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Data-driven modelling of subjective pain/pleasure assessments as responses to vaginal dilation stimuli
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0002-4310-7938
Department of Engineering Sciences, Uppsala University.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Department of Psychology and Neuroscience, Clinical Psychological Science, Behavioural Medicine, Maastricht Universitair Medisch Centrum, Maastricht.
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2018 (English)In: IEEE Control Systems Letters, E-ISSN 2475-1456, Vol. 2, no 3, p. 423-428Article in journal (Refereed) Published
Abstract [en]

Women affected by pain during penetrative sexual intercourse are often treated using fixed-size vaginal dilators that are regularly perceived as uncomfortable and leading to premature treatment drop-outs. These dilators could be improved by making them adaptive, i.e., able to exert dynamically different pressures on the vaginal duct to simultaneously guarantee comfort levels and achieve the medical dilation objectives. Implementing feedback control would then benefit from models that connect the patients’ comfort levels with their experienced physiological stimuli. Here we address the problem of data-driven quantitative modelling of pain/pleasure self-assessments obtained through medical trials. More precisely, we consider time-series records of Pelvic Floor Muscles (PFM) pressure, vaginal dilation, and pain/pleasure evaluations, and model the relations among these quantities using statistical analysis tools. Besides this, we also address the important issue of the individualization of these models: different persons may respond differently, but these variations may sometimes be so small that it may be beneficial to learn from several individuals simultaneously. We here numerically validate the previous claim by verifying that clustering patients in groups may lead, from a data-driven point of view, to models with a significantly improved statistical performance.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. Vol. 2, no 3, p. 423-428
National Category
Control Engineering
Research subject
Control Engineering
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URN: urn:nbn:se:ltu:diva-69289DOI: 10.1109/LCSYS.2018.2841186OAI: oai:DiVA.org:ltu-69289DiVA, id: diva2:1216040
Available from: 2018-06-11 Created: 2018-06-11 Last updated: 2018-06-13Bibliographically approved

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Varagnolo, Damiano

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  • apa
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