35 research outputs found

    Language Works 7(2)

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    The year is drawing to a close and it is quiet at the university while students and staff are away on their Christmas break, hopefully relaxing after a busy semester at the departments of language sciences around the country. Before we can finally part with the year of 2022, however, it is time to welcome the newest issue of our student journal, Language Works! Happy reading and happy New Year from the editorial team.Året gĂ„r pĂ„ hĂŠld, universiteternes studerende og ansatte er pĂ„ juleferie, og der er stille pĂ„ gangene efter et travlt og spĂŠndende semester pĂ„ de sprogvidenskabelige afdelinger i landet. Men fĂžr vi kan sige endeligt farvel til 2022 vil vi dog fĂžrst nĂ„ at sige endnu et ”velkommen”: Velkommen til det seneste nummer af studentertidsskriftet Language Works, som er nummer 13 i rĂŠkken af sprogvidenskabelige artikler forfattet af studerende fra universiteternes sprog – og lingvistikafdelinger. Vi Ăžnsker hermed god lĂŠsning og et rigtigt godt nytĂ„r fra hele redaktionen

    Language Works 7(2)

    Get PDF
    Året gĂ„r pĂ„ hĂŠld, universiteternes studerende og ansatte er pĂ„ juleferie, og der er stille pĂ„ gangene efter et travlt og spĂŠndende semester pĂ„ de sprogvidenskabelige afdelinger i landet. Men fĂžr vi kan sige endeligt farvel til 2022 vil vi dog fĂžrst nĂ„ at sige endnu et ”velkommen”: Velkommen til det seneste nummer af studentertidsskriftet Language Works, som er nummer 13 i rĂŠkken af sprogvidenskabelige artikler forfattet af studerende fra universiteternes sprog – og lingvistikafdelinger. Vi Ăžnsker hermed god lĂŠsning og et rigtigt godt nytĂ„r fra hele redaktionen.Året gĂ„r pĂ„ hĂŠld, universiteternes studerende og ansatte erpĂ„ juleferie, og der er stille pĂ„ gangene efter et travlt og spĂŠndende semester pĂ„ de sprogvidenskabelige afdelinger i landet. Men fĂžr vi kan sige endeligt farvel til 2022 vil vi dog fĂžrst nĂ„ at sigeendnu et”velkommen”: Velkommen til det seneste nummer af studentertidsskriftet Language Works, som er nummer 13 i rĂŠkken af sprogvidenskabelige artikler forfattet af studerende fra universiteternes sprog –og lingvistikafdelinger. Vi Ăžnsker hermed god lĂŠsning og et rigtigt godt nytĂ„r fra hele redaktionen

    Capsaicin-sensitive cutaneous primary afferents convey electrically induced itch in humans

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    Specially designed transcutaneous electrical stimulation paradigms can be used to provoke experimental itch. However, it is unclear which primary afferent fibers are activated and whether they represent pathophysiologically relevant, C-fiber mediated itch. Since low-threshold mechano-receptors have recently been implicated in pruriception we aimed to characterize the peripheral primary afferent subpopulation conveying electrically evoked itch in humans (50 Hz stimulation, 100 Όs square pulses, stimulus-response function to graded stimulus intensity). In 10 healthy male volunteers a placebo-controlled, 24-h 8% topical capsaicin-induced defunctionalization of capsaicin-sensitive (transient receptor potential V1-positive, ‘TRPV1’+) cutaneous fibers was performed. Histaminergic itch (1% solution introduced by a prick test lancet) was provoked as a positive control condition. Capsaicin pretreatment induced profound loss of warmth and heat pain sensitivity (pain threshold and supra-threshold ratings) as assessed by quantitative sensory testing, indicative of efficient TRPV1-fiber defunctionalization (all outcomes: P 0.0001). The topical capsaicin robustly, and with similar efficaciousness, inhibited itch intensity evoked by electrical stimulation and histamine (−89 ± 4.1% and −78 ± 4.9%, respectively, both: P 0.0001 compared to the placebo patch area). The predominant primary afferent substrate for electrically evoked itch in humans, using the presently applied stimulation paradigm, is concluded to be capsaicin-sensitive polymodal C-fibers.FSW - Self-regulation models for health behavior and psychopathology - ou
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