What is the difference between alexia and agraphia?

Alexia (or dyslexia) is defined as an acquired impairment affecting reading ability. Alexia is traditionally classified according to the site of anatomic damage and the presence or absence of deficits in writing (agraphia) and oral language (aphasia).

What is a agraphia?

Agraphia is an impairment or loss of a previous ability to write. Agraphia can occur in isolation, although it often occurs concurrently with other neurologic deficits such as alexia, apraxia, or hemispatial neglect.

What is alexia disorder?

Alexia means the inability to comprehend written material. The patients’ ability to write and spell is intact, but they are unable to spontaneously read, even what they have written seconds ago. Other features of language, such as speech comprehension, are usually intact.

What is aphasia with agraphia?

Aphasia. Agraphia is the loss of the ability to write. Aphasia usually refers to the loss of the ability to speak. Alexia, on the other hand, is the loss of the ability to recognize words you once could read.

What is the difference between alexia and dyslexia?

Alexia, or acquired dyslexia, refers to a deficit in reading following damage to the brain in previously literate individuals. Alexia is different from developmental dyslexia, which is a developmental deficit in learning to read.

What causes alexia?

Pure alexia is usually caused by an occlusion of distal (posterior) branches of the left posterior cerebral artery. The resultant damage is believed to interrupt the transfer of neural information from the visual cortex to the language cortex.

What is aphasia Alexia?

Aphasic alexia designates the reading disturbance that accompanies prominent impairments in oral language. When patients with damage that includes Broca’s area read aloud, their words are spoken slowly and effortfully.

Where is the lesion in Alexia without agraphia?

Alexia without Agraphia (Pure Alexia) Figure 3.15 shows a case with alexia without agraphia. The lesion extends from the occipital cortex deep into the white matter, reaching the left lateral ventricle at the level of the trigone and occipital horn (the paraventricular area).

What is the difference between dysphasia and aphasia?

Some people may refer to aphasia as dysphasia. Aphasia is the medical term for full loss of language, while dysphasia stands for partial loss of language.