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Related Experiment Video

Updated: Jul 13, 2026

Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm

Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm

Published on: April 28, 2020

[Subjective visual vertical evaluation in normal Brazilian subjects].

Aline M Kozoroski Kanashiro¹, Cristiana Borges Pereira, Fernanda Martins Maia

¹Departamento de Neurologia da FMUSP.

Arquivos De Neuro-Psiquiatria

|August 1, 2007

Summary

Subjective visual vertical (SVV) testing assesses otolith function. While mean SVV values remained consistent across age groups, older individuals exhibited greater variability in their results.

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Last Updated: Jul 13, 2026

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Published on: May 23, 2013

Area of Science:

Vestibular system research
Neuroscience
Ophthalmology

Context:

Otolith function is crucial for spatial orientation.
Subjective visual vertical (SVV) testing quantifies this function.
Assessing SVV aids in diagnosing vestibular disorders.

Purpose:

To evaluate subjective visual vertical (SVV) in a Brazilian population sample.
To utilize a portable device for accessible SVV measurements.
To analyze SVV variations across different age groups.

Summary:

SVV was measured in 160 healthy Brazilian subjects (16-85 years).
Mean SVV values ranged from -2.0 to +2.4 degrees (mean=0.18, SD=0.77).
No significant difference in mean SVV was found across age groups, but variance increased with age.

Impact:

Establishes normative SVV data for a Brazilian cohort.
Highlights age-related changes in SVV variability, not mean values.
Demonstrates the utility of portable devices for vestibular function assessment.