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    Article

    Occupational sensitization to storage mites in the personnel of a water-damaged grocery store

    Objectives: To investigate the occupational exposure and sensitization to storage mites (SM) in sales staff working in a moisture-damaged and three healthy reference buildings. Methods: T...

    Tiina Koistinen, Pirkko Ruoppi, Tuula Putus in International Archives of Occupational and… (2006)

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    Acute tryptophan depletion does not change somatosensory evoked magnetic fields

    Serotonin is shown to regulate the activity of primary auditory cortex, but little is known about serotonin modulation of other sensory cortices.

    Seppo Kähkönen, Jyrki Ahveninen, Iiro P. Jääskeläinen, Sirpa Pennanen in Psychopharmacology (2003)

  3. Article

    Serotonin Modulates Early Cortical Auditory Processing in Healthy Subjects. Evidence from MEG with Acute Tryptophan Depletion

    We studied the effects of acute tryptophan depletion (ATD) on early cortical auditory processing. Middle-latency auditory evoked fields (MAEF) were investigated in 14 healthy subjects after 5 h of ATD or contr...

    Seppo Kähkönen, Jyrki Ahveninen, Sirpa Pennanen in Neuropsychopharmacology (2002)

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    Article

    Acute trytophan depletion decreases intensity dependence of auditory evoked magnetic N1/P2 dipole source activity

    Abstract

    Seppo Kähkönen, Iiro P. Jääskeläinen, Sirpa Pennanen in Psychopharmacology (2002)

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    Article

    Free L-tryptophan plasma levels in antisocial violent offenders

    Rationale: Several studies have shown that impulsive violent behavior is associated with reduced serotonin metabolism in the brain, but no data exist on possible alterations of the serotonin precursor (free L-tr...

    Jari Tiihonen, Matti Virkkunen, Pirkko Räsänen, Sirpa Pennanen in Psychopharmacology (2001)

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    Article

    Urinary arginine and ornithine in occupational exposure to 2-ethylhexanoic acid

    Nine sawmill workers were divided into two groups according to their exposure to 2-ethylhexanoic acid, (EHA), a pesticide which has replaced the older pentochlorophenol. The men with lower exposure excreted 30...

    Sirpa Pennanen, Alii Manninen, H. Savolainen in Archives of Toxicology (1990)