Inability to express oneself through speech is known as which term?

• A. Aphagia
• B. Aphasia
• C. Dysarthria
• D. Hemiparesis

Answer: (B)

Aphasia is a language impairment that results from damage to the brain's language areas, often after a stroke or other brain injury. It can affect speaking, understanding, reading, and writing. When the specific issue is trouble expressing thoughts in speech, the term describes expressive aspects of aphasia (speech production may be halting or non-fluent, while comprehension can be relatively preserved). The other terms don’t fit: aphagia is an inability to swallow, dysarthria is difficulty forming clear speech due to motor weakness of the speech muscles, and hemiparesis is weakness on one side of the body. So the best term for inability to express oneself through speech is aphasia.