Ewald Moser

Summary

Affiliation: Medical University of Vienna
Country: Austria

Publications

  1. pmc Culture but not gender modulates amygdala activation during explicit emotion recognition
    Birgit Derntl
    MR Centre of Excellence, Medical University of Vienna, Vienna, Austria
    BMC Neurosci 13:54. 2012
  2. doi request reprint 7-T MR--from research to clinical applications?
    Ewald Moser
    Centre for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
    NMR Biomed 25:695-716. 2012
  3. pmc Windows on the human body--in vivo high-field magnetic resonance research and applications in medicine and psychology
    Ewald Moser
    MR Center of Excellence, Medical University of Vienna, Lazarettgasse 14, A 1090 Vienna, Austria
    Sensors (Basel) 10:5724-57. 2010
  4. pmc A resting state network in the motor control circuit of the basal ganglia
    Simon Robinson
    Functional Neuroimaging Laboratory, Center for Mind Brain Sciences, University of Trento, Trento, Italy
    BMC Neurosci 10:137. 2009
  5. doi request reprint Magnetic resonance imaging methodology
    Ewald Moser
    MR Center of Excellence, Medical University of Vienna, Lazarettgasse 14, 1090, Vienna, Austria
    Eur J Nucl Med Mol Imaging 36:S30-41. 2009
  6. ncbi request reprint Amygdala activation at 3T in response to human and avatar facial expressions of emotions
    Ewald Moser
    MR Centre of Excellence, Medical University of Vienna, Vienna, Austria
    J Neurosci Methods 161:126-33. 2007
  7. pmc General and specific responsiveness of the amygdala during explicit emotion recognition in females and males
    Birgit Derntl
    MR Centre of Excellence, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    BMC Neurosci 10:91. 2009
  8. doi request reprint Reduced resting-state functional connectivity between amygdala and orbitofrontal cortex in social anxiety disorder
    Andreas Hahn
    Department of Psychiatry and Psychotherapy, Division of Biological Psychiatry, Medical University of Vienna, Vienna, Austria
    Neuroimage 56:881-9. 2011
  9. ncbi request reprint Decrease of NAA with aging outside the seizure focus in mesial temporal lobe epilepsy--a proton-MRS study at 3 Tesla
    Franz Riederer
    Universitätsklinik für Neurologie, Abteilung für Klinische Epilepsieforschung, Medical University of Vienna, Wahringer Gurtel 18 20, A 1090 Vienna, Austria
    Brain Res 1179:131-9. 2007
  10. doi request reprint Area-specific modulation of neural activation comparing escitalopram and citalopram revealed by pharmaco-fMRI: a randomized cross-over study
    Christian Windischberger
    MR Center of Excellence, Center for Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    Neuroimage 49:1161-70. 2010

Detail Information

Publications74

  1. pmc Culture but not gender modulates amygdala activation during explicit emotion recognition
    Birgit Derntl
    MR Centre of Excellence, Medical University of Vienna, Vienna, Austria
    BMC Neurosci 13:54. 2012
    ..Therefore, we investigated 24 Asians students (12 females) and 24 age-matched European students (12 females) during an explicit emotion recognition task, using Caucasian facial expressions only, on a high-field MRI scanner...
  2. doi request reprint 7-T MR--from research to clinical applications?
    Ewald Moser
    Centre for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
    NMR Biomed 25:695-716. 2012
    ....
  3. pmc Windows on the human body--in vivo high-field magnetic resonance research and applications in medicine and psychology
    Ewald Moser
    MR Center of Excellence, Medical University of Vienna, Lazarettgasse 14, A 1090 Vienna, Austria
    Sensors (Basel) 10:5724-57. 2010
    ..Finally, an overview of current and prospective research in multi-modal imaging, potential clinical applications, as well as current limitations and challenges is given...
  4. pmc A resting state network in the motor control circuit of the basal ganglia
    Simon Robinson
    Functional Neuroimaging Laboratory, Center for Mind Brain Sciences, University of Trento, Trento, Italy
    BMC Neurosci 10:137. 2009
    ..Reference to prior probabilistic diffusion tractography work is used to identify the basal ganglia circuit to which these fluctuations correspond...
  5. doi request reprint Magnetic resonance imaging methodology
    Ewald Moser
    MR Center of Excellence, Medical University of Vienna, Lazarettgasse 14, 1090, Vienna, Austria
    Eur J Nucl Med Mol Imaging 36:S30-41. 2009
    ..Furthermore, multi-modality imaging may enhance specificity to better characterise complex disease patterns...
  6. ncbi request reprint Amygdala activation at 3T in response to human and avatar facial expressions of emotions
    Ewald Moser
    MR Centre of Excellence, Medical University of Vienna, Vienna, Austria
    J Neurosci Methods 161:126-33. 2007
    ..However, the finding of differences between human and avatar faces in face-sensitive regions indicates the presence of mechanisms by which human brains can differentiate between them. This mechanism merits further investigation...
  7. pmc General and specific responsiveness of the amygdala during explicit emotion recognition in females and males
    Birgit Derntl
    MR Centre of Excellence, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    BMC Neurosci 10:91. 2009
    ..Stimuli were color photographs of emotional Caucasian and African American faces...
  8. doi request reprint Reduced resting-state functional connectivity between amygdala and orbitofrontal cortex in social anxiety disorder
    Andreas Hahn
    Department of Psychiatry and Psychotherapy, Division of Biological Psychiatry, Medical University of Vienna, Vienna, Austria
    Neuroimage 56:881-9. 2011
    ....
  9. ncbi request reprint Decrease of NAA with aging outside the seizure focus in mesial temporal lobe epilepsy--a proton-MRS study at 3 Tesla
    Franz Riederer
    Universitätsklinik für Neurologie, Abteilung für Klinische Epilepsieforschung, Medical University of Vienna, Wahringer Gurtel 18 20, A 1090 Vienna, Austria
    Brain Res 1179:131-9. 2007
    ..Significant decrease of NAA with age in the lateral temporal lobe of patients with mTLE provides evidence for progressive neuronal dysfunction with aging. NAA is a marker of neuronal integrity since it correlates with verbal memory...
  10. doi request reprint Area-specific modulation of neural activation comparing escitalopram and citalopram revealed by pharmaco-fMRI: a randomized cross-over study
    Christian Windischberger
    MR Center of Excellence, Center for Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    Neuroimage 49:1161-70. 2010
    ..We believe that reduced reactivity in the medial frontal gyrus found for escitalopram compared to citalopram administration might explain the response differences between study drugs as demonstrated in previous clinical trials...
  11. doi request reprint Time-resolved analysis of fMRI signal changes using Brain Activation Movies
    Christian Windischberger
    MR Center of Excellence, Medical University of Vienna, Lazarettgasse 14, A 1090 Vienna, Austria
    J Neurosci Methods 169:222-30. 2008
    ..In addition, BAMs might be helpful tools in visualizing the temporal evolution of activation in "real-time" for better and intuitive understanding of temporal processes in the human brain...
  12. pmc Liver ATP synthesis is lower and relates to insulin sensitivity in patients with type 2 diabetes
    Albrecht Ingo Schmid
    MR Center of Excellence, Medical University of Vienna, Vienna, Austria
    Diabetes Care 34:448-53. 2011
    ....
  13. doi request reprint Facial emotion recognition and amygdala activation are associated with menstrual cycle phase
    Birgit Derntl
    MR Centre of Excellence, Medical University of Vienna, Vienna, Austria
    Psychoneuroendocrinology 33:1031-40. 2008
    ....
  14. ncbi request reprint Fuzzy cluster analysis of high-field functional MRI data
    Christian Windischberger
    NMR Group, Institute for Medical Physics, University of Vienna, Wahringerstrasse 13, A 1090 Vienna, Austria
    Artif Intell Med 29:203-23. 2003
    ....
  15. doi request reprint Amygdala activity to fear and anger in healthy young males is associated with testosterone
    Birgit Derntl
    MR Centre of Excellence, Medical University of Vienna, Vienna, Austria
    Psychoneuroendocrinology 34:687-93. 2009
    ..We conclude that these findings add to our understanding of emotion processing and its modulation by neuroendocrine factors...
  16. ncbi request reprint The functional role of dorso-lateral premotor cortex during mental rotation: an event-related fMRI study separating cognitive processing steps using a novel task paradigm
    Claus Lamm
    Department of Clinical, Biological and Differential Psychology, Brain Research Laboratory, University of Vienna, Austria, Liebiggasse 5, 1010 Vienna, Austria
    Neuroimage 36:1374-86. 2007
    ..We propose that solving mental rotation tasks is heavily dependent upon visuo-motor processes and evokes neural processing that may be considered as an implicit simulation of actual object rotation...
  17. pmc A single nucleotide polymorphism associates with the response of muscle ATP synthesis to long-term exercise training in relatives of type 2 diabetic humans
    Gertrud Kacerovsky-Bielesz
    Karl Landsteiner Institute for Endocrinology and Metabolism and 1st Medical Department, Hanusch Hospital, Vienna, Austria
    Diabetes Care 35:350-7. 2012
    ..Short-term endurance training can modify their fATP and insulin sensitivity. This study examines the effects of moderate long-term exercise using endurance or resistance training in this cohort...
  18. doi request reprint Functional electrical stimulation of long-term denervated, degenerated human skeletal muscle: estimating activation using T2-parameter magnetic resonance imaging methods
    Thomas Mandl
    Center for Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    Artif Organs 32:604-8. 2008
    ..These experimental results will help further improve existing models of FES of denervated degenerated human skeletal muscle...
  19. ncbi request reprint Direct noninvasive quantification of lactate and high energy phosphates simultaneously in exercising human skeletal muscle by localized magnetic resonance spectroscopy
    Martin Meyerspeer
    MR Centre of Excellence, Medical University of Vienna, Austria
    Magn Reson Med 57:654-60. 2007
    ..Excellent agreement is shown between lactate concentrations measured noninvasively by 1H MRS, measured biochemically ex vivo, and inferred indirectly in vivo from changes in pH, P(i), and PCr as obtained from 31P MRS data...
  20. doi request reprint Comparison of measuring energy metabolism by different (31) P-magnetic resonance spectroscopy techniques in resting, ischemic, and exercising muscle
    Albrecht I Schmid
    MR Center of Excellence, Medical University of Vienna, Vienna, Austria
    Magn Reson Med 67:898-905. 2012
    ..Magn Reson Med, 2011. © 2011 Wiley-Liss, Inc...
  21. doi request reprint Amygdala activation during recognition of emotions in a foreign ethnic group is associated with duration of stay
    Birgit Derntl
    Medical University of Vienna, and University of Vienna, Vienna 1090, Austria
    Soc Neurosci 4:294-307. 2009
    ..We conclude that exposure to a foreign culture and duration of stay affect the behavioral and neural response to facial expressions of emotions...
  22. pmc Heme arginate improves reperfusion patterns after ischemia: a randomized, placebo-controlled trial in healthy male subjects
    Martin Andreas
    Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
    J Cardiovasc Magn Reson 14:55. 2012
    ..BOLD imaging was applied to test the effect of heme arginate on experimental ischemia reperfusion injury in the calf muscles...
  23. pmc Comparing localized and nonlocalized dynamic 31P magnetic resonance spectroscopy in exercising muscle at 7 T
    Martin Meyerspeer
    Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
    Magn Reson Med 68:1713-23. 2012
    ..This confirms the absence of contaminating signals originating from weaker-exercising muscle, while an observed inorganic phosphate line broadening most probably reflects variations across fibers in a single muscle...
  24. doi request reprint Multiple serial picture presentation with millisecond resolution using a three-way LC-shutter-tachistoscope
    Florian Ph S Fischmeister
    MR Centre of Excellence, Medical University of Vienna, Lazarettgasse 14, A 1090 Vienna, Austria
    J Neurosci Methods 187:235-42. 2010
    ....
  25. doi request reprint Group ICA of resting-state data: a comparison
    Veronika Schöpf
    MR Centre of Excellence, Medical University Vienna, Vienna, Austria
    MAGMA 23:317-25. 2010
    ..Both methods are based on the assumption of statistical independence of the extracted component maps ("spatial ICA"). Group maps are estimated via ICA on pre-calculated group data sets...
  26. ncbi request reprint Quantification of metabolic differences in the frontal brain of depressive patients and controls obtained by 1H-MRS at 3 Tesla
    Stephan Gruber
    NMR Group, Department of Medical Physics, University of Vienna, Vienna, Austria
    Invest Radiol 38:403-8. 2003
    ..This study compared metabolic differences in the frontal brain of depressed patients versus age- and sex-matched controls using proton magnetic resonance spectroscopy and absolute quantification of metabolites (NAA, Cr, Cho, mI) at 3 Tesla...
  27. ncbi request reprint Emotion recognition accuracy in healthy young females is associated with cycle phase
    Birgit Derntl
    MR Centre of Excellence, Medical University of Vienna, Vienna, Austria
    Horm Behav 53:90-5. 2008
    ..Our results indicate a significant association of menstrual cycle phase and thus ovarian hormone concentration on facial emotion recognition, with progesterone exerting a special influence on this social-emotional ability...
  28. pmc RESCALE: Voxel-specific task-fMRI scaling using resting state fluctuation amplitude
    Klaudius Kalcher
    MR Centre of Excellence, Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
    Neuroimage 70:80-8. 2013
    ..0% in the visual cortex and 12.7% in the left motor cortex. The RESCALE method as proposed herein can be easily applied to all task-based fMRI group studies provided that resting-state data for the same subject group is also acquired...
  29. pmc Fully exploratory network independent component analysis of the 1000 functional connectomes database
    Klaudius Kalcher
    MR Centre of Excellence, Center for Medical Physics and Biomedical Engineering, Medical University of Vienna Vienna, Austria Department of Statistics and Probability Theory, Vienna University of Technology Vienna, Austria
    Front Hum Neurosci 6:301. 2012
    ..Finally, we identified the influence of scan duration on the number of components as a source of heterogeneity between studies...
  30. ncbi request reprint The spatial resolution in dosimetry with normoxic polymer-gels investigated with the dose modulation transfer approach
    Christian Bayreder
    MR Centre of Excellence, Center for Biomedical Engineering and Physics, Medical University of Vienna, Vienna, Austria
    Med Phys 35:1756-69. 2008
    ..The authors discuss possible reasons. The in-plane resolution achieved in this work competes with the spatial resolution of standard clinical film-scanner systems...
  31. pmc Semi-LASER localized dynamic 31P magnetic resonance spectroscopy in exercising muscle at ultra-high magnetic field
    Martin Meyerspeer
    Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Wien, Austria
    Magn Reson Med 65:1207-15. 2011
    ..The method may improve the interpretation of dynamic muscle MRS data...
  32. ncbi request reprint 1H magnetic resonance spectroscopy at 3 T in cryptogenic and mesial temporal lobe epilepsy
    Franz Riederer
    Universitätsklinik für Neurologie, Abteilung für Klinische Epilepsieforschung, Medizinische Universität Wien, A 1090 Vienna, Austria
    NMR Biomed 19:544-53. 2006
    ..004). The results confirm low NAA in mTLE and to a lesser extent in cTLE patients. MI and mI/Cre were identified as potential metabolic indicators of the epileptogenic area in cTLE...
  33. pmc Increased neural habituation in the amygdala and orbitofrontal cortex in social anxiety disorder revealed by FMRI
    Ronald Sladky
    MR Centre of Excellence, Medical University of Vienna, Vienna, Austria
    PLoS ONE 7:e50050. 2012
    ..Initial hyperactivation may be explained by an insufficient habituation to new stimuli during the first seconds of exposure. In addition, our results highlight the relevance of the orbitofrontal cortex in social anxiety disorders...
  34. pmc High-resolution functional MRI of the human amygdala at 7 T
    Ronald Sladky
    MR Centre of Excellence, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    Eur J Radiol 82:728-33. 2013
    ....
  35. doi request reprint A highly parallelized framework for computationally intensive MR data analysis
    Roland N Boubela
    Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
    MAGMA 25:313-20. 2012
    ..The goal of this study was to develop a comprehensive magnetic resonance (MR) data analysis framework for handling very large datasets with user-friendly tools for parallelization and to provide an example implementation...
  36. doi request reprint No amygdala attenuation in schizophrenic patients treated with atypical antipsychotics
    Gabriele Sachs
    Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
    Psychiatry Res 202:168-71. 2012
    ..No difference was detected between patients with schizophrenia and controls...
  37. ncbi request reprint Robust field map generation using a triple-echo acquisition
    Christian Windischberger
    Department of Medical Physics, Medical University of Vienna, Vienna, Austria
    J Magn Reson Imaging 20:730-4. 2004
    ..To establish a fast and robust technique for generating magnetic field maps for the correction of geometric distortions in echo-planar magnetic resonance (MR) images...
  38. pmc Multi-subject analyses with dynamic causal modeling
    Christian Herbert Kasess
    MR Center of Excellence, Medical University of Vienna, Austria
    Neuroimage 49:3065-74. 2010
    ..Group results obtained with these FFX approaches should therefore be interpreted carefully by considering estimates of dependencies among model parameters...
  39. ncbi request reprint Human motor cortex activity during mental rotation
    Christian Windischberger
    NMR Group, Department of Medical Physics, University of Vienna, Wahringerstrasse 13, A 1090 Vienna, Austria
    Neuroimage 20:225-32. 2003
    ....
  40. ncbi request reprint Bone homogeneity factor: an advanced tool for the assessment of osteoporotic bone structure in high-resolution magnetic resonance images
    Herbert Langenberger
    Department of Radiodiagnostics, University of Vienna, Medical School, Waehringer Guertel 18 20, A 1090 Vienna, Austria
    Invest Radiol 38:467-72. 2003
    ..In this study we introduce the bone homogeneity factor (BHF) as a quantitative measurement of bone structure, which could be equally important as bone mineral density...
  41. ncbi request reprint Proton magnetic resonance spectroscopic imaging in brain tumor diagnosis
    Stephen Gruber
    Magnetic Resonance Centre of Excellence, Medical University of Vienna, Lazarettgasse 14, A 1090 Vienna, Austria
    Neurosurg Clin N Am 16:101-14, vi. 2005
    ..The current status and limitations in proton MRSI are discussed, and we look to the potential of faster data collection and even higher field strength...
  42. pmc Effects of individual glucose levels on the neuronal correlates of emotions
    Veronika Schöpf
    MR Centre of Excellence, Medical University Vienna Vienna, Austria Center of Medical Physics and Biomedical Engineering, Medical University Vienna Vienna, Austria Division of Neuro and Musculoskeletal Radiology, Department of Radiology, Medical University Vienna Vienna, Austria
    Front Hum Neurosci 7:212. 2013
    ..This study offers novel insight for the understanding of disease-related behavior associated with dysregulation of glucose and glucose availability, potentially offering improved diagnostic and novel therapeutic strategies in the future...
  43. pmc The human factor: behavioral and neural correlates of humanized perception in moral decision making
    Jasminka Majdandzic
    Social, Cognitive and Affective Neuroscience Unit, Faculty of Psychology, University of Vienna, Vienna, Austria
    PLoS ONE 7:e47698. 2012
    ..These findings highlight the importance of others' perceived humanness for prosocial behavior - with aversive affect and other-related concern when imagining harming more "human-like" persons acting against purely utilitarian decisions...
  44. doi request reprint Multimodal imaging of human early visual cortex by combining functional and molecular measurements with fMRI and PET
    Florian Gerstl
    MR Centre of Excellence, Centre for Biomedical Engineering and Physics, Medical University of Vienna, Austria
    Neuroimage 41:204-11. 2008
    ..Our in vivo findings clearly support prior assumptions of a link between receptor distribution and functional fields of the human cortex...
  45. pmc Effect of ischemic preconditioning in skeletal muscle measured by functional magnetic resonance imaging and spectroscopy: a randomized crossover trial
    Martin Andreas
    Department of Clinical Pharmacology, Medical University of Vienna, Waehringer Guertel 18 20, A 1090 Vienna, Austria
    J Cardiovasc Magn Reson 13:32. 2011
    ..Therefore, in-vivo NMR may enable the characterization of ischemia-reperfusion injury. The goal of this study was to evaluate whether NMR could detect the effects of ischemic preconditioning (IPC) in healthy subjects...
  46. doi request reprint The impact of EPI voxel size on SNR and BOLD sensitivity in the anterior medio-temporal lobe: a comparative group study of deactivation of the Default Mode
    Simon D Robinson
    MR Center of Excellence, Medical University of Vienna, Lazarettegasse 14, 1090, Vienna, Austria
    MAGMA 21:279-90. 2008
    ....
  47. doi request reprint Correlations and anticorrelations in resting-state functional connectivity MRI: a quantitative comparison of preprocessing strategies
    Andreas Weissenbacher
    MR Centre of Excellence, Medical University of Vienna, Vienna, Austria
    Neuroimage 47:1408-16. 2009
    ....
  48. doi request reprint Non-invasive assessment of hepatic fat accumulation in chronic hepatitis C by 1H magnetic resonance spectroscopy
    Martin Krssak
    Department of Internal Medicine III, Division of Endocrinology and Metabolism, Medical University of Vienna, Austria
    Eur J Radiol 74:e60-6. 2010
    ..Liver biopsy is the standard method for diagnosis of hepatic steatosis, but is invasive and carries some risk of morbidity...
  49. ncbi request reprint Wavelet-based multifractal analysis of fMRI time series
    Yu Shimizu
    MR Centre of Excellence, Medical University of Vienna, Austria
    Neuroimage 22:1195-202. 2004
    ..Using these multifractal parameters, it is possible to identify activated areas in the human brain in both hybrid and in vivo fMRI data sets without knowledge of the stimulation paradigm applied...
  50. ncbi request reprint A quantitative comparison of functional MRI cluster analysis
    Evgenia Dimitriadou
    Institut für Statistik und Wahrscheinlichkeitstheorie, Technische Universitat Wien, Vienna, Austria
    Artif Intell Med 31:57-71. 2004
    ....
  51. ncbi request reprint Basic investigations on the performance of a normoxic polymer gel with tetrakis-hydroxy-methyl-phosphonium chloride as an oxygen scavenger: reproducibility, accuracy, stability, and dose rate dependence
    Christian Bayreder
    MR Centre of Excellence, Center for Biomedical Engineering and Physics, Medical University of Vienna, Waehringerstrasse 13, A 1090, Vienna, Austria
    Med Phys 33:2506-18. 2006
    ..THPC represents a very effective oxygen scavenger in methacrylic acid and gelatin. Polymer gels containing THPC offer high sensitivity to dose but their dose response also strongly depends on dose rate in the medium and high dose region...
  52. doi request reprint Diffusion-weighted MR for differentiation of breast lesions at 3.0 T: how does selection of diffusion protocols affect diagnosis?
    Wolfgang Bogner
    Department of Radiology, Medical University Vienna Vienna General Hospital, Waehringer Guertel 18 20, A 1090 Vienna, Austria
    Radiology 253:341-51. 2009
    ....
  53. pmc Body and liver fat mass rather than muscle mitochondrial function determine glucose metabolism in women with a history of gestational diabetes mellitus
    Thomas Prikoszovich
    Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
    Diabetes Care 34:430-6. 2011
    ..Because women with a history of gestational diabetes mellitus (pGDM) have elevated ectopic lipids and diabetes risk, we tested whether deteriorated energy metabolism contributes to these abnormalities...
  54. doi request reprint The suppressive influence of SMA on M1 in motor imagery revealed by fMRI and dynamic causal modeling
    Christian H Kasess
    MR Center of Excellence, Medical University of Vienna, Austria
    Neuroimage 40:828-37. 2008
    ..These results highlight the importance of the SMA not only for the preparation and execution of intended movements, but also for suppressing movements that are represented in the motor system but not to be performed...
  55. pmc Effects of functional electrical stimulation in denervated thigh muscles of paraplegic patients mapped with T2 imaging
    Martin Meyerspeer
    MR Centre of Excellence, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    MAGMA 21:219-26. 2008
    ..Experimental validation of these results, however, has not yet been established...
  56. pmc Slice-timing effects and their correction in functional MRI
    Ronald Sladky
    MR Centre of Excellence, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
    Neuroimage 58:588-94. 2011
    ..In addition, our results from simulated data were supported by empirical in vivo datasets. Our findings suggest that slice-timing correction should be included in the fMRI pre-processing pipeline...
  57. ncbi request reprint Relaxation times of 31P-metabolites in human calf muscle at 3 T
    Martin Meyerspeer
    NMR Group, Department of Medical Physics, Vienna University, Wahringerstrasse 13, A 1090 Vienna, Austria
    Magn Reson Med 49:620-5. 2003
    ....
  58. ncbi request reprint Consistency of inter-trial activation using single-trial fMRI: assessment of regional differences
    Christian Windischberger
    AGNMR, Institute for Medical Physics, University of Vienna, Waehringerstrasse 13, A 1090 Vienna, Austria
    Brain Res Cogn Brain Res 13:129-38. 2002
    ....
  59. ncbi request reprint High-resolution diffusivity imaging at 3.0 T for the detection of degenerative changes: a trypsin-based arthritis model
    Andreas Berg
    Department of Medical Physics, University of Vienna, Woehringerstr, 13, A 1090 Vienna, Austria
    Invest Radiol 38:460-6. 2003
    ..To establish whether it is possible to quantitatively characterize the degenerative changes in cartilage that typify arthritis on a sub-150-microm resolution scale using a 3.0 T whole body MR-scanner with a reasonable measurement time...
  60. pmc Short-term exercise training does not stimulate skeletal muscle ATP synthesis in relatives of humans with type 2 diabetes
    Gertrud Kacerovsky-Bielesz
    Medical Department, Hanusch Hospital, Vienna, Austria
    Diabetes 58:1333-41. 2009
    ..We tested the hypothesis that short-term exercise training improves hereditary insulin resistance by stimulating ATP synthesis and investigated associations with gene polymorphisms...
  61. ncbi request reprint High-resolution 3D proton spectroscopic imaging of the human brain at 3 T: SNR issues and application for anatomy-matched voxel sizes
    Stephan Gruber
    NMR Group, Institute of Medical Physics, University of Vienna, Vienna, Austria
    Magn Reson Med 49:299-306. 2003
    ..High-resolution SI data were demonstrated in our study to allow the direct matching of anatomic and metabolic images. This may enhance the clinical value of (1)H-SI...
  62. ncbi request reprint Diffusivity- and T2 imaging at 3 Tesla for the detection of degenerative changes in human-excised tissue with high resolution: atherosclerotic arteries
    Andreas Berg
    Institute for Medical Physics, University of Vienna, Waehringerstr 13, A 1090 Vienna, Austria
    Invest Radiol 38:452-9. 2003
    ..We investigated whether it is possible to investigate degenerative changes in human tissue on a sub-100-microm resolution scale not only on special high-field small-bore MR-microscopy systems but also on a 3T whole-body MR-scanner...
  63. doi request reprint Magnetic resonance microimaging of human skin vasculature in vivo at 3 Tesla
    Elmar Laistler
    Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Wahringer Gurtel 18 20, 1090 Vienna, Austria
    Magn Reson Med 65:1718-23. 2011
    ..The presented method can be used for diagnosis and, due to its non-invasiveness, treatment monitoring of vascular pathologies in the skin, such as inflammation, vascular malformation, or neoangiogenesis in superficial tumors...
  64. ncbi request reprint Comparison of multi-echo spiral and echo planar imaging in functional MRI
    Markus Klarhöfer
    Arbeitsgruppe NMR, Institut für Medizinische Physik, Universitat Wien, Vienna, Austria
    Magn Reson Imaging 20:359-64. 2002
    ..In these investigations spiral imaging allowed higher spatial resolution due to more efficient use of available gradient performance...
  65. ncbi request reprint Amygdala activation and facial expressions: explicit emotion discrimination versus implicit emotion processing
    Ute Habel
    Department of Psychiatry and Psychotherapy, University of Aachen, Germany
    Neuropsychologia 45:2369-77. 2007
    ..A significant correlation between amygdala activation and emotion recognition, but not age discrimination performance, emphasizes the amygdala's enhanced role during conscious emotion processing...
  66. ncbi request reprint EEG reveals the effect of fMRI scanner noise on noise-sensitive subjects
    Juergen Pripfl
    Brain Research Lab, Department of Psychology, University of Vienna, Liebiggasse 5, A 1010 Vienna, Austria
    Neuroimage 31:332-41. 2006
    ..These findings suggest that individual reactions to fMRI scanner noise should be taken into account when designing fMRI studies and interpreting results...
  67. ncbi request reprint Proton magnetic resonance spectroscopic imaging integrated into image-guided surgery: correlation to standard magnetic resonance imaging and tumor cell density
    Oliver Ganslandt
    Department of Neurosurgery, University of Erlangen Nuremberg, Erlangen, Germany
    Neurosurgery 56:291-8; discussion 291-8. 2005
    ..The purpose was to correlate tumor cell density from histopathological specimens with metabolic levels and the coregistered metabolic maps...
  68. ncbi request reprint Improved delineation of brain tumors: an automated method for segmentation based on pathologic changes of 1H-MRSI metabolites in gliomas
    Andreas Stadlbauer
    Department of Neurosurgery, Neurocenter, University of Erlangen Nuremberg, Erlangen, Germany
    Neuroimage 23:454-61. 2004
    ..We conclude that high spatial resolution (1)H-MRSI (nominal voxel size = 0.45 cm(3)) in combination with our segmentation algorithm can improve delineation of tumor borders compared to routine MRI tumor diagnosis...
  69. ncbi request reprint Automated unwrapping of MR phase images applied to BOLD MR-venography at 3 Tesla
    Alexander Rauscher
    NMR Group, Institute of Medical Physics, University of Vienna, Austria
    J Magn Reson Imaging 18:175-80. 2003
    ..To improve the diagnostic value of BOLD MR-Venography by removing artifacts related to phase wrapping, particularly in regions of large background susceptibilities at high magnetic field strengths...
  70. ncbi request reprint Diffusion tensor imaging and optimized fiber tracking in glioma patients: Histopathologic evaluation of tumor-invaded white matter structures
    Andreas Stadlbauer
    Department of Neurosurgery, University of Erlangen Nuremberg, Schwabachanlage 6, D 91054 Erlangen, Germany
    Neuroimage 34:949-56. 2007
    ..These findings may be useful in planning therapeutic approaches to gliomas in the vicinity of eloquent brain regions...
  71. ncbi request reprint Absolute quantification of phosphorus metabolite concentrations in human muscle in vivo by 31P MRS: a quantitative review
    Graham J Kemp
    Division of Metabolic and Cellular Medicine, Faculty of Medicine, University of Liverpool, Liverpool, UK
    NMR Biomed 20:555-65. 2007
    ..e. from measured PCr/ATP and Pi/ATP ratios, assuming a literature value for [ATP])...
  72. ncbi request reprint The preparation and readiness for voluntary movement: a high-field event-related fMRI study of the Bereitschafts-BOLD response
    Ross Cunnington
    Howard Florey Institute and Center for Neuroscience, University of Melbourne, Melbourne 3010, Victoria, Australia
    Neuroimage 20:404-12. 2003
    ..These results provide further evidence that the SMA and cingulate motor areas are major contributors to early stage premovement activity and play an important role in the preparation and readiness for voluntary movement...
  73. doi request reprint Altered reward processing in the nucleus accumbens and mesial prefrontal cortex of patients with posttraumatic stress disorder
    Uta Sailer
    Faculty of Psychology, University of Vienna, Liebiggasse 5, A 1010 Vienna, Austria
    Neuropsychologia 46:2836-44. 2008
    ..These findings suggest that positive outcome information lost its salience for patients with PTSD. This may reflect decreasing motivation as the task progressed...
  74. ncbi request reprint Imaging the changing role of feedback during learning in decision-making
    Uta Sailer
    Faculty of Psychology, University of Vienna, Liebiggasse 5, A 1010 Vienna, Austria
    Neuroimage 37:1474-86. 2007
    ..This suggests that positive prediction errors are more sensitive to increased reward predictability than are negative prediction errors...