(Alexia; Word Blindness; Text Blindness; Visual Aphasia)
DefinitionAlexic 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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CausesAlexic anomia is caused by damage to the language areas of the brain, for example:
- Stroke , which is the most common cause
- Severe blow to the head
- Traumatic brain injury
- Brain tumor
- Brain infection
- Other brain conditions
Risk FactorsAlexic anomia is more common in older people. Other factors that may increase your chance of alexic anomia include:
- Increasing age
- Being at risk for stroke or dementia
- Having a history of transient ischemic attacks (TIAs)
- Inability to read with understanding
- Ability to write, but not read what you have written
DiagnosisYour 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:
TreatmentTalk 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
PreventionSince 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.
National Aphasia Association
National Institute of Neurological Disorders and Stroke
The Aphasia Institute
Brain Injury Association of Alberta
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.
- Reviewer: Rimas Lukas, MD
- Review Date: 01/2015
- Update Date: 05/07/2014
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