Most memory problems are caused by damage to the brain. It may be due to an accident, an illness like a brain infection, stroke, or certain medicines. Sometimes the cause is not known.
Rarely, an emotional event can cause a problem called dissociative amnesia.
Things that may raise the risk are:
- Head and brain injuries, such as from a car accident
Brain damage from problems like:
- Alcohol or substance use disorders
- An illness that affects the brain, such as encephalitis
Complications from procedures such as:
- Electroconvulsive therapy (ECT)
- Brain surgery
- Dementia or Alzheimer disease
- Some medicines, such as those used as anesthesia
- Certain changes in the body, such as changes in blood glucose levels or a lack of oxygen
- Recent physical or emotional pain or trauma
|Areas of the Brain Affected by Dementia|
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A person may have:
- Problems recalling new or past information
- False memories
You will be asked about your symptoms and health history. The doctor will ask about your memory loss and when it started. A loved one or family member may answer these questions if the person cannot.
These tests may be done to look for a cause:
- A physical and neurological exam
- Blood tests to look for things like infections
Images of the brain may be taken to look for damage. This can be done with:
- MRI scan
- CT scan
- Cerebral angiography
- An EEG to test the brain’s electrical activity
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
Edits to original content made by Denver Health.
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