![]() ![]() Participants were divided into two groups based on their interest in the WMH psychophysiological training: an intervention group and a control group. Participants in this prospective observational study comprised all members of the expedition. ![]() Measures were taken at the start and at the end of an 8-week Antarctic expedition in a WMH training group and a control group. This research focused on psychometric measures related to long-term stress (Beck Depression Inventory and the Trauma Symptom Checklist-40 ) and neuroendocrine measures (cortisol, melatonin). 7, 8 All participants were healthy individuals who were researchers at the Antarctic station. Mendel Antarctic Station from January to March 2019. The aim of this study was to investigate the effects of a WHM training program on psychological and neuroendocrine stress responses caused by extreme conditions during an expedition based at the J.G. In addition, this study reported that the WHM activated the left anterior and right middle insula, which are associated with self-reflection, and that respiration practice may affect sympathetic activation. 1, 2, 5, 6 A recent neuroimaging study using functional magnetic resonance imaging analyses showed that the WHM training program activates primary control centers for descending pain/cold stimuli modulation in the periaqueductal gray, possibly initiating a stress-induced analgesic response. There are only a few studies on this novel training program and its psychophysiological effects, but findings suggest that the WMH has positive effects on immune and endocrine functions. The WHM consists of three main components: 1) breathing exercises, 2) various types of cold exposure, 1, 2 and meditation related to mindful body awareness, including enhancement of willpower and self-awareness. The WHM is based on cold exposure and special meditation techniques and was developed by a Dutch athlete named Wim Hof who exposed himself to extreme cold temperatures. Recent research provides preliminary evidence for the effectiveness of a novel psychophysiological training program called the Wim Hof Method (WHM). ![]()
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