Alexic Anomia

(Alexia; Word Blindness; Text Blindness; Visual Aphasia)

Definition

Alexic anomia happens when you lose your ability to understand written words. You can no longer read and name words. This is a type of aphasia, which is a language disorder. It is caused by the brain not functioning correctly. This is a serious condition that may change over time, depending on the cause.
Stroke—Most Common Cause of Alexic Anomia
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Causes

Alexic anomia is caused by damage to the language areas of the brain, for example:

Risk Factors

Alexic anomia is more common in older people. Other factors that may increase your chance of alexic anomia include:

Symptoms

Symptoms include:
  • Inability to read with understanding
  • Ability to write, but not read what you have written

Diagnosis

Your doctor will ask about your symptoms and medical history. A physical exam will be done. A neurological examination and tests may also be done to check brain function.Imaging tests are used to evaluate the brain and other structures. These may include:You may be referred to a neurologist. This is a doctor who specializes in diseases of the nervous system.

Treatment

Talk with your doctor about the best plan for you. Treatment options include the following:
  • Speech-language therapy—to help you use your ability to communicate, regain lost abilities, learn to make up for language problems, and learn other methods to communicate
  • Counseling —to help you cope with your condition and help your family learn how to communicate with you
  • Individualized rehabilitation program—to focus on what caused your condition

Prevention

Since stroke is a common cause of aphasia, follow these guidelines to help prevent stroke:
  • Exercise regularly.
  • Eat plenty of fruits and vegetables .
  • Limit salt and fat in your diet.
  • If you smoke, talk to your doctor about how to successfully quit.
  • If you drink, do so in moderation. Moderation is 2 or less drinks per day for men and 1 or less drinks per day for women.
  • Maintain a healthy weight.
  • Control your blood pressure.
  • Ask your doctor if you should take low-dose aspirin.
  • Properly treat and control chronic conditions, like diabetes.
If you have signs of a stroke, call for emergency medical services right away.

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RESOURCES

National Aphasia Association
http://www.aphasia.org

National Institute of Neurological Disorders and Stroke
http://www.ninds.nih.gov

CANADIAN RESOURCES

The Aphasia Institute
http://www.aphasia.ca

Brain Injury Association of Alberta
http://www.biaa.ca

References

Aphasia. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated September 2, 2012. Accessed May 16, 2013.

Aphasia information page. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/aphasia/aphasia.htm. Updated July 9, 2012. Accessed May 16, 2013.

Cherny LR. Aphasia, alexia, and oral reading. Top Stroke Rehabil. 2004;11:22-36.

Freedman L, Selchen DH, et al. Posterior cortical dementia with alexia: neurobehavioural, MRI, and PET findings. J Neurol Neurosurg Psychiatry. 1991;54;443-448.

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