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Related Experiment Video

Updated: Jan 28, 2026

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Published on: August 30, 2019

Beyond binary parcellation of the vestibular cortex - A dataset.

V Kirsch^1,2,3, R Boegle^2,3, D Keeser^4,5

¹Department of Neurology, Ludwig-Maximilians Universität, Munich, Germany.

|February 22, 2019

Summary

This study reveals handedness-related patterns in the human vestibular cortex using fMRI. Data show distinct functional subunits, supporting a multisensory view of this brain region.

Keywords:

A1, Primary auditory cortex ACC, Anterior cingulate cortex BA, Brodmann areal C, Common cluster CSF, Cerebrospinal fluid IC, Independent component ICA, Independent component analysis IPL, Inferior parietal lobule L, Left L-I, Laterality-index LH, Left-handed M/STG, Middle and superior temporal gyrus M1, Primary motor cortex MR, Magnetic resonance MRI, Magnetic resonance imaging MST, Medial superior temporal area MSTd, Dorsal medial superior temporal area MT, Middle temporal area OP, Operculum OP2, Operculum 2 P, Parcel P-P, Parcel to parcel correlation P-RSN, Parcel to resting state network correlation PET, Positron emission tomography PIVC, Parieto-insular vestibular cortex R, Right RH, Right-handed ROI, Region of interest RSN, Resting-state network S1, Primary somatosensory cortex SD, Standard deviation SMA, Supplementary motor area STG, Superior temporal gyrus SVV, Subjective visual vertical TP, Temporo-parietal U, Unique voxel V1–5, Primary, secondary and tertiary visual cortices VOG, Video-oculography VOR, Vestibular-ocular reflex VPS, Visual posterior sylvian area fCBP, Functional connectivity based parcellation

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Area of Science:

Neuroscience
Neuroimaging
Human Brain Anatomy

Background:

The human vestibular cortex integrates multisensory information.
Understanding its functional organization is crucial for neuroscience.
Previous studies have explored cortical networks, but vestibular network parcellation requires further investigation.

Purpose of the Study:

To investigate handedness-dependent organizational patterns within the human vestibular cortical network.
To explore the multisensory nature of the vestibular cortex using advanced neuroimaging techniques.
To provide supplementary data for understanding functional brain networks.

Main Methods:

Resting-state functional magnetic resonance imaging (fMRI) was employed on 60 healthy volunteers (30 left-handed, 30 right-handed) using a 3T MR scanner.
Functional connectivity parcellation was performed to identify distinct functional subunits.
Masked binary and non-binary variations of independent component analysis (ICA) were utilized to analyze the data.

Main Results:

Handedness-dependent organizational patterns were identified within the human vestibular cortical network.
The study supports the multisensory (non-binary) nature of the vestibular cortex.
Functional subunits within the network exhibited distinct connectivity patterns related to handedness.

Conclusions:

The findings highlight the influence of handedness on the functional organization of the vestibular cortex.
The results contribute to a deeper understanding of the multisensory integration within this brain region.
The publicly available dataset facilitates further research into vestibular cortical networks.