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It is still unclear whether the quality of painful thermal sensation is determined only by conduction in specific, dedicated nociceptive channels (i.e. C or Aδ nociceptors) or whether it is a result of integrated activity in both nociceptive and non‐nociceptive systems. To evaluate this...
Recent work has suggested an association between the orbitofrontal cortex in humans and practical decision making. The aim of this study was to investigate the profile of cognitive deficits, with particular emphasis on decision‐making processes, following damage to different sectors of the...
It has been demonstrated that selective unilateral surgical ablation of posteroventral globus pallidus interna relieves the movement disorders associated with advanced Parkinson’s disease, without necessarily incurring the executive cognitive sequelae that have been observed following gross...
This study examined the effects of l ‐dopa medication in patients with Parkinson’s disease on cortical and subcortical blood flow changes during two tasks known to involve frontostriatal circuitry. Eleven patients with Parkinson’s disease were scanned on two occasions, one ON l ‐dopa...
Any attempt to restore visual functions in blind subjects with pregeniculate lesions provokes the question of the extent to which deafferented visual cortex is still able to generate conscious visual experience. As a simple approach to assessing activation of the visual cortex, subjects can be...
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