December 28, 2019 By:

Typically, there is also damage to the left occipital lobe, and this combination results in alexia without agraphia (ie, the patient can write but not read).This is. Side, Manifestation, Comments. Neither, Alexia, Splenium of corpus collosum. Contralateral, Visual loss – homonymous hemianopia, Left occipital region. Pure alexia, also known as agnosic alexia or alexia without agraphia or pure word blindness, is one form of alexia which makes up “the peripheral dyslexia”.

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Congenital word- and letter-blindness-congenital alexia, with agraphia, without aphasia.

More severe cases are sometimes referred to as global alexia, whereas witgout forms constitute spelling dyslexia or letter-by-letter reading. Please review our privacy policy. The optic discs were normal. Moss of Stanford University has no relevant financial relationships to disclose. Journal List Cureus v. The preserved writing ability is attributed to the intact left angular gyrus, as it is the connection pathway which is destroyed with the splenium infarction and not an angular gyrus itself, which obtains its supply from the middle cerebral artery.

International Encyclopedia of Rehabilitation. The impact of severity upon implicit recognition in pure alexia”.

Studies have highlighted disrupted processing of non-linguistic visual stimuli after damage to the left pFG, both for familiar and unfamiliar objects [18] [19]. Author information Article notes Copyright and License information Disclaimer. This page was last edited on 5 Novemberat Based on the literature review, treatment of alexia without agraphia is accomplished by rehabilitation by multiple oral re-reading techniques [ 10 ].


The wjthout were asked to read the words as quickly and as accurately as possible. The treatment aims to shift patients away from the LBL reading strategy by strengthening links between visual input and the associated orthographic representations.

Site license users, click the Site License Acces link on the Homepage at an authorized computer. Lesions of spinal cord and brain. Acquired alexia is the loss of efficient reading for comprehension, despite adequate visual acuity.

Chichester, West Sussex, UK: Alexia without agraphia or pure alexia is an acquired disorder secondary to a defect in the left occipitotemporal region affecting the visual word form area VWFA.

MOR works by reading aloud the same text repeatedly until certain criteria are reached. The PCP discharged him after excluding any serious illness. Published online Jun 2. As the number of letters in a word increases, the amount witgout time it takes for the person with pure alexia increases.

Subclavian steal syndrome Upper motor neurone lesion Clasp-knife response Lower motor neurone lesion. Alexia without agraphia is a disconnection syndrome that occurs when the splenium is also wothout with the occipital lobe on a dominant side. Do not disregard or avoid professional medical advice due to content published within Cureus. These people typically adapt to their disability and are able to use a style of compensatory reading known as letter-by-letter reading. It also supplies the anterior temporal branches, the posterior temporal branches, the calcarrine branch, and the parieto-occipital branch.


Pure alexia – Wikipedia

However, the patient continued to feel the generalized malaise and a reading difficulty and thought that he needed glasses. Pure alexia exhibits some unexpected residual abilities despite the inability to read words. About the role of visual field defects in pure alexia. Retrieved 30 March Sensory ataxia Tabes dorsalis motor: The results came from an epileptic patient who showed symptoms of pure alexia after his surgery.

These and other authors have mentioned these rare findings where patients are unable to read their own handwritten words. Expressive aphasia Aboulia parietal lobe: Though there have been ample attempts to rehabilitate patients with pure alexia, few have proven to be effective on a aalexia scale.

Alexia without Agraphia

All of them supply blood to the back outer parts of the brain. If you originally registered with a username please use that to aalexia in.

Alexia without agraphia is most often acquired secondary to occlusion of the left posterior cerebral artery without involving the angular gyrus. This is meant to stimulate the damaged system of the brain.