LAB Vestibular Interventions

Question 1

Habituation

Answer 1

Decrease in response to a repeated benign stimulus

Question 2

Short-term habituation results after ____ minutes of stimulation. It results in what kind of changes?

Answer 2

<30 minutes
- Presynaptic changes, transient

Question 3

Long-term Habituation results after ________ minutes of stimulation. It results in what kind of changes?

Answer 3

> 30 minutes
- Post-synaptic changes, long-term effects

Question 4

What is the purpose of Gaze Stability Exercises?

Answer 4

Used to improve control of eye movements so vision remains clear during head movement.

Question 5

Adaptation:

Answer 5

Strengthening of the vestibular system to improve function.

Ex: VOR x1 or VOR x2

Question 6

Substitution

Answer 6

Promotes alternative strategies

Ex: Smooth Pursuit

Question 7

How does dosage change for balance HEP when the patient has unilateral vestibular hypofunction compared to bilateral vestibular hypofunction?

Answer 7

Unilateral: 20 min daily 4-6 weeks
Bilateral: 20 min daily 6-9 weeks

Question 8

How do reccomendations for frequency of PT vary for those with acute/subacute unilateral vestibular dysfunction, those with chronic unilateral and those with bilateral dysfunction?

Answer 8

Acute/Subacute: 1x 2-3 weeks
Chronic: 1x 4-6 weeks
Bilateral 1x 5-7 weeks

Question 9

Describe how gaze stability exercises vary for those with acute/subacute unilateral vestibular dysfunction, those with chronic unilateral and those with bilateral dysfunction?

Answer 9

Acute/Subacute: 12min/day
Chronic: 20 min 4-6 weeks
Bilateral: 20-40 min 5-7 weeks
MINIMUM 3x daily