Schmidt-Samoa, Carsten

[["dc.bibliographiccitation.firstpage","930"],["dc.bibliographiccitation.issue","8"],["dc.bibliographiccitation.journal","Journal of Pain"],["dc.bibliographiccitation.lastpage","943"],["dc.bibliographiccitation.volume","17"],["dc.contributor.author","Barke, Antonia"],["dc.contributor.author","Preis, Mira A."],["dc.contributor.author","Schmidt-Samoa, Carsten"],["dc.contributor.author","Baudewig, Juergen"],["dc.contributor.author","Kroener-Herwig, Birgit"],["dc.contributor.author","Dechent, Peter"],["dc.date.accessioned","2018-11-07T10:11:05Z"],["dc.date.available","2018-11-07T10:11:05Z"],["dc.date.issued","2016"],["dc.description.abstract","The fear-avoidance model postulates that in an initial acute phase chronic low back pain (CLBP) patients acquire a fear of movement that results in avoidance of physical activity and contributes to the pain becoming chronic. The current functional magnetic resonance imaging study investigated the neural correlates of imagining back-straining and neutral movements in CLBP patients with high (HFA) and low fear avoidance (LFA) and healthy pain-free participants. Ninety-three persons (62 CLBP patients, 31 healthy controls; age 49.7 +/- 9.2 years) participated. The CLBP patients were divided into an HFA and an LFA group using the Tampa Scale of Kinesiophobia. The participants viewed pictures of back-straining and neutral movements and were instructed to imagine that they themselves were executing the activity shown. When imagining back-straining movements, HFA patients as well as healthy controls showed stronger anterior hippocampus activity than LFA patients. The neural activations of HFA patients did not differ from those of healthy controls. This may indicate that imagining back-straining movements triggered pain-related evaluations in healthy controls and HFA participants, but not in LFA participants. Although heightened pain expectancy in HFA compared with LFA patients fits well with the fear-avoidance model, the difference between healthy controls and LFA patients was unexpected and contrary to the fear-avoidance model. Possibly, negative evaluations of the back-straining movements are common but the LFA patients use some kind of strategy enabling them to react differently to the back-straining events. Perspective: It appears that low fear-avoidant back pain patients use some kind of strategy or underlying mechanism that enables them to react with less fear in the face of potentially painful movements. This warrants further investigation because countering fear and avoidance provide an important advantage with respect to disability. (C) 2016 by the American Pain Society"],["dc.identifier.doi","10.1016/j.jpain.2016.05.005"],["dc.identifier.isi","000381241800007"],["dc.identifier.pmid","27260637"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/39978"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Churchill Livingstone"],["dc.relation.issn","1526-5900"],["dc.title","Neural Correlates Differ in High and Low Fear-Avoidant Chronic Low Back Pain Patients When Imagining Back-Straining Movements"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","116"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Psychiatry Research Neuroimaging"],["dc.bibliographiccitation.lastpage","124"],["dc.bibliographiccitation.volume","212"],["dc.contributor.author","Weniger, Godehard"],["dc.contributor.author","Siemerkus, Jakob"],["dc.contributor.author","Barke, Antonia"],["dc.contributor.author","Lange, Claudia"],["dc.contributor.author","Ruhleder, Mirjana"],["dc.contributor.author","Sachsse, Ulrich"],["dc.contributor.author","Schmidt-Samoa, Carsten"],["dc.contributor.author","Dechent, Peter"],["dc.contributor.author","Irle, Eva"],["dc.date.accessioned","2018-11-07T09:24:33Z"],["dc.date.available","2018-11-07T09:24:33Z"],["dc.date.issued","2013"],["dc.description.abstract","Present neuroimaging findings suggest two subtypes of trauma response, one characterized predominantly by hyperarousal and intrusions, and the other primarily by dissociative symptoms. The neural underpinnings of these two subtypes need to be better defined. Fourteen women with childhood abuse and the current diagnosis of dissociative amnesia or dissociative identity disorder but without posttraumatic stress disorder (PTSD) and 14 matched healthy comparison subjects underwent functional magnetic resonance imaging (fMRI) while finding their way in a virtual maze. The virtual maze presented a first-person view (egocentric), lacked any topographical landmarks and could be learned only by using egocentric navigation strategies. Participants with dissociative disorders (DD) were not impaired in learning the virtual maze when compared with controls, and showed a similar, although weaker, pattern of activity changes during egocentric learning when compared with controls. Stronger dissociative disorder severity of participants with DD was related to better virtual maze performance, and to stronger activity increase within the cingulate gyrus and the precuneus. Our results add to the present knowledge of preserved attentional and visuospatial mnemonic functioning in individuals with DD. (c) 2012 Elsevier Ireland Ltd. All rights reserved."],["dc.identifier.doi","10.1016/j.pscychresns.2012.11.004"],["dc.identifier.isi","000319366300004"],["dc.identifier.pmid","23522878"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/29852"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Elsevier Ireland Ltd"],["dc.relation.issn","0925-4927"],["dc.title","Egocentric virtual maze learning in adult survivors of childhood abuse with dissociative disorders: Evidence from functional magnetic resonance imaging"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","540"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Pain"],["dc.bibliographiccitation.lastpage","552"],["dc.bibliographiccitation.volume","153"],["dc.contributor.author","Barke, Antonia"],["dc.contributor.author","Baudewig, Juergen"],["dc.contributor.author","Schmidt-Samoa, Carsten"],["dc.contributor.author","Dechent, Peter"],["dc.contributor.author","Kroener-Herwig, Birgit"],["dc.date.accessioned","2018-11-07T09:13:10Z"],["dc.date.available","2018-11-07T09:13:10Z"],["dc.date.issued","2012"],["dc.description.abstract","The fear-avoidance model postulates that in chronic low back pain (CLBP) a fear of movement is acquired in the acute phase, which leads to subsequent avoidance of physical activity and contributes to the pain syndrome's becoming chronic. In the present event-related functional magnetic resonance imaging (fMRI) study of the neural correlates of the fear of movement, 60 women (30 CLBP patients, 15 healthy controls, and 15 women with spider phobia; mean age 46.8 +/- 9.8 years) participated. The CLBP patients were divided into a high and low fear-avoidant group on the basis of the Tampa Scale of Kinesiophobia. The participants viewed photographs depicting neutral and aversive (back-stressing) movements, generally fear-inducing and neutral pictures from the International Affective Picture System, and pictures of spiders while fMRI data were acquired. It was hypothesized that the high fear-avoidant CLBP patients would show fear-related activations when viewing the aversive movements and that they would differ from CLBP patients with low fear-avoidance and controls in this regard. No such activations were found for high or low fear-avoidant CLBP patients. The random-effects analysis showed no differences between high and low fear-avoidant CLBP patients or high fear-avoidant CLBP patients and controls. Normal fear-related activations were present in the high fear-avoidant CLBP patients for the generally fear-inducing pictures, demonstrating the validity of the stimulation paradigm and a generally unimpaired fear processing of the high fear-avoidant CLBP patients. Our findings do not support the fear component of the fear avoidance model. (C) 2011 International Association for the Study of Pain. Published by Elsevier B.V. All rights reserved."],["dc.identifier.doi","10.1016/j.pain.2011.11.012"],["dc.identifier.isi","000300616600010"],["dc.identifier.pmid","22230805"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/27111"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Elsevier Science Bv"],["dc.relation.issn","0304-3959"],["dc.title","Neural correlates of fear of movement in high and low fear-avoidant chronic low back pain patients: An event-related fMRI study"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]