Aphasia vs Dysarthria – What is the difference?

Dysarthria and aphasia are both communication disorders that can result from brain damage, but they affect speech and language in different ways:


  • Dysarthria is a motor speech disorder where the muscles used for speech are weak, slow, or uncoordinated. This results in slurred or unclear speech because the physical production of speech sounds is affected. It’s like having the right words and sentences in mind, but the mouth, lips, tongue, and throat can’t coordinate properly to say them clearly.


  • Aphasia, on the other hand, is a language disorder that affects the ability to communicate effectively. It can impact speaking, understanding, reading, and writing. People with aphasia may know what they want to say but have trouble finding the right words or forming coherent sentences. It’s as if the language system in the brain has been disrupted, affecting the formulation and comprehension of language.


Here’s a simple way to distinguish them:

Dysarthria: **Speech** is difficult due to muscle control problems.

Aphasia: **Language** is difficult due to brain-based language processing issues.


Both conditions can be caused by similar neurological events, such as strokes or brain injuries, but their treatment and management strategies differ. Speech-language therapy can help individuals with either condition to improve their communication abilities.


Remember, if you or someone you know is experiencing sudden speech or language difficulties, it’s important to seek medical attention immediately as these can be signs of a stroke or other serious neurological condition. 🚨👩‍⚕️



(1) What is the difference between dysarthria and aphasia?. https://microsoftstart.msn.com/en-us/health/ask-professionals/in-expert-answers-on-dysarthria/in-dysarthria?questionid=5qjv8wf4&type=condition&source=bingmainline_conditionqna.

(2) Aphasia vs. dysarthria: Differences, types, and more – Medical News Today. https://www.medicalnewstoday.com/articles/aphasia-vs-dysarthria.

(3) What is Dysarthria? | Dysarthria vs. Aphasia | Lingraphica. https://www.aphasia.com/aphasia-library/related-conditions/dysarthria/.

(4) Aphasia vs. Dysarthria: What‘s the Difference? – Healthgrades. https://www.healthgrades.com/right-care/brain-and-nerves/aphasia-vs-dysarthria.

(5) undefined. https://microsoftstart.msn.com/.

Verified by Dr. Petya Stefanova