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Design dimensions of electrocutaneous warning stimulation patterns in workplace safety devices.
PLoS One
December 2024
Institute of Biomedical Engineering and Informatics, Technische Universität Ilmenau, Ilmenau, Germany.
Warning of workers in dangerous situations is crucial. With the aim of deriving practical parameters for an electrocutaneous warning stimulation, we explore the design dimensions of pulse intervals, amplitudes, and locations of electrocutaneous stimulation in a study on healthy volunteers. Using biphasic rectangular current pulses on the upper right arm of 81 healthy participants, they evaluated temporal perception with varying intervals, ranging from 200 ms down to 0.
View Article and Find Full Text PDFRepeated exposure to aversive sensations differentially affects neural gating and bodily perception.
Behav Res Ther
October 2023
Research Group Health Psychology, Department of Psychology, KU Leuven, Tiensestraat 102, 3000, Leuven, Belgium. Electronic address:
Habituation to bodily sensations is highly relevant for the experience of chronic bodily symptoms, but the neural mechanisms behind diminished habituation are currently unclear. One potentially relevant mechanism is neural gating (NG), reflected as the short-term suppression of cortical responses to redundant stimuli. We investigated the effects of repeated exposure to aversive sensations on NG and subjective perception in 91 healthy adults, by measuring their NG of respiratory and electrocutaneous stimuli using electroencephalography during two sessions separated by one week, in addition to their self-report of intensity and unpleasantness of the sensations.
View Article and Find Full Text PDFUnconscious multisensory integration: behavioral and neural evidence from subliminal stimuli.
Front Psychol
July 2024
Laboratory for Neuroengineering, Department of Health Sciences and Technology, Institute of Robotics and Intelligent Systems, ETH Zürich, Zürich, Switzerland.
Introduction: The prevailing theories of consciousness consider the integration of different sensory stimuli as a key component for this phenomenon to rise on the brain level. Despite many theories and models have been proposed for multisensory integration between supraliminal stimuli (e.g.
View Article and Find Full Text PDFAttentional Processes in Pain: The Importance of Context and Attentional Alignment.
J Pain
October 2024
School of Psychology A18, Faculty of Science, The University of Sydney, Sydney, New South Wales, Australia.
The attentional bias literature has consistently failed to take context into account. We developed a novel paradigm in immersive virtual reality (VR) with pain stimuli where it would be adaptive or nonadaptive to attend to the stimuli. Participants had to indicate the location of the stimuli.
View Article and Find Full Text PDFThe downside to choice: instrumental control increases conditioned nocebo hyperalgesia.
Pain
October 2024
School of Psychology, The University of Sydney, Sydney, Australia.
Nocebo hyperalgesia is a pervasive problem in which the treatment context triggers negative expectations that exacerbate pain. Thus, developing ethical strategies to mitigate nocebo hyperalgesia is crucial. Emerging research suggests that choice has the capacity to reduce nocebo side effects, but choice effects on nocebo hyperalgesia have not been explored.
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