Dorothee Spohn

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Thermal and nociceptive cutaneous stimuli activate the brain via two types of nerve fibers, slightly myelinated Aδ-fibers with moderate conduction velocity and unmyelinated C-fibers with slow conduction velocity. Differences in central processing upon selective stimulation of these two fiber types in healthy human subjects still remain poorly understood. By(More)
Thermal and nociceptive cutaneous stimuli activate the brain via two types of nerve fibers, slightly myelinated Adelta-fibers with moderate conduction velocity and unmyelinated C-fibers with slow conduction velocity. Differences in central processing upon selective stimulation of these two fiber types in healthy human subjects still remain poorly(More)
Patients suffering from postherpetic neuralgia often complain about hypo- or hypersensation in the affected dermatome. The loss of thermal sensitivity has been demonstrated by quantitative sensory testing as being associated with small-fiber (Aδ- and C-fiber) deafferentation. We aimed to compare laser stimulation (radiant heat) to thermode stimulation(More)
Naturopathic reflex therapies such as massage, Gua Sha massage, cupping, wet packs etc. are likely able to influence chronic pain at different levels of the nociceptive system. Since naturopathic reflex therapies have been shown to reduce symptoms of chronic pain and often utilize intense manipulation of the environment of the nociceptor (e.g. Gua Sha(More)
Evidence from recent RCT's has shown that naturopathic reflex therapies such as massage, Gua Sha massage, cupping, wet packs, or rhythmic embrocation etc. are helpful in reducing symptoms of chronic pain. These bodily oriented therapies are likely able to influence chronic pain not only through brain mechanisms such as expectation or the feeling of(More)
The present study investigates whether the spatial discrimination of somatosensory stimuli can be improved with training when sets of 1, 2, 3, or 4 simultaneously stimulated electrodes (so called patterns) have to be discriminated. Healthy human subjects were trained over a period of 5 days to discriminate 23 different somatosensory stimulus patterns.(More)
Although spatial discrimination of electrocutaneous stimuli can be improved by training, we do not know whether the improvement of spatial discrimination varies as a function of the type of stimulus presentation. In the present study, two groups of healthy human volunteers were trained over a period of 5 days to discriminate 23 patterns of one, two, three,(More)
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