Search Results - "Clark, Torin K."

Vestibular perceptual thresholds for rotation about the yaw, roll, and pitch axes by Allred, Aaron R., Clark, Torin K.

“…This effort seeks to further assess human perception of self-motion by quantifying and comparing earth-vertical rotational vestibular perceptual thresholds…”
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Unpacking Galvanic Vestibular Stimulation using simulations and relating current flow to reported motions: Comparison across common and specialized electrode placements by Truong, Dennis Q, Thomas, Chris, Ira, Sanjidah, Valter, Yishai, Clark, Torin K, Datta, Abhishek

“…Galvanic Vestibular Stimulation (GVS) is a non-invasive electrical stimulation technique that is typically used to probe the vestibular system. When using…”
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Humans gradually integrate sudden gain or loss of visual information into spatial orientation perception by Voros, Jamie, Kravets, Victoria, Smith, Kieran, Clark, Torin K

“…Vestibular and visual information is used in determining spatial orientation. Existing computational models of orientation perception focus on the integration…”
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Vestibular Perceptual Thresholds Increase above the Age of 40 by Bermúdez Rey, María Carolina, Clark, Torin K, Wang, Wei, Leeder, Tania, Bian, Yong, Merfeld, Daniel M

“…We measured vestibular perceptual thresholds in 105 healthy humans (54F/51M) ranging from 18 to 80 years of age. Direction-recognition thresholds were measured…”
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Effects of additive sensory noise on cognition by Sherman, Sage O, Greenstein, Maya, Basner, Mathias, Clark, Torin K, Anderson, Allison P

“…Adding noise to a system to improve a weak signal's throughput is known as stochastic resonance (SR). SR has been shown to improve sensory perception. Some…”
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The Effect of Noisy Galvanic Vestibular Stimulation on Learning of Functional Mobility and Manual Control Nulling Sensorimotor Tasks by Putman, Esther J., Galvan-Garza, Raquel C., Clark, Torin K.

“…Galvanic vestibular stimulation (GVS) is a non-invasive method of electrically stimulating the vestibular system. We investigated whether the application of…”
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Modeling orientation perception adaptation to altered gravity environments with memory of past sensorimotor states by Allred, Aaron R, Kravets, Victoria G, Ahmed, Nisar, Clark, Torin K

“…Transitioning between gravitational environments results in a central reinterpretation of sensory information, producing an adapted sensorimotor state suitable…”
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Multivariate Analyses of Balance Test Performance, Vestibular Thresholds, and Age by Karmali, Faisal, Bermúdez Rey, María Carolina, Clark, Torin K, Wang, Wei, Merfeld, Daniel M

“…We previously published vestibular perceptual thresholds and performance in the Modified Romberg Test of Standing Balance in 105 healthy humans ranging from…”
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Development of a ground-based sensorimotor disorientation analog to replicate astronaut postflight experience by Moudy, Sarah C, Peters, Brian T, Clark, Torin K, Schubert, Michael C, Wood, Scott J

“…The perceptual and motor coordination problems experienced following return from spaceflight reflect the sensory adaptation to altered gravity. The purpose of…”
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COMPASS: Computations for Orientation and Motion Perception in Altered Sensorimotor States by Kravets, Victoria G, Dixon, Jordan B, Ahmed, Nisar R, Clark, Torin K

“…Reliable perception of self-motion and orientation requires the central nervous system (CNS) to adapt to changing environments, stimuli, and sensory organ…”
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Training augmentation using additive sensory noise in a lunar rover navigation task by Sherman, Sage O, Jonsen, Anna, Lewis, Quinlan, Schlittenhart, Michael, Szafir, Daniel, Clark, Torin K, Anderson, Allison P

“…The uncertain environments of future space missions means that astronauts will need to acquire new skills rapidly; thus, a non-invasive method to enhance…”
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Galvanic Vestibular Stimulation Produces Cross-Modal Improvements in Visual Thresholds by Voros, Jamie L, Sherman, Sage O, Rise, Rachel, Kryuchkov, Alexander, Stine, Ponder, Anderson, Allison P, Clark, Torin K

“…Stochastic resonance (SR) refers to a faint signal being enhanced with the addition of white noise. Previous studies have found that vestibular perceptual…”
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Human perception of whole body roll-tilt orientation in a hypogravity analog: underestimation and adaptation by Galvan-Garza, Raquel C, Clark, Torin K, Sherwood, David, Diaz-Artiles, Ana, Rosenberg, Marissa, Natapoff, Alan, Karmali, Faisal, Oman, Charles M, Young, Laurence R

“…Overestimation of roll tilt in hypergravity ("G-excess" illusion) has been demonstrated, but corresponding sustained hypogravic conditions are impossible to…”
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Human perceptual overestimation of whole body roll tilt in hypergravity by Clark, Torin K, Newman, Michael C, Oman, Charles M, Merfeld, Daniel M, Young, Laurence R

“…Hypergravity provides a unique environment to study human perception of orientation. We utilized a long-radius centrifuge to study perception of both static…”
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Balance Screening of Vestibular Function in Subjects Aged 4 Years and Older: A Living Laboratory Experience by Bermúdez Rey, María Carolina, Clark, Torin K, Merfeld, Daniel M

“…To better understand the various individual factors that contribute to balance and the relation to fall risk, we performed the modified Romberg Test of…”
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Corrigendum: Multivariate Analyses of Balance Test Performance, Vestibular Thresholds, and Age by Karmali, Faisal, Bermúdez Rey, María Carolina, Clark, Torin K, Wang, Wei, Merfeld, Daniel M

“…[This corrects the article DOI: 10.3389/fneur.2017.00578.]…”
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Objective Evaluation of the Somatogravic Illusion from Flight Data of an Airplane Accident by Groen, Eric L., Clark, Torin K., Houben, Mark M. J., Bos, Jelte E., Mumaw, Randall J.

“…(1) Background: It is difficult for accident investigators to objectively determine whether spatial disorientation may have contributed to a fatal airplane…”
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Human vestibular perceptual thresholds for pitch tilt are slightly worse than for roll tilt across a range of frequencies by Suri, Kadambari, Clark, Torin K.

“…Vestibular perceptual thresholds measure vestibular sensory and perceptual noise by quantifying how small of a passive self-motion an individual is able to…”
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Modeling human perception of orientation in altered gravity by Clark, Torin K, Newman, Michael C, Oman, Charles M, Merfeld, Daniel M, Young, Laurence R

“…Altered gravity environments, such as those experienced by astronauts, impact spatial orientation perception, and can lead to spatial disorientation and…”
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A computational model of motion sickness dynamics during passive self-motion in the dark by Allred, Aaron R., Clark, Torin K.

“…Predicting the time course of motion sickness symptoms enables the evaluation of provocative stimuli and the development of countermeasures for reducing…”
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