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It has previously been suggested that the activity in sensory regions of the brain can be modulated by attentional mechanisms during parallel cognitive processing. To investigate whether such attention-related modulations are present in the processing of pain, the regional cerebral blood flow was measured using [ 15 O]butanol and positron emission tomography in conditions involving both...
We investigated with PET the cerebral activation pattern elicited by the perceptual maze test (PMT), a neuropsychological test used to evaluate organic brain injury. The PMT examines visuospatial skill, general intelligence, visually guided motor planning, and the ability to obey rules. Eight right-handed volunteers were examined with PET using the tracer [ 15 O]butanol. Three paradigms containing...
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