The effect of training on the perceived approach angle in visual vertical heading judgements in a virtual environment

Gibson, Molly E.; Kim, John J.-J.; McManus, Meaghan; Harris, Laurence R.

doi:10.1007/s00221-020-05841-8

Cited by 5 publications

(1 citation statement)

References 21 publications

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“…With regards to visual-only training, Kuang et al (2020) showed that younger adults can improve their visual estimates of left/right heading direction from optic flow fields through feedback-based training, and Gibson et al (2020) also showed that training could improve vertical heading accuracy (e.g., down-and-forward vs. down-and-backward). But no studies have yet evaluated whether vestibular and/or visual self-motion training can improve heading perception in older adults.…”

Section: Introductionmentioning

confidence: 99%

Multisensory visual-vestibular training improves visual heading estimation in younger and older adults

Gabriel

Harris

Henriques

et al. 2022

Front. Aging Neurosci.

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Self-motion perception (e.g., when walking/driving) relies on the integration of multiple sensory cues including visual, vestibular, and proprioceptive signals. Changes in the efficacy of multisensory integration have been observed in older adults (OA), which can sometimes lead to errors in perceptual judgments and have been associated with functional declines such as increased falls risk. The objectives of this study were to determine whether passive, visual-vestibular self-motion heading perception could be improved by providing feedback during multisensory training, and whether training-related effects might be more apparent in OAs vs. younger adults (YA). We also investigated the extent to which training might transfer to improved standing-balance. OAs and YAs were passively translated and asked to judge their direction of heading relative to straight-ahead (left/right). Each participant completed three conditions: (1) vestibular-only (passive physical motion in the dark), (2) visual-only (cloud-of-dots display), and (3) bimodal (congruent vestibular and visual stimulation). Measures of heading precision and bias were obtained for each condition. Over the course of 3 days, participants were asked to make bimodal heading judgments and were provided with feedback (“correct”/“incorrect”) on 900 training trials. Post-training, participants’ biases, and precision in all three sensory conditions (vestibular, visual, bimodal), and their standing-balance performance, were assessed. Results demonstrated improved overall precision (i.e., reduced JNDs) in heading perception after training. Pre- vs. post-training difference scores showed that improvements in JNDs were only found in the visual-only condition. Particularly notable is that 27% of OAs initially could not discriminate their heading at all in the visual-only condition pre-training, but subsequently obtained thresholds in the visual-only condition post-training that were similar to those of the other participants. While OAs seemed to show optimal integration pre- and post-training (i.e., did not show significant differences between predicted and observed JNDs), YAs only showed optimal integration post-training. There were no significant effects of training for bimodal or vestibular-only heading estimates, nor standing-balance performance. These results indicate that it may be possible to improve unimodal (visual) heading perception using a multisensory (visual-vestibular) training paradigm. The results may also help to inform interventions targeting tasks for which effective self-motion perception is important.

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Section: Introductionmentioning

confidence: 99%

Multisensory visual-vestibular training improves visual heading estimation in younger and older adults

Gabriel

Harris

Henriques

et al. 2022

Front. Aging Neurosci.

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Analysis of Flight Attention State Based on Visual Gaze Behavior

Jiang

Chen

Wang

et al. 2022

Application of Intelligent Systems in Multi-Modal Information Analytics

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Evaluating the effectiveness of virtual reality for safety-relevant training: a systematic review

Stefan,

Mortimer,

Horan

2023

Virtual Reality

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The commercial release of affordable, low-cost, and consumer-ready virtual reality (VR) devices has increased the accessibility for researchers to investigate the benefits of VR technology including those aimed at education and training. VR technology provides several opportunities that may provide benefits over traditional training methods, this is particularly relevant for safety training due to its ability to safely simulate dangerous scenarios that would otherwise be difficult to access. When implementing a new technology, it is important to evaluate and validate its effectiveness. This paper presents a systematic review of VR safety-relevant training studies that perform an evaluation of their effectiveness. This comprehensive review includes 136 studies published between 2016 and August 2021. Results presented in this paper include application domains, study objectives, study designs, and evaluation measures. Results show that the majority of studies were applicable to health services with the majority focusing on effectiveness evaluation using true- or quasi-experimental design. This study then categorizes each reported evaluation measure into one of the four levels in Kirkpatrick’s model for training evaluation, results showed that the majority of studies evaluated learning (72.06%) and reaction (66.18%) levels with very few studies evaluating behavior and results levels. This study concludes by providing insights and recommendations to help future researchers make informed decisions when designing an effectiveness evaluation study for VR safety-relevant training applications.

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The effect of training on the perceived approach angle in visual vertical heading judgements in a virtual environment

Cited by 5 publications

References 21 publications

Multisensory visual-vestibular training improves visual heading estimation in younger and older adults

Multisensory visual-vestibular training improves visual heading estimation in younger and older adults

Analysis of Flight Attention State Based on Visual Gaze Behavior

Evaluating the effectiveness of virtual reality for safety-relevant training: a systematic review

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