UUMN dysarthria may present with which of the following characteristics?

UUMN dysarthria, which stands for Upper Motor Neuron dysarthria, is characterized by a combination of symptoms due to damage to the upper motor neurons. The correct answer encompasses both spasticity and weakness as defining features of this type of dysarthria.

Spasticity is a hallmark of upper motor neuron lesions that leads to increased muscle tone and rigidity. In UUMN dysarthria, this can manifest in speech as a harsh or strained voice quality due to the difficulty in controlling the muscles involved in speech production. The increased tone can cause difficulty with the initiation of speech and can affect the clarity of sounds produced.

Weakness, on the other hand, is also a notable characteristic seen in UUMN dysarthria. While UUMN typically presents with spasticity, some degree of weakness can also occur, which can contribute to reduced precision in articulation. This weakness often arises from the ineffective transmission of signals from the brain to the muscles required for speech, impacting the overall strength and agility needed during speech production.

Thus, the presence of both spasticity and weakness together accounts for the distinct speech patterns and challenges faced by individuals with UUMN dysarthria. These combined motor impairments lead to specific speech characteristics