Aphasia Meaning=>
Aphasia is a neurological language disorder that affects a person's ability to speak, understand language, read, or write because of damage to the language areas of the brain.
Aphasia does not necessarily affect intelligence.
A person may know exactly what they want to say but have difficulty expressing it.
Causes=>
Common causes
1. Stroke => the most common cause of sudden aphasia.
2. Traumatic brain injury.
3. Brain tumors.
4. Brain infections, such as encephalitis.
5. Neurodegenerative diseases, including primary progressive aphasia.
Symptoms=>
Types of aphasia
1. Broca's aphasia (Expressive aphasia)
- Difficulty speaking or forming sentences
- Speech is slow and requires effort
- Understanding is often relatively preserved
Example: "Want... water" instead of "I want some water."
2. Wernicke's aphasia (Receptive aphasia)
- Speech may be fluent but confusing or meaningless
- Difficulty understanding spoken language
- May not recognize their own language errors
3. Global aphasia
- Severe difficulty speaking and understanding language
- Reading and writing are also significantly affected
- Often results from extensive brain damage
4. Anomic aphasia
- Difficulty finding the correct words, especially names of objects
- Speech and comprehension may otherwise be relatively normal
Aphasia vs. Dysarthria
Aphasia | Dysarthria |
|---|---|
Language disorder | Motor speech disorder |
Difficulty finding or understanding words | Difficulty controlling muscles used for speech |
May affect reading and writing | Language understanding is generally preserved |
Speech may contain incorrect words | Speech may be slurred or unclear |
Important: Sudden difficulty speaking or understanding language may indicate a stroke. Call 911 immediately, even if symptoms improve.
