Dementia vs Alzheimer’s

Dementia vs Alzheimer’s ? What are the differences between them? Dementia and Alzheimer’s are actually a brain disorder that signed by difficult to remember many things.

Dementia and Alzheimer’s are usually in elderly. But we have to keep in our mind that dementia and Alzheimer’s are not normal in elderly. Dementia and Alzheimer’s are a big problem in elderly. Although they have many similarities, both have differences.

What are the differences between dementia and Alzheimer’s? Dementia definition is a cluster of symptoms. Those symptoms disturb cognitive function such as communicating, and doing activity daily living. Dementia word defines inability thinking. It means that there are more than one cognitive disorder in dementia.

How about Alzheimer’s?

Alzheimer’s is one of diseases of dementia.

Alzheimer’s could be a specific form of dementia. It is different from infection or physical diseases, Alzheimer’s causes permanent brain injury. There is no cure for Alzheimer’s till today. Alzheimer’s is kind of disease that develop progressive and slowly. The first diagnosis of Alzheimer’s is always in 60 years old.

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Dementia vs Alzheimer’s Sign and Symptoms

Dementia and Alzheimer’s have many signs and symptoms. Both are signed by lower brain function in thinking and remembering, difficult in language, and personality changes.

The first symptoms of dementia are difficult in decision-making, and Alzheimer’s symptoms is difficult in thinking and remembering. The symptoms of Alzheimer’s tend to be dementia symptoms step by step.

Dementia Types

Dementia types depends on the etiology. Some of those dementia types is as follows;

1. Vasculary Dementia

Vasculary Dementia is a cognitive disturbance that occur in stroke patient and it is felt often unconsciously. Stroke patient that had recovered from stroke, without paralysis, or with no stroke diagnosis could develop dementia. The only cause of it is vascular clots or bleeding in the brain. Dementia symptoms in stroke depends on brain area.

The symptoms of vascular dementia;

  • Memory lost
  • Languages disturbances
  • Difficult in recognizing form and sound
  • Confuse
  • Mood and personality changes
  • Tend to be fall.

2. Lewy Bodies Dementia

Lewy body dementia is a phrase for alpha-synuclein protein accumulation in brain Grey matter. This condition causes brain function changes associated with dementia. Lewy bodies dementia sign and symptoms are:

  • Insomnia
  • Unable to think, decision-making, and focus
  • Remembering difficulty
  • Hallucination
  • Blank out
  • Fatigue and slow movement.

3. Dementia in Parkinson’s disease

Dementia in Parkinson’s disease is caused by brain injury, it is similar with Lewy Bodies Dementia, but alpha-nuclein protein accumulation occurs in substantial nigra. The protein accumulation bother dopamine secretion. The symptoms of this type of dementia appear after 10 years of Parkinson’s disease.

4. Frontotemporal Dementia

The main causes of frontotemporal dementia are front brain damage that is caused by protein accumulation, and brain disease that is caused by TDP43 protein. The symptoms of frontotemporal dementia are behavior changes like in Lewy Bodyies Dementia.

5. Huntington Disease

Huntington disease is a genetic disease. This disease rises dementia symptoms in 30 -5 50 years old such as:
Thinking and remembering difficulty.

  • Difficulty in decision-making.
  • Concentration disease.

6. Creutzfeldt – Jakob Dementia

This is a type of dementia where the patient have brain injury. This is caused by prion protein that can cause brain abnormality. It develops to be dementia. Prion protein exposure toward brain will cause progressive and worsen dementia symptoms. Those symptoms are;

  • Confuse
  • Mood swings
  • Depresion
  • Insomnia
  • Inability to walk

7. Hydrocephalus dementia

Hydrocephalus dementia is a type of dementia where the brain has fluid accumulation. The symptoms of hydrocephalus dementia are:

  • Inability to walk
  • Difficulty in think and focus
  • Personality and behavior changes
  • The dementia will be better if the fluid accumulation decreased.

8. Wernecke – Korsakoff Syndrome

Patient with alcoh*l abuse experiences this dementia. It maybe caused by B1 deficiency. The symptoms of Wernicke – Korsakoff relate to memory loss, but the cognitive ability is in normal range.


Dementia vs Alzheimer’s is similar, but you have to distinguish them for better understanding. In conclusion, the deference in Dementia vs Alzheimer’s is only in definition. Dementia is a disease that has many types, including Alzheimer’s. So Alzheimer’s is a part of dementia. Is it clear enough?