Dementia vs Amnesia: Main difference

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According to National Library of Medicine search on Dementia vs Amnesia, lets start with Dementia It’s is more dangerous and shows different signs like hard to remember things and difficult to talk also your problem solving sense does not work right. It is not only about memory but a general decline that cause trouble with brain function.

It’s come from different things like Alzheimer’s, vascular issues, or due to some kind of infections. It is unlike amnesia because it does not get better and it need more care and family support if you one to cure a  person.

Symptoms of Dementia:

Its is a set of sickness that makes your daily life routine hard cause different issues with remembering, speaking, and thinking.

  1. Forgetting things or events
  2. Problem in speaking
  3. Can not think properly
  4. Problems with your vision like hard to identify colors or things 
  5. Problem solving issues because mind does not function well
  6. Personality Changes like mode swing and feeling angry
  7. You will be confuse to remember other people faces
  8. Your writing skills gets bad and it’s hard to write

What Are The Types And Causes of Dementia:

Alzheimer's Disease:

Lots of people with dementia have this. It’s when the brain has strange protein buildup.

Vascular Dementia:

Happens when not enough blood goes to the brain, often because of a stroke.

Lewy Body Dementia:

Brain has abnormal proteins, leading to hallucinations and problems with thinking.

Frontotemporal Dementia (FTD):

Affects parts of the brain, causing changes in personality and talking.

Parkinson's Disease Dementia:

Affects movement and thinking, often in people with Parkinson’s.

Huntington's Disease:

A gene problem causing brain cells to break down.

Creutzfeldt-Jakob Disease (CJD):

A rare, serious brain issue.

Normal Pressure Hydrocephalus (NPH):

Too much fluid in the brain, causing walking and thinking problems.


Amnesia disease

Amnesia is like a forgetfulness disorder. It means having trouble remembering things—whether it’s past events or recent stuff. This memory loss can be picky, affecting specific memories or everything in general.

Symptoms of Amnesia:


The main sign of amnesia is having a hard time remembering things—stuff from the past, recent events, or even people.

Picky Memory Loss:

Sometimes, it’s not all memories but specific ones that are tricky to recall.

Trouble Making New Memories:

 It can be tough to remember new things that happen after amnesia starts.

Mix-up About Identity:

People with amnesia might get confused about who they are or have trouble recognizing familiar faces.

Lost in Time and Place:

Feeling disoriented and not sure about what time it is or where they are.

Hard Learning New Stuff:

Difficulty picking up and remembering new information or skills.

Causes of Amnesia:

Head Injuries:

 Bumps or serious injuries to the head, like from accidents, can cause amnesia.

Emotional Shock:

Really intense emotions or stress, like seeing something traumatic, can trigger amnesia.

Health Issues:

Certain medical problems, like epilepsy, brain infections, or tumors, can lead to amnesia.

Drinking or Drugs:

Alcohol or drug abuse can mess with memory and cause amnesia.


A stroke, which affects blood flow to the brain, can result in memory problems and amnesia.

Temporary Memory Loss:

Sometimes, stress or other factors can cause a short-term memory loss episode known as Transient Global Amnesia (TGA).

Shock Therapy (ECT):

In some cases, a treatment called electroconvulsive therapy (ECT) for mental health issues can lead to memory loss.

Brain Diseases:

Although not as common, certain brain diseases can make memory fade away bit by bit.


Dementia vs Amnesia: The main difference?


  • Age is a risk. Dementia appears in older age.
  • Impairment of cognitive functions.
  • The leading causes are genetics and heart disorders.
  • The process of getting dementia is slow.


  • Age is not a risk. Amnesia appears in youth as well.
  • Memory loss.
  • The main reasons are brain injuries and alcoholism.
  • The process of getting amnesia is sudden

Dementia vs Amnesia Are Amnesia and Dementia the Same?

No, they’re not the same. Amnesia is about memory problems, while dementia is when memory and other thinking things get worse.

How Dementia is Caused?

Dementia can happen because of different things, like Alzheimer’s, brain issues, or diseases. It depends on the type of dementia.

How Can a Person Recover from Dementia?

Most times, dementia keeps getting worse. There’s no cure, but treatments can help with the symptoms and make life better.

How We Can Avoid Dementia?

There’s no sure way to stop dementia, but a healthy lifestyle can help. This includes keeping the brain and body active, eating well, taking care of the heart, and not drinking too much.

When Does The Dementia Start?

Dementia can start at different ages. Alzheimer’s usually starts after 60, but some types can begin earlier, even in the 40s or 50s. Regular check-ups with the doctor can catch early signs.

How Long Do Dementia Patients Live?

It depends on things like the type of dementia, how healthy they are, and their age when diagnosed. For Alzheimer’s, the most common dementia type, on average, people live around 8 to 10 years after they start showing symptoms. But this can be different for each person.


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