Which respiratory characteristic is commonly associated with hyperkinetic dysarthria?

Hyperkinetic dysarthria is characterized by abnormal, excessive movements that can affect speech production. One of the key respiratory characteristics associated with this type of dysarthria is excessive loudness variations. Individuals with hyperkinetic dysarthria may demonstrate unpredictable loudness changes as a result of involuntary movements and vocal tremors, which can lead to fluctuating intensity during speech.

This excessive loudness variation contributes to the overall speech characteristics of hyperkinetic dysarthria, making speech sound less controlled and more erratic. The presence of these variations can make it challenging for listeners to comprehend the speech clearly, as the distractive nature of the inconsistent loudness can overshadow the intended message.

In contrast, the other options describe characteristics that are less associated with hyperkinetic dysarthria. A consistent monotone voice and reduced vocal intensity are more indicative of conditions that result in less dynamic speech and less variability in loudness. Increased breath support, while it may be beneficial for speech in certain conditions, does not necessarily align with the features of hyperkinetic dysarthria, which focuses more on the erratic nature of speech rather than the stability of breath support. Hence, the excessive loudness variations accurately reflect the unique speech pattern seen in individuals