Thomas Kammer

Summary

Affiliation: University of Ulm
Country: Germany

Publications

  1. ncbi request reprint Phosphene thresholds evoked by transcranial magnetic stimulation are insensitive to short-lasting variations in ambient light
    Thomas Kammer
    Department of Neurobiology, Max Planck Institute for Biological Cybernetics, Spemannstrasse 38, 72076 Tubingen, Germany
    Exp Brain Res 145:407-10. 2002
  2. ncbi request reprint Mozart in the neurological department - who has the tic?
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Ulm, Germany
    Front Neurol Neurosci 22:184-92. 2007
  3. pmc Visual masking by transcranial magnetic stimulation in the first 80 milliseconds
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Germany
    Adv Cogn Psychol 3:177-9. 2007
  4. doi request reprint Brain stimulation in psychiatry: methods and magnets, patients and parameters
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Ulm, Germany
    Curr Opin Psychiatry 25:535-41. 2012
  5. ncbi request reprint Anisotropy in the visual cortex investigated by neuronavigated transcranial magnetic stimulation
    Thomas Kammer
    Department of Cognitive Neurology, Hertie Institute for Clinical Brain Research, University of Tuebingen, Germany
    Neuroimage 36:313-21. 2007
  6. doi request reprint Phosphene thresholds evoked with single and double TMS pulses
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Ulm, Germany
    Clin Neurophysiol 121:376-9. 2010
  7. ncbi request reprint Masking visual stimuli by transcranial magnetic stimulation
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075, Ulm, Germany
    Psychol Res 71:659-66. 2007
  8. ncbi request reprint Transcranial magnetic stimulation in the visual system. II. Characterization of induced phosphenes and scotomas
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Exp Brain Res 160:129-40. 2005
  9. doi request reprint Exploring the after-effects of theta burst magnetic stimulation on the human motor cortex: a functional imaging study
    Lizbeth Cárdenas-Morales
    Department of Psychiatry, University of Ulm, Germany
    Hum Brain Mapp 32:1948-60. 2011
  10. doi request reprint Effect of TMS on oculomotor behavior but not perceptual stability during smooth pursuit eye movements
    Thomas Haarmeier
    Department of Cognitive Neurology and Department of General Neurology, Hertie Institute for Clinical Brain Research, University of Tubingen, 72076 Tubingen, Germany
    Cereb Cortex 20:2234-43. 2010

Detail Information

Publications21

  1. ncbi request reprint Phosphene thresholds evoked by transcranial magnetic stimulation are insensitive to short-lasting variations in ambient light
    Thomas Kammer
    Department of Neurobiology, Max Planck Institute for Biological Cybernetics, Spemannstrasse 38, 72076 Tubingen, Germany
    Exp Brain Res 145:407-10. 2002
    ..This confirms that the main adaptation to light takes place at subcortical levels, namely at the retina. The practical conclusion is that it is unnecessary to blindfold subjects when determining phosphene thresholds...
  2. ncbi request reprint Mozart in the neurological department - who has the tic?
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Ulm, Germany
    Front Neurol Neurosci 22:184-92. 2007
    ..This is neither the case in the work of Samuel Johnson (1709-1784) nor in that of André Malraux (1901-1976). In conclusion, Tourette's syndrome is an inventive but implausible diagnosis in the medical history of Mozart...
  3. pmc Visual masking by transcranial magnetic stimulation in the first 80 milliseconds
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Germany
    Adv Cogn Psychol 3:177-9. 2007
    ..The early time window was not reproducible in all the attempts to characterize TMS masking effects. Interindividual anatomical differences in the location of V1 might contribute to the heterogeneous results...
  4. doi request reprint Brain stimulation in psychiatry: methods and magnets, patients and parameters
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Ulm, Germany
    Curr Opin Psychiatry 25:535-41. 2012
    ..Electromagnetic brain stimulation is performed in various ways in psychiatric settings for the treatment of a variety of psychiatric disorders...
  5. ncbi request reprint Anisotropy in the visual cortex investigated by neuronavigated transcranial magnetic stimulation
    Thomas Kammer
    Department of Cognitive Neurology, Hertie Institute for Clinical Brain Research, University of Tuebingen, Germany
    Neuroimage 36:313-21. 2007
    ..As a consequence, optimal TMS application should always take into account the individual orientation of the gyrus to be stimulated...
  6. doi request reprint Phosphene thresholds evoked with single and double TMS pulses
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Ulm, Germany
    Clin Neurophysiol 121:376-9. 2010
    ..To evaluate the quantitative advantage of double pulses vs. single pulses in TMS phosphenes evoked from the occipital cortex...
  7. ncbi request reprint Masking visual stimuli by transcranial magnetic stimulation
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075, Ulm, Germany
    Psychol Res 71:659-66. 2007
    ..The relation between visual masking and the generation of phosphenes is discussed as well as the underlying physiological mechanisms...
  8. ncbi request reprint Transcranial magnetic stimulation in the visual system. II. Characterization of induced phosphenes and scotomas
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Exp Brain Res 160:129-40. 2005
    ..It is most likely that both the optic radiation close to its termination in the dorsal parts of V1 and back-projecting fibers from V2 and V3 back to V1 generate phosphenes and scotomas...
  9. doi request reprint Exploring the after-effects of theta burst magnetic stimulation on the human motor cortex: a functional imaging study
    Lizbeth Cárdenas-Morales
    Department of Psychiatry, University of Ulm, Germany
    Hum Brain Mapp 32:1948-60. 2011
    ..The facilitation changing the efficacy of neural signal transmission seems to be reflected by a BOLD signal decrease, whereas the network at rest does not appear to be affected...
  10. doi request reprint Effect of TMS on oculomotor behavior but not perceptual stability during smooth pursuit eye movements
    Thomas Haarmeier
    Department of Cognitive Neurology and Department of General Neurology, Hertie Institute for Clinical Brain Research, University of Tubingen, 72076 Tubingen, Germany
    Cereb Cortex 20:2234-43. 2010
    ..The lack of significant influences of TMS on perception suggests that motion perception invariance is not based on a localized but rather a highly distributed network featuring parallel processing...
  11. ncbi request reprint Electric field properties of two commercial figure-8 coils in TMS: calculation of focality and efficiency
    Axel Thielscher
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12 14, D 89075 Ulm, BW, Germany
    Clin Neurophysiol 115:1697-708. 2004
    ..To compare two commonly used TMS coils, namely the Medtronic MC-B70 double coil and the Magstim 70 mm double coil, with respect to their electric field distributions induced on the cortex...
  12. ncbi request reprint Linking physics with physiology in TMS: a sphere field model to determine the cortical stimulation site in TMS
    Axel Thielscher
    Department of Psychiatry III, University of Ulm, Ulm, Germany
    Neuroimage 17:1117-30. 2002
    ..Our results help to resolve fundamental questions raised by motor mapping studies as well as motor threshold measurements...
  13. ncbi request reprint Transcranial magnetic stimulation in the visual system. I. The psychophysics of visual suppression
    Thomas Kammer
    Department of Psychiatry, University of Ulm, Leimgrubenweg 12 14, 89075 Ulm, Germany
    Exp Brain Res 160:118-28. 2005
    ..In the companion contribution to this one we present perimetric measurements and phosphene forms as a function of the stimulation site in the brain and discuss the putative generator structures...
  14. doi request reprint Xenon-induced changes in CNS sensitization to pain
    Oliver Adolph
    Department of Anesthesiology, University Hospital of Ulm, Steinhoevelstrasse 9, Ulm, Germany
    Neuroimage 49:720-30. 2010
    ..This study demonstrates how LTP related processes known from the cellular level can be investigated at the brain systems level...
  15. pmc Neural activation in humans during a simple motor task differs between BDNF polymorphisms
    Lizbeth Cárdenas-Morales
    Department of Psychiatry, University of Ulm, Ulm, Germany Max Planck Institute for Neurological Research, Cologne, Germany Neurological Department, University of Cologne, Cologne, Germany
    PLoS ONE 9:e96722. 2014
    ....
  16. ncbi request reprint Electroencephalographic response to transcranial magnetic stimulation in children: Evidence for giant inhibitory potentials
    Stephan Bender
    Department for Child and Adolescent Psychiatry, University of Heidelberg, Heidelberg, Germany
    Ann Neurol 58:58-67. 2005
    ..Parallels between the inhibitory N100 after TMS (provoking massive synchronous excitation) and the inhibitory wave component of epileptic spike wave complexes are suggested...
  17. ncbi request reprint Effects of repetitive transcranial magnetic stimulation (rTMS) on slow cortical potentials (SCP)
    Ahmed A Karim
    Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, International Max Planck Research School of Neural and Behavioral Sciences, Tubingen, Germany
    Suppl Clin Neurophysiol 56:331-7. 2003
  18. ncbi request reprint Motor and phosphene thresholds: consequences of cortical anisotropy
    Thomas Kammer
    Department of Neurobiology, Max Planck Institute for Biological Cybernetics, Department of Neurology, University of Tubingen, Tubingen, Germany
    Suppl Clin Neurophysiol 56:198-203. 2003
  19. ncbi request reprint Combining backward masking and transcranial magnetic stimulation in human observers
    Thomas Kammer
    Department of Neurobiology, Max Planck Institute for Biological Cybernetics, Tubingen, Germany
    Neurosci Lett 343:171-4. 2003
    ..Therefore, TMS and backward masking can interact in a non-linear manner, strongly interfering with early visual processing...
  20. ncbi request reprint Feature fusion reveals slow and fast visual memories
    Frank Scharnowski
    Ecole Polytechnique Federale de Lausanne EPFL, Switzerland
    J Cogn Neurosci 19:632-41. 2007
    ....