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Search: WFRF:(Schmuker Michael)

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1.
  • Parma, Valentina, et al. (author)
  • More Than Smell—COVID-19 Is Associated With Severe Impairment of Smell, Taste, and Chemesthesis
  • 2020
  • In: Chemical Senses. - : Oxford University Press (OUP). - 0379-864X .- 1464-3553. ; 45:7, s. 609-622
  • Journal article (peer-reviewed)abstract
    • Recent anecdotal and scientific reports have provided evidence of a link between COVID-19 and chemosensory impairments, such as anosmia. However, these reports have downplayed or failed to distinguish potential effects on taste, ignored chemesthesis, and generally lacked quantitative measurements. Here, we report the development, implementation, and initial results of a multilingual, international questionnaire to assess self-reported quantity and quality of perception in 3 distinct chemosensory modalities (smell, taste, and chemesthesis) before and during COVID-19. In the first 11 days after questionnaire launch, 4039 participants (2913 women, 1118 men, and 8 others, aged 19–79) reported a COVID-19 diagnosis either via laboratory tests or clinical assessment. Importantly, smell, taste, and chemesthetic function were each significantly reduced compared to their status before the disease. Difference scores (maximum possible change ±100) revealed a mean reduction of smell (−79.7 ± 28.7, mean ± standard deviation), taste (−69.0 ± 32.6), and chemesthetic (−37.3 ± 36.2) function during COVID-19. Qualitative changes in olfactory ability (parosmia and phantosmia) were relatively rare and correlated with smell loss. Importantly, perceived nasal obstruction did not account for smell loss. Furthermore, chemosensory impairments were similar between participants in the laboratory test and clinical assessment groups. These results show that COVID-19-associated chemosensory impairment is not limited to smell but also affects taste and chemesthesis. The multimodal impact of COVID-19 and the lack of perceived nasal obstruction suggest that severe acute respiratory syndrome coronavirus strain 2 (SARS-CoV-2) infection may disrupt sensory-neural mechanisms.
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2.
  • Vuka, Mikel, et al. (author)
  • Exploration and Localization of a Gas Source with MOX Gas Sensorson a Mobile Robot : A Gaussian Regression Bout Amplitude Approach
  • 2017
  • In: 2017 ISOCS/IEEE International Symposium on Olfaction and Electronic Nose (ISOEN 2017). - : IEEE. ; , s. 164-166
  • Conference paper (peer-reviewed)abstract
    • Mobile robot olfaction systems combine gas sensorswith mobility provided by robots. They relief humansof dull, dirty and dangerous tasks in applications such assearch & rescue or environmental monitoring. We address gassource localization and especially the problem of minimizingexploration time of the robot, which is a key issue due toenergy constraints. We propose an active search approach forrobots equipped with MOX gas sensors and an anemometer,given an occupancy map. Events of rapid change in the MOXsensor signal (“bouts”) are used to estimate the distance to agas source. The wind direction guides a Gaussian regression,which interpolates distance estimates. The contributions of thispaper are two-fold. First, we extend previous work on gassource distance estimation with MOX sensors and propose amodification to cope better with turbulent conditions. Second,we introduce a novel active search gas source localizationalgorithm and validate it in a real-world environment.
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Type of publication
conference paper (1)
journal article (1)
Type of content
peer-reviewed (2)
Author/Editor
Lilienthal, Achim J. ... (1)
Dibattista, Michele (1)
Menini, Anna (1)
Genovese, Federica (1)
Pereda-Loth, Veronic ... (1)
Pierron, Denis (1)
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Amigoni, Francesco (1)
Olofsson, Jonas K. (1)
Liuzza, Marco Tullio (1)
Schaffernicht, Erik, ... (1)
Hernandez Bennetts, ... (1)
Lundström, Johan N. (1)
Hummel, Thomas (1)
Gerkin, Richard C. (1)
Olsson, Shannon B. (1)
Freiherr, Jessica (1)
Sandell, Mari (1)
Chen, Ben (1)
Santamaría, Enrique (1)
Ohla, Kathrin (1)
Veldhuizen, Maria G. (1)
Kelly, Christine E. (1)
Bakke, Alyssa J. (1)
Farruggia, Michael C ... (1)
Pellegrino, Robert (1)
Pepino, Marta Y. (1)
Bouysset, Cedric (1)
Soler, Graciela M. (1)
Cooper, Keiland W. (1)
Di Pizio, Antonella (1)
Ozdener, Mehmet Haka ... (1)
Fjaeldstad, Alexande ... (1)
Lin, Cailu (1)
Saraiva, Luis R. (1)
Alwashahi, Mohammed ... (1)
Bhutani, Surabhi (1)
D'Errico, Anna (1)
Golebiowski, Jerome (1)
Hwang, Liang Dar (1)
Roura, Eugeni (1)
Whitcroft, Katherine ... (1)
Faraji, Farhoud (1)
Fischmeister, Floria ... (1)
Heinbockel, Thomas (1)
Hsieh, Julien W. (1)
Huart, Caroline (1)
Konstantinidis, Iord ... (1)
Morini, Gabriella (1)
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University
Stockholm University (1)
Örebro University (1)
Karolinska Institutet (1)
Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (1)
Medical and Health Sciences (1)

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