visual aphasia
Noun: A neurological condition characterized by the inability to understand or comprehend written words, despite having normal vision and intelligence. It is a type of agnosia specific to written language.
Noun: - The stroke resulted in visual aphasia, leaving the patient unable to read the newspaper. - Visual aphasia is distinct from blindness; individuals can see the letters but cannot process their meaning. - Rehabilitation for visual aphasia often involves retraining the brain to associate symbols with words.
- Clinical Context: The term is used primarily in medical, neurological, and psychological contexts to diagnose and describe a specific reading disorder.
- Differential Diagnosis: It is important to distinguish from other conditions like dyslexia or general aphasia, which affect different language processes.
- Alexia: A synonym often used interchangeably with , specifically meaning the loss of the ability to read.
- Word Blindness: An older, non-clinical term for the same condition.
- Agnosia: The broader category of perception disorders to which belongs.
- Alexia
- Word Blindness (historical term)
This term refers specifically to an acquired disorder, typically resulting from brain injury (e.g., stroke, trauma), rather than a developmental condition. The core deficit is in comprehending the visual form of words, not in producing speech or understanding spoken language.
- inability to perceive written words