How Much Effort Should You Use During LSVT LOUD?
- Donnetta Davis MS, CCC-SLP
- 6 days ago
- 2 min read
One of the most confusing parts of LSVT LOUD is the concept of effort.
Patients often say:
“I’m trying my hardest.”
But effort in LSVT LOUD does not mean trying harder.
It means how difficult the voice feels to produce.
Watch the explanation here:
Effort Reflects Neurological Change
Parkinson’s affects the brain’s ability to regulate movement—including voice.
A louder voice may feel excessive, even when it is normal volume.
This is why therapists use an effort scale.
Why Effort Matters in LSVT LOUD
During LSVT LOUD, you should use maximum, high effort to produce a voice that feels "too loud" to you, but is actually within normal limits for listeners. This intense, "loud and long" effort is essential for re-calibrating your voice, training your brain to use a louder voice in daily communication.
Key Effort Guidelines for LSVT LOUD:
Think LOUD: The core focus is on high-effort vocal amplitude (loudness).
Feels "Too Loud": You must push past your comfort zone, as your perception of loudness is likely reduced.
Maximum Effort: Daily exercises, such as sustained "ahh" and functional phrases, require maximum, consistent effort.
Intensive Dosage: The program consists of 16 one-hour sessions (four days a week for four weeks), plus daily homework and carryover exercises.
Consistent Practice: You must apply the same high effort, loud voice to daily life, not just during therapy sessions.
The goal is to permanently improve voice and speech by working hard, similar to a physical trainer pushing you to increase muscle strength.
This Is Brain Retraining
LSVT LOUD teaches the brain to recalibrate voice perception.
Over time, loud speech begins to feel normal.
Neuroscience Principles Behind LSVT LOUD:
Neuroplasticity & Motor Learning: The treatment uses 16 high-intensity sessions in one month, which triggers structural and functional changes in the brain (activity-dependent neuroplasticity).
Sensorimotor Recalibration: Individuals with Parkinson's often have a disordered sensory perception (sensory mismatch), feeling that normal voice volume is too loud. LSVT LOUD trains them to accept a higher amplitude voice as the new, comfortable norm.
Targeting Amplitude (Loudness): Instead of focusing on articulation, it focuses on a single goal—"speak LOUD!"—which acts as a trigger to increase effort across the entire speech production system (respiratory, laryngeal, and articulation).
Top-Down Neural Modulation: Imaging studies suggest that improved voice loudness is associated with increased activity in the brain's right middle temporal gyrus, premotor cortex, and dorsolateral prefrontal cortex, which suggests that the therapy enhances auditory-motor integration.
Watch Full Explanation
Stroke Rehabilitation Services — Health & Speech PLLC
Health & Speech PLLC provides specialized speech therapy for adults recovering from stroke and other neurological conditions, including:
Aphasia
Dysarthria
Cognitive-communication disorders
Dysphagia
Serving adults with evidence-based neurological rehabilitation. Learn More: https://www.healthandspeech.com
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