Search Results - "Buchel, C"

Mechanisms of placebo analgesia: rACC recruitment of a subcortical antinociceptive network by Bingel, U., Lorenz, J., Schoell, E., Weiller, C., Büchel, C.

“…Placebo analgesia is one of the most striking examples of the cognitive modulation of pain perception and the underlying mechanisms are finally beginning to be…”
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White Matter Asymmetry in the Human Brain: A Diffusion Tensor MRI Study by Büchel, C., Raedler, T., Sommer, M., Sach, M., Weiller, C., Koch, M.A.

“…Language ability and handedness are likely to be associated with asymmetry of the cerebral cortex (grey matter) and connectivity (white matter). Grey matter…”
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Amygdala Activation Predicts Gaze toward Fearful Eyes by Gamer, Matthias, Buchel, Christian

“…The human amygdala can be robustly activated by presenting fearful faces, and it has been speculated that this activation has functional relevance for…”
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Deciding when to decide: time-variant sequential sampling models explain the emergence of value-based decisions in the human brain by Gluth, Sebastian, Rieskamp, Jörg, Büchel, Christian

“…The cognitive and neuronal mechanisms of perceptual decision making have been successfully linked to sequential sampling models. These models describe the…”
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Painful stimuli evoke different stimulus-response functions in the amygdala, prefrontal, insula and somatosensory cortex: a single-trial fMRI study by BORNHÖVD, K, QUANTE, M, GLAUCHE, V, BROMM, B, WEILLER, C, BÜCHEL, C

“…Only recently have neuroimaging studies moved away from describing regions activated by noxious stimuli and started to disentangle subprocesses within the…”
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Variations in the first steps of photosynthesis for the diatom Cyclotella meneghiniana grown under different light conditions by Chukhutsina, V.U., Büchel, C., van Amerongen, H.

“…In this work we have applied picosecond and steady-state fluorescence measurements to study excitation energy transfer and trapping in intact Cyclotella…”
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Attentional Modulation of Effective Connectivity from V2 to V5/MT in Humans by Friston, K. J., Buchel, C.

“…The nonlinear nature of integration among cortical brain areas renders the effective connectivity between them inherently dynamic and context-sensitive. One…”
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Somatotopic Representation of Nociceptive Information in the Putamen: An Event-related fMRI Study by Bingel, U., Gläscher, J., Weiller, C., Büchel, C.

“…The ability to locate pain plays a pivotal role in immediate defence and withdrawal behaviour. However, it is unclear to what extent nociceptive information is…”
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Biosynthesis of fucoxanthin and diadinoxanthin and function of initial pathway genes in Phaeodactylum tricornutum by DAMBEK, Michael, EILERS, Ulrike, BREITENBACH, Jürgen, STEIGER, Sabine, BÜCHEL, Claudia, SANDMANN, Gerhard

“…The biosynthesis pathway to diadinoxanthin and fucoxanthin was elucidated in Phaeodactylum tricornutum by a combined approach involving metabolite analysis…”
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Temporal and Spatial Dynamics of Brain Structure Changes during Extensive Learning by Draganski, Bogdan, Gaser, Christian, Kempermann, Gerd, Kuhn, H. Georg, Winkler, Jurgen, Buchel, Christian, May, Arne

“…The current view regarding human long-term memory as an active process of encoding and retrieval includes a highly specific learning-induced functional…”
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The genetic basis of individual differences in reward processing and the link to addictive behavior and social cognition by Yacubian, J, Büchel, C

“…Abstract Dopaminergic neurotransmission is widely recognized to be critical to the neurobiology of reward, motivation and addiction. Interestingly, social…”
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A neuropeptide S receptor variant associated with overinterpretation of fear reactions: a potential neurogenetic basis for catastrophizing by Raczka, K A, Gartmann, N, Mechias, M-L, Reif, A, Büchel, C, Deckert, J, Kalisch, R

“…Neuropeptide S (NPS) is a recently discovered G protein-coupled receptor ligand that modulates fear-like behaviors in rodents. A frequent A>T single-nucleotide…”
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Human brain activity during spontaneously reversing perception of ambiguous figures by Kleinschmidt, A., Büchel, C., Zeki, S., Frackowiak, R. S. J.

“…Looking at ambiguous figures results in rivalry with spontaneous alternation between two percepts. Using event–related functional magnetic resonance imaging,…”
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Somatotopic organization of human somatosensory cortices for pain: a single trial fMRI study by Bingel, U., Lorenz, J., Glauche, V., Knab, R., Gläscher, J., Weiller, C., Büchel, C.

“…The ability to locate pain plays a pivotal role in immediate defense and withdrawal behavior. However, how the brain localizes nociceptive information without…”
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Multisubject fMRI Studies and Conjunction Analyses by Friston, K.J., Holmes, A.P., Price, C.J., Büchel, C., Worsley, K.J.

“…In this paper we present an approach to making inferences about generic activations in groups of subjects using fMRI. In particular we suggest that activations…”
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The Emergence of Explicit Memory during Learning by Rose, Michael, Haider, Hilde, Büchel, Christian

“…In incidental learning situations, contingencies are extracted from the environment without the intention to learn and can change behavior without awareness…”
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PET and MRA findings in cluster headache and MRA in experimental pain by MAY, A, BAHRA, A, BÜCHEL, C, FRACKOWIAK, R. S. J, GOADSBY, P. J

“…Cluster headache (CH), like migraine, is still regarded as a vascular headache although in both conditions a CNS cause has been suggested. To examine…”
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The Predictive Value of Changes in Effective Connectivity for Human Learning by Büchel, C., Coull, J. T., Friston, K. J.

“…During learning, neural responses decrease over repeated exposure to identical stimuli. This repetition suppression is thought to reflect a progressive…”
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Contralateral Coding of Imagined Body Parts in the Superior Parietal Lobe by Wolbers, T., Weiller, C., Büchel, C.

“…In monkeys, neurons in the superior parietal lobe (area 5) code for spatial position of contralateral body parts by combining visual and somatosensory signals…”
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Single trial fMRI reveals significant contralateral bias in responses to laser pain within thalamus and somatosensory cortices by Bingel, U., Quante, M., Knab, R., Bromm, B., Weiller, C., Büchel, C.

“…Pain is processed in multiple brain areas, indicating the complexity of pain perception. The ability to locate pain plays a pivotal role in immediate defense…”
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