Vestibular precision at the level of perception, eye movements, posture, and neurons

A Diaz-Artiles, F Karmali - Neuroscience, 2021 - Elsevier
Precision and accuracy are two fundamental properties of any system, including the nervous
system. Reduced precision (ie, imprecision) results from the presence of neural noise at …

[HTML][HTML] Human vestibular perceptual thresholds—A systematic review of passive motion perception

DC Fitze, FW Mast, M Ertl - Gait & posture, 2024 - Elsevier
Background: The vestibular system detects head accelerations within 6 degrees of freedom.
How well this is accomplished is described by vestibular perceptual thresholds. They are a …

Impact of canal-otolith integration on postural control

AR Wagner, MJ Kobel, DM Merfeld - Frontiers in Integrative …, 2021 - frontiersin.org
Roll tilt vestibular perceptual thresholds, an assay of vestibular noise, have recently been
shown to be associated with suboptimal balance performance in healthy older adults …

Determining thresholds using adaptive procedures and psychometric fits: evaluating efficiency using theory, simulations, and human experiments

F Karmali, SE Chaudhuri, Y Yi, DM Merfeld - Experimental brain research, 2016 - Springer
When measuring thresholds, careful selection of stimulus amplitude can increase efficiency
by increasing the precision of psychometric fit parameters (eg, decreasing the fit parameter …

Perceptual precision of passive body tilt is consistent with statistically optimal cue integration

K Lim, F Karmali, K Nicoucar… - Journal of …, 2017 - journals.physiology.org
When making perceptual decisions, humans have been shown to optimally integrate
independent noisy multisensory information, matching maximum-likelihood (ML) limits. Such …

Visual and vestibular perceptual thresholds each demonstrate better precision at specific frequencies and also exhibit optimal integration

F Karmali, K Lim, DM Merfeld - Journal of Neurophysiology, 2014 - journals.physiology.org
Prior studies show that visual motion perception is more precise than vestibular motion
perception, but it is unclear whether this is universal or the result of specific experimental …

Impact of gravity on the perception of linear motion

MJ Kobel, AR Wagner… - Journal of …, 2021 - journals.physiology.org
Accurate perception of gravity and translation is fundamental for balance, navigation, and
motor control. Previous studies have reported that perceptual thresholds for earth-vertical …

Improving self-motion perception and balance through roll tilt perceptual training

AR Wagner, MJ Kobel, J Tajino… - Journal of …, 2022 - journals.physiology.org
The present study aimed to determine if a vestibular perceptual learning intervention could
improve roll tilt self-motion perception and balance performance. Two intervention groups …

Impacts of rotation axis and frequency on vestibular perceptual thresholds

AR Wagner, MJ Kobel, DM Merfeld - Multisensory Research, 2022 - brill.com
In an effort to characterize the factors influencing the perception of self-motion rotational
cues, vestibular self-motion perceptual thresholds were measured in 14 subjects for …

Whole body motion-detection tasks can yield much lower thresholds than direction-recognition tasks: implications for the role of vibration

SE Chaudhuri, F Karmali… - Journal of …, 2013 - journals.physiology.org
Earlier spatial orientation studies used both motion-detection (eg, did I move?) and direction-
recognition (eg, did I move left/right?) paradigms. The purpose of our study was to compare …