can sometimes be reversible with treatment.
Posterior cortical atrophy (PCA)
A rare, visual‑processing form of Alzheimer’s disease.
What makes it different?
Vision and spatial problems appear first, not memory loss.
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Frequently Asked Questions
All information is based on public, widely accepted knowledge and is written for education and awareness only, not diagnosis.
Dementia is a general term for changes in memory, thinking, and daily functioning caused by changes in the brain. It is not one disease — it is a group of conditions that affect how the brain works.
No. Memory loss can happen for many reasons. Dementia includes memory changes plus changes in thinking, behavior, or daily abilities.
Dementia can be caused by:
Changes in brain cells
Reduced blood flow to the brain
Abnormal protein buildup
Genetic factors
Long‑term health conditions
Each type of dementia has its own cause.
The most widely recognized types include:
Alzheimer’s disease
Vascular dementia
Lewy body dementia
Frontotemporal dementia
Mixed dementia
Parkinson’s disease dementia
Normal pressure hydrocephalus
Posterior cortical atrophy
Korsakoff syndrome
Creutzfeldt‑Jakob disease
Each type has its own pattern of symptoms.
Alzheimer’s is one type of dementia — the most common one.
Dementia is the umbrella term; Alzheimer’s is one condition under that umbrella.
Common early signs include:
Forgetting recent events
Difficulty planning or organizing
Getting confused in familiar places
Trouble finding words
Changes in mood or personality
These signs vary by person and by dementia type.
Most types of dementia progress over time, but the speed and pattern vary. Some forms progress slowly; others change more quickly.
Most dementias cannot be reversed, but a few conditions — such as Normal Pressure Hydrocephalus or vitamin‑related memory problems — may improve with treatment.
Only a healthcare professional can determine the cause.
Healthcare professionals may use:
Cognitive tests
Neurological exams
Brain imaging
Medical history
These tools help determine the cause of symptoms.
There is no guaranteed prevention, but research suggests that heart‑healthy habits, staying mentally active, and staying socially engaged may support brain health.
There is no guaranteed prevention, but research suggests that heart‑healthy habits, staying mentally active, and staying socially engaged may support brain health.
Helpful approaches include:
Keeping routines consistent
Using simple communication
Reducing clutter
Offering reassurance
Creating safe spaces
Small adjustments can make daily life easier.
No. Aging can cause slower thinking, but dementia is not a normal part of getting older.
If memory, behavior, or thinking changes begin affecting daily life, it’s important to consult a healthcare professional.