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Ataxic Dysarthria Overview

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55 Questions

Which aspect of speech is not most noticeably affected in ataxic dysarthria?

Phonation

How is ataxic dysarthria often described by listeners perceptually?

As a pseudo accent

What function is attributed to the cerebellum in the context of speech production?

Integrating sensory information into movement execution

Which level(s) of speech production may manifest issues due to damage to the cerebellar control circuit?

Respiratory, phonatory, and articulatory levels

What are some common speech characteristics associated with ataxic dysarthria?

Atypical stress patterns and unequal stress

Apart from motor activities, what other functions are attributed to the cerebellum?

Memory and cognition

What is the most common cause of Upper Motor Neuron (UMN) damage?

Stroke

Which of the following is a clinical speech finding associated with UMN damage?

Irregular articulatory breakdowns

What is a common patient complaint associated with Upper Motor Neuron (UMN) damage?

Thick tongue

Which condition is not listed as an etiology of Mixed Dysarthria in the text?

Parkinson's disease

What symptom is characteristic of lesions in the indirect activation pathway?

Hyperactive stretch reflexes

Which disease is not mentioned as an etiology of Upper Motor Neuron (UMN) damage?

Parkinson's disease

What is the primary role of the cerebellum in speech control?

Coordinating and refining planned and ongoing speech movements

Which of the following is NOT a movement deficit associated with damage to the cerebellum?

Decreased muscle strength

What characterizes ataxic dysarthria in terms of movement?

Overshooting movements due to lack of coordination

What is dysmetria?

Inaccurate or uncoordinated movement due to undershoot or overshoot

What type of dysarthria is characterized by overshooting movements and a lack of coordination?

Ataxic dysarthria

Which of the following is a common symptom of ataxic dysarthria?

Slurred speech with excessive stress and prosody

What does the cerebellum influence in speech control through its connections to the extrapyramidal system?

Timing and accuracy of speech movements

What does the cerebellum not control in speech?

Movements' strength

Which term best describes the articulation movements in ataxic dysarthria?

Overshooting

Ataxic dysarthria is the most common type of motor speech disorder.

False

Damage to the cerebellum can manifest in any level of speech production.

True

Ataxic dysarthria is characterized by accurate force and range of motion in speech movements.

False

Perceptually, ataxic dysarthria is often described as a lack of accents by the listener.

False

The primary function of the cerebellum is to process visual information during speech production.

False

Ataxic dysarthria may present with atypical stress patterns in speech.

True

The cerebellum is responsible for the movements in speech production.

False

Cerebellar ataxia may lead to challenges with motor learning.

True

Ataxic dysarthria is characterized by undershooting movements in speech.

False

Dysmetria refers to a lack of coordination of movement with overshoot or undershoot of intended position.

True

Ataxic dysarthria may present with typical stress patterns in speech.

False

Unilateral Upper Motor Neuron Dysarthria is considered the most severe form of dysarthria.

False

Lesions in the indirect activation pathway are characteristic of ataxic dysarthria.

False

Damage to the cerebellum can manifest in any level of speech production.

True

Ataxic dysarthria is the most common type of motor speech disorder.

False

The cerebellum influences speech control primarily through connections to the direct activation pathway.

False

Lesions in the direct activation pathways can result in hyperactive stretch reflexes.

False

UMN damage is commonly caused by degenerative, inflammatory, and toxic-metabolic diseases.

False

Trauma is not a potential cause of UMN damage.

False

In ataxic dysarthria, phonation is often characterized by a decreased loudness.

False

Spasticity is a common symptom of lesions in the indirect activation pathway.

True

Mixed Dysarthria is characterized by any one of the components predominating over others.

True

________ processes sensory information from all over the body and integrates that information into execution of a movement

Cerebellum

Which structure is responsible for coordinating movement, planning motor activities, learning and remembering physical skills, and some cognitive abilities?

Cerebellum

The cerebellum has a dual ability to coordinate and modify planned and ongoing speech movements by the cerebellum.

The cerebellum has a dual ability to and planned and ongoing speech movements by the cerebellum.

You are assessing an individual with suspected dysarthria. The demonstrate difficulty coordinating voluntary movements, and coordinating the force of movements. They also have a broad-based gait and hypotonia of muscles. Which dysarthria type is likely?

Ataxic

An individual with Ataxic dysarthria will have a normal oral mechanism exam.

True

Which of the follow assessment tasks may be irregular for individuals with ataxic dysarthria?

Non-speech AMRs

Which is the most mild form of dysarthria?

Unilateral Upper Motor Neuron

Which of the following is not a result of lesions in the direct activation pathway?

Spasticity

Which of the following is not a result of lesions in the indirect pathway

Loss/impairment of fine, skilled movement

What is the most prominent perceptual speech characteristic of unilateral upper motor neuron dysarthria?

Irregular articulatory breakdowns

A patient complains that their speech sounds slurred, their lower face is drooping, drooling, and mild swallowing difficulty. Which dysarthria type is most likely?

Mixed

Which dysarthria type accounts for 27% of all dysarthrias?

Mixed

Learn about Ataxic Dysarthria, which accounts for 13.3% of motor speech disorders and 14.6% of all dysarthrias. It is caused by damage to the cerebellum, affecting respiratory, phonatory, resonatory, and articulatory levels of speech. Symptoms include atypical stress patterns, incoordination, and reduced muscle tone.

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