ArticleeNeuro
Measures of Spatial Orientation: Spatial Bias Analogs in Visual and Haptic Tasks.
Article in eNeuro. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Bayesian estimation of sensory priors in human spatial orientation.Journal of neurophysiology · 2025Article
- Riding the hilltop: practical implementation and assessment of an implicit hilltop illusion.Frontiers in neurology · 2025Article
- Human perception of self-motion and orientation during galvanic vestibular stimulation and physical motion.PLoS computational biology · 2024Article
- Vestibular perceptual testing from lab to clinic: a review.Frontiers in neurology · 2023Review
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Authors and funding
4 authors.
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Abstract
The primary sensory modality for probing spatial orientation can vary among psychophysical tasks. In the subjective visual vertical (SVV) task, a visual stimulus is used to measure perceived vertical orientation, while a haptic stimulus is used in the subjective haptic vertical (SHV) task. Here we examined disparity in SHV and SVV task results and asked whether it could be related to biases in probing different spatial estimates by each task. Forty-two healthy volunteers (mean ± SD age, 25 ± 10 years; 19 females; 21 left handed) were recruited. The effect of a task to measure spatial orientation was calculated as the difference between SHV and SVV values, and with the head upright and tilted 20° laterally. There was a task bias regardless of head position related to hand use in the haptic task but not handedness (mean head upright ± SEM: left hand, -3.7 ± 1.1°; right hand, 7.9 ± 1.0°). When this task bias was subtracted out, there was a similar spatial bias using each hand in the SHV task that was also comparable to the SVV task (mean head with left tilt: left hand, 3.9 ± 0.7°; right hand, 4.4 ± 0.7°; SVV, 4.9 ± 0.7°; mean head with right tilt: left hand, -4.6 ± 0.9°; right hand, -4.6 ± 0.8°; SVV, -4.7 ± 1.0°). These findings show that the disparity in visual and haptic measures of spatial orientation is primarily related to a modality-specific bias, and once the effect of hand use is removed from the haptic measurements, the spatial bias becomes comparable to the visual task.
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