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  • Title: The impact of one session of HF-rTMS on salivary cortisol in healthy female subjects.
    Author: Baeken C, De Raedt R, Leyman L, Schiettecatte J, Poppe K, Kaufman L, Haes M, Vanderhasselt MA, Anckaert E, D'Haenen H.
    Journal: World J Biol Psychiatry; 2009; 10(4 Pt 2):586-90. PubMed ID: 17886168.
    Abstract:
    Previous studies in healthy volunteers reported a possible impact of high frequency repetitive transcranial magnetic stimulation (HF-rTMS) on stress hormones, like cortisol. In this sham-controlled, "single blind", crossover study, we examined whether HF-rTMS had an effect on the hypothalamic-pituitary-adrenal (HPA) axis, by analysing salivary cortisol levels. Two studies were conducted. First, HF-rTMS on the left dorsolateral prefrontal cortex (DLPFC) was performed in 28 young healthy female volunteers. Second, in a comparable, but different group of 26 healthy females, HF-rTMS was performed on the right DLPFC. Salivary cortisol levels were assessed before, immediately after and 30 min after real and sham HF-rTMS. We found no support for the hypothesis that one single session of HF-rTMS on the left or the right DLPFC has an immediate or delayed impact on the HPA-axis, as measured by salivary cortisol. Although we controlled for several methodological problems in HF-rTMS research, the hypothesis that one single session of HF-rTMS on the left or on the right DLPFC can influence the HPA-axis in healthy volunteers was not supported.
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