2008
DOI: 10.1016/j.ejpain.2007.12.003
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Significant differences in central imaging of histamine‐induced itch between atopic dermatitis and healthy subjects

Abstract: We interpret our findings as possible central correlates of changes in the motor system in subjects with chronic itch, with activation of the basal ganglia possibly correlating to the vicious itch-scratch-circle in subjects with chronic itching skin diseases. However, further neuroimaging studies in healthy subjects and also in different skin diseases are needed to understand the complex mechanisms of the processing of itch.

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Cited by 86 publications
(78 citation statements)
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“…It is likely that the same central mechanisms responsible for itch sensations induced by observing itch in others (an essentially normative response) is responsible for itch induced by self-generated thoughts of itching or infestation (which may become established as dominant overvalued representations in a minority of persons). Individual differences within this network, also related to personality traits, may modulate the extent to which this contagion is triggered by environmental cues versus occurring spontaneously and habitually (46,47). Further research is warranted to explore the link between contagious itching and compulsive itching.…”
Section: Discussionmentioning
confidence: 99%
“…It is likely that the same central mechanisms responsible for itch sensations induced by observing itch in others (an essentially normative response) is responsible for itch induced by self-generated thoughts of itching or infestation (which may become established as dominant overvalued representations in a minority of persons). Individual differences within this network, also related to personality traits, may modulate the extent to which this contagion is triggered by environmental cues versus occurring spontaneously and habitually (46,47). Further research is warranted to explore the link between contagious itching and compulsive itching.…”
Section: Discussionmentioning
confidence: 99%
“…Kortiko-thalamo-kortikalen Kreis ein. Dieser spielt bei der Planung von Bewegungen eine wichtige Rolle (Schneider et al 2008). Ergänzend hierzu passt die vermehrte Aktivierung des Thalamus, der mit dem lentiformen Nucleus in Verbindung steht, sowie des präzentralen Kortex.…”
Section: Geschlechtsspezifi Sche Physiologische Unterschiede In Der Punclassified
“…Ainsi, des stimulus qui déclenchent normalement la douleur peuvent déclencher des démangeaisons lorsqu'ils sont appliqués sur la peau lésée de patients ayant une dermatite atopique [39]. Des études de neuro-imagerie ont effectivement montré une activité altérée dans certaines régions du cerveau chez les patients atteints de dermatite atopique, comparés à des témoins sains [40].…”
Section: La Sensibilisation Au Pruritunclassified