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We used positron emission tomography (PET) to monitor the regional cerebral blood flow (rCBF) as an index of brain activity in regions proposed to participate in affective-motivational and cognitive-evaluative dimensions of pain during anticipation of a noxious stimulation. Specifically we were interested in the anterior cingulate cortex (ACC), the ventromedial prefrontal cortex (VMPFC) and the periaqueductal...
The study was conducted to investigate which areas of the brain respond to a painful encounter of minor dermal injury (a model of clinical pain) elicited by intracutaneous injection of a minute amount of ethanol. Four healthy volunteers (27-46 years) were subjected to positron emission tomographic (PET) investigation of regional cerebral blood flow (rCBF), using [ 15 O]butanol as tracer...
This study was undertaken to explore whether the neural substrates demonstrated in brain imaging studies on experimentally induced pain are involved in the perception of chronic neuropathic pain. We investigated the cerebral representation of chronic lateralised ongoing pain in patients with painful mononeuropathy (PMN, i.e., pain in the distribution of a nerve, neuralgia) with positron emission tomography...
This study was undertaken to explore whether the neural substrates demonstrated in brain imaging studies on experimentally induced pain are involved in the perception of chronic neuropathic pain. We investigated the cerebral representation of chronic lateralised ongoing pain in patients with painful mononeuropathy (PMN, i.e., pain in the distribution of a nerve, neuralgia) with positron emission tomography...
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