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2,023 results on '"Bittner, R."'

5. Magnetresonanztomographie (MRT)

Author

Bittner, R., Diehl, V., Becht, Stefanie, editor, Bittner, Roland C., editor, Ohmstede, Anke, editor, Pfeiffer, Andreas, editor, and Roßdeutscher, Reinhard, editor

Published
2019
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18. Update of Guidelines for laparoscopic treatment of ventral and incisional abdominal wall hernias (International Endohernia Society (IEHS)): Part B

Author

Bittner, R., Bain, K., Bansal, V. K., Berrevoet, F., Bingener-Casey, J., Chen, D., Chen, J., Chowbey, P., Dietz, U. A., de Beaux, A., Ferzli, G., Fortelny, R., Hoffmann, H., Iskander, M., Ji, Z., Jorgensen, L. N., Khullar, R., Kirchhoff, P., Köckerling, F., Kukleta, J., LeBlanc, K., Li, J., Lomanto, D., Mayer, F., Meytes, V., Misra, M., Morales-Conde, S., Niebuhr, H., Radvinsky, D., Ramshaw, B., Ranev, D., Reinpold, W., Sharma, A., Schrittwieser, R., Stechemesser, B., Sutedja, B., Tang, J., Warren, J., Weyhe, D., Wiegering, A., Woeste, G., and Yao, Q.

Published
2019
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19. Update of Guidelines for laparoscopic treatment of ventral and incisional abdominal wall hernias (International Endohernia Society (IEHS))—Part A

Author

Bittner, R., Bain, K., Bansal, V. K., Berrevoet, F., Bingener-Casey, J., Chen, D., Chen, J., Chowbey, P., Dietz, U. A., de Beaux, A., Ferzli, G., Fortelny, R., Hoffmann, H., Iskander, M., Ji, Z., Jorgensen, L. N., Khullar, R., Kirchhoff, P., Köckerling, F., Kukleta, J., LeBlanc, K., Li, J., Lomanto, D., Mayer, F., Meytes, V., Misra, M., Morales-Conde, S., Niebuhr, H., Radvinsky, D., Ramshaw, B., Ranev, D., Reinpold, W., Sharma, A., Schrittwieser, R., Stechemesser, B., Sutedja, B., Tang, J., Warren, J., Weyhe, D., Wiegering, A., Woeste, G., and Yao, Q.

Published
2019
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21. Correction to: Update of Guidelines for laparoscopic treatment of ventral and incisional abdominal wall hernias (International Endohernia Society (IEHS))—Part A

Author

Bittner, R., Bain, K., Bansal, V. K., Berrevoet, F., Bingener-Casey, J., Chen, D., Chen, J., Chowbey, P., Dietz, U. A., de Beaux, A., Ferzli, G., Fortelny, R., Hoffmann, H., Iskander, M., Ji, Z., Jorgensen, L. N., Khullar, R., Kirchhoff, P., Köckerling, F., Kukleta, J., LeBlanc, K., Li, J., Lomanto, D., Mayer, F., Meytes, V., Misra, M., Morales-Conde, S., Niebuhr, H., Radvinsky, D., Ramshaw, B., Ranev, D., Reinpold, W., Sharma, A., Schrittwieser, R., Stechemesser, B., Sutedja, B., Tang, J., Warren, J., Weyhe, D., Wiegering, A., Woeste, G., and Yao, Q.

Published
2019
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22. Dynamical investigation of macromolecular hybridization bioassays

Author

Bittner, R., Wassermeier, M., and Wixforth, A.

Subjects
Physics - Instrumentation and Detectors, Physics - Biological Physics, Quantitative Biology
Abstract

A novel sensoric technique for the dynamical in situ investigation of a hybridization bio assay is presented, which utilizes a metal bead labeling method. Therein, hybridization results in an increased metal coverage on parts of a substrate, where it takes place. Our sensing principle relies on the measurement of the radio frequency impedance of the hybridization spots. We propose several examples for sensor devices.

Published
2002

41. Improved correspondence of fMRI visual field localizer data after cortex-based macroanatomical alignment

Author

Qubad, M., Barnes-Scheufler, C., Schaum, M., Raspor, E., Rösler, L., Peters, B., Schiweck, C., Goebel, R., Reif, A., Bittner, R., Vision, RS: FPN CN 1, and Netherlands Institute for Neuroscience (NIN)

Subjects
Cerebral Cortex, SUBJECT, WORKING-MEMORY DYSFUNCTION, AREA, SPATIAL ATTENTION, TOPOGRAPHY, HUMAN BRAIN, Magnetic Resonance Imaging/methods, VARIABILITY, Brain Mapping/methods, SCHIZOPHRENIA, ASYMMETRY, REGISTRATION, Humans, Visual Fields, Probability
Abstract

Studying the visual system with fMRI often requires using localizer paradigms to define regions of interest (ROIs). However, the considerable interindividual variability of the cerebral cortex represents a crucial confound for group-level analyses. Cortex-based alignment (CBA) techniques reliably reduce interindividual macroanatomical variability. Yet, their utility has not been assessed for visual field localizer paradigms, which map specific parts of the visual field within retinotopically organized visual areas. We evaluated CBA for an attention-enhanced visual field localizer, mapping homologous parts of each visual quadrant in 50 participants. We compared CBA with volume-based alignment and a surface-based analysis, which did not include macroanatomical alignment. CBA led to the strongest increase in the probability of activation overlap (up to 86%). At the group level, CBA led to the most consistent increase in ROI size while preserving vertical ROI symmetry. Overall, our results indicate that in addition to the increased signal-to-noise ratio of a surface-based analysis, macroanatomical alignment considerably improves statistical power. These findings confirm and extend the utility of CBA for the study of the visual system in the context of group analyses. CBA should be particularly relevant when studying neuropsychiatric disorders with abnormally increased interindividual macroanatomical variability.

Published
2022

43. Surgical Management of Pancreatic Abscess

Author

Bittner, R., Rau, B. M., Beger, H. G., Beger, Hans G., editor, Matsuno, Seiki, editor, Cameron, John L., editor, Rau, Bettina M., editor, Sunamura, Makoto, editor, and Schulick, Richard D., editor

Published
2008
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