Agraphia

The loss of a previously possessed facility for writing.

Loss of ability to convert thought into writing.

The condition of being unable to put ideas into writing.

Agraphia is the loss or impairment of the ability to produce written language and is the result of acquired central nervous system dysfunction. The term agraphia is often used interchangeably with dysgraphia. Agraphia may occur in isolation, but more often it is associated with disorders such as aphasia (disordered speech), dyslexia (disorder of reading), and acalculia (disorder of mathematical calculation).

Loss of the ability to write, a form of aphasia often resulting from damage to the brain, such as a brain tumor or head injury. By contrast, difficulty in writing is called dysgraphia.

Loss of ability to write one’s thoughts, caused by a lesion in the cerebral cortex of the brain.

Inability to write due to cerebral pathology.

A loss of the ability to write as a result of brain damage. Damage is commonly localized to the posterior part of the brain, although lesions elsewhere have also been associated with difficulty writing. Agraphia can be divided into the following categories: aphasic agraphia (inability to spell or use correct grammar), constructional agraphia (difficulty spacing or organizing letters correctly), and apraxic agraphia (difficulty coordinating hand movements to write).

An acquired inability to write, although the strength and coordination of the hand remain normal. It is related to the disorders of language and it is caused by disease in the ‘parietal lobe of the brain.

Agraphia refers to the loss of or diminished capacity to write, despite the normal functioning of the muscles in the hand and arm. This condition can occur due to damage in the cerebral regions responsible for the process of writing, located within the main mass of the brain known as the cerebrum.

The ability to write is reliant on a complex series of cognitive processes, encompassing the selection of appropriate words, retrieval of their correct spelling from memory, formulation and execution of the necessary hand movements, and visual verification to ensure the written words align with their mental representation. These processes occur within interconnected regions of the brain. Agraphia can arise from damage to any of these regions, often caused by head injuries, strokes, or brain tumors, and can manifest in various types and degrees of severity.