ArticleFrontiers in human neuroscience2024
Development and validation of a two-dimensional pseudorandom balance perturbation test.
Article in Frontiers in human neuroscience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Assessment of balance control mechanisms in patient populations using perturbation-based modeling: a narrative review with clinical implications.Frontiers in human neuroscience · 2026Review
- Anterior-posterior and medial-lateral balance metrics are unchanged when two-dimensional pseudorandom motion perturbations are provided in semicircular canal coordinates.Frontiers in neurologyArticle
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5 authors.
Funding
Abstract
Introduction: Pseudorandom balance perturbations use unpredictable disturbances of the support surface to quantify reactive postural control. The ability to quantify postural responses to a continuous multidirectional perturbation in two orthogonal dimensions of sway (e.g., AP and ML) has yet to be investigated. Methods: We developed a balance perturbation paradigm that used two spectrally independent sum of sinusoids signals (SoS Results: We found that during 2D perturbations, spectral peaks in the sway response were larger at the perturbed frequencies when compared to (1) the adjacent non-perturbed frequencies and (2) the frequencies contained within the orthogonal, spectrally independent perturbation signal. We also found that for each of the two spectra (SoS Discussion: These data support that our novel 2D SoS perturbation test was able to evoke ML and AP postural responses that were (1) specific to the roll and pitch perturbations, respectively, and (2) similar to the responses provoked by individual 1D perturbations.
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