What is meant by 'severity staging' in AOS assessment?

• A. Classifying severity as mild, moderate, or severe based on intelligibility, error frequency, and functional impact.
• B. Classifying severity based on age at onset.
• C. Classifying severity based on medication response.
• D. Stage of disease progression in months.

Answer: (A)

In apraxia of speech assessment, severity staging refers to rating how strong the speech impairment is by looking at three practical indicators: intelligibility (how easily a listener can understand the speech), how often articulatory errors occur (the frequency and consistency of distortions or substitutions), and the impact on daily communication (how much it interferes with conversations). Based on these factors, clinicians categorize the severity as mild, moderate, or severe. This approach centers on the speech output and real-world communication, rather than non-speech factors like age at onset, medication response, or how many months have passed since onset.