Markus Butz

Summary

Affiliation: University College London
Country: UK

Publications

  1. doi request reprint The slowed brain: cortical oscillatory activity in hepatic encephalopathy
    Markus Butz
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Universitätsstraße 1, D 40225 Dusseldorf, Germany
    Arch Biochem Biophys 536:197-203. 2013
  2. doi request reprint Increased SMA-M1 coherence in Parkinson's disease - Pathophysiology or compensation?
    Bettina Pollok
    Heinrich Heine University Duesseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, 40225 Duesseldorf, Germany
    Exp Neurol 247:178-81. 2013
  3. doi request reprint A direct relationship between oscillatory subthalamic nucleus-cortex coupling and rest tremor in Parkinson's disease
    Jan Hirschmann
    1 Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University Dusseldorf, Dusseldorf, Germany
    Brain 136:3659-70. 2013
  4. doi request reprint Lowered frequency and impaired modulation of gamma band oscillations in a bimodal attention task are associated with reduced critical flicker frequency
    Nina Kahlbrock
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Universitätsstraße 1, D 40225 Dusseldorf, Germany
    Neuroimage 61:216-27. 2012
  5. doi request reprint Hepatic encephalopathy is associated with slowed and delayed stimulus-associated somatosensory alpha activity
    Elisabeth S May
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Universitätsstraße 1, D 40225 Dusseldorf, Germany
    Clin Neurophysiol 125:2427-35. 2014
  6. pmc Changes of cortico-muscular coherence: an early marker of healthy aging?
    Daniel Kamp
    Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, University Düsseldorf, Dusseldorf, Germany
    Age (Dordr) 35:49-58. 2013
  7. doi request reprint Pre- and post-stimulus alpha activity shows differential modulation with spatial attention during the processing of pain
    Elisabeth S May
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Universitatsstrasse 1, D 40225 Dusseldorf, Germany
    Neuroimage 62:1965-74. 2012
  8. doi request reprint Sustained gamma band synchronization in early visual areas reflects the level of selective attention
    Nina Kahlbrock
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Department of Neurology, Universitätsstraße 1, D 40225 Dusseldorf, Germany
    Neuroimage 59:673-81. 2012
  9. doi request reprint Low visual cortex GABA levels in hepatic encephalopathy: links to blood ammonia, critical flicker frequency, and brain osmolytes
    Georg Oeltzschner
    Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University Dusseldorf, Universitatsstr 1, D 40225, Dusseldorf, Germany
    Metab Brain Dis 30:1429-38. 2015
  10. doi request reprint High frequency oscillations in the subthalamic nucleus: a neurophysiological marker of the motor state in Parkinson's disease
    Tolga Esat Ozkurt
    Institute of Clinical Neuroscience and Medical Psychology, Heinrich Heine University, Dusseldorf, Germany
    Exp Neurol 229:324-31. 2011

Collaborators

Detail Information

Publications11

  1. doi request reprint The slowed brain: cortical oscillatory activity in hepatic encephalopathy
    Markus Butz
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Universitätsstraße 1, D 40225 Dusseldorf, Germany
    Arch Biochem Biophys 536:197-203. 2013
    ..Although the underlying causal mechanisms are not yet understood, these results indicate that pathological changes of oscillatory activity play an important role in the pathophysiology of HE. ..
  2. doi request reprint Increased SMA-M1 coherence in Parkinson's disease - Pathophysiology or compensation?
    Bettina Pollok
    Heinrich Heine University Duesseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, 40225 Duesseldorf, Germany
    Exp Neurol 247:178-81. 2013
    ..The results favor the hypothesis that OFF medication exaggerated cortical coherence at beta frequency represents a compensatory mechanism rather than a pathophysiological marker per se...
  3. doi request reprint A direct relationship between oscillatory subthalamic nucleus-cortex coupling and rest tremor in Parkinson's disease
    Jan Hirschmann
    1 Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University Dusseldorf, Dusseldorf, Germany
    Brain 136:3659-70. 2013
    ..Furthermore, they suggest the feasibility of tremor detection based on local field potentials and might thus become relevant for the design of closed-loop stimulation systems. ..
  4. doi request reprint Lowered frequency and impaired modulation of gamma band oscillations in a bimodal attention task are associated with reduced critical flicker frequency
    Nina Kahlbrock
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Universitätsstraße 1, D 40225 Dusseldorf, Germany
    Neuroimage 61:216-27. 2012
    ....
  5. doi request reprint Hepatic encephalopathy is associated with slowed and delayed stimulus-associated somatosensory alpha activity
    Elisabeth S May
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Universitätsstraße 1, D 40225 Dusseldorf, Germany
    Clin Neurophysiol 125:2427-35. 2014
    ..Here, potential alterations of oscillatory activity in the somatosensory system were investigated...
  6. pmc Changes of cortico-muscular coherence: an early marker of healthy aging?
    Daniel Kamp
    Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, University Düsseldorf, Dusseldorf, Germany
    Age (Dordr) 35:49-58. 2013
    ..We argue that the M1 power amplitude increase and the shift towards lower frequencies might represent a neurophysiological marker of healthy aging which is possibly compensated by increased CMC amplitude...
  7. doi request reprint Pre- and post-stimulus alpha activity shows differential modulation with spatial attention during the processing of pain
    Elisabeth S May
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Universitatsstrasse 1, D 40225 Dusseldorf, Germany
    Neuroimage 62:1965-74. 2012
    ..We conclude that the assumed functional role of alpha activity as a top-down controlled gating mechanism includes pain processing and most likely represents a unified mechanism used throughout the brain...
  8. doi request reprint Sustained gamma band synchronization in early visual areas reflects the level of selective attention
    Nina Kahlbrock
    Heinrich Heine University Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Department of Neurology, Universitätsstraße 1, D 40225 Dusseldorf, Germany
    Neuroimage 59:673-81. 2012
    ..These gradual and long-lasting effects highlight the key role of gamma band synchronization in early visual areas for selective attention...
  9. doi request reprint Low visual cortex GABA levels in hepatic encephalopathy: links to blood ammonia, critical flicker frequency, and brain osmolytes
    Georg Oeltzschner
    Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University Dusseldorf, Universitatsstr 1, D 40225, Dusseldorf, Germany
    Metab Brain Dis 30:1429-38. 2015
    ..Correlations of visual GABA/Cr with CFF, blood ammonia, and osmolytic regulators mI and Gln indicate that decreased visual GABA levels might contribute to HE symptoms, most likely as a consequence of hyperammonemia...
  10. doi request reprint High frequency oscillations in the subthalamic nucleus: a neurophysiological marker of the motor state in Parkinson's disease
    Tolga Esat Ozkurt
    Institute of Clinical Neuroscience and Medical Psychology, Heinrich Heine University, Dusseldorf, Germany
    Exp Neurol 229:324-31. 2011
    ..004). These results indicate that a shift from slower to faster frequencies of the spectrum greater than 200 Hz represents a prokinetic neurophysiological marker underlying levodopa induced motor improvement in Parkinson's disease...
  11. ncbi request reprint Oscillatory coupling in writing and writer's cramp
    Markus Butz
    Department of Neurology, MEG Laboratory, Heinrich Heine University, Moorenstr 5, D 40225 Dusseldorf, Germany
    J Physiol Paris 99:14-20. 2006
    ..These results are consistent with the often described bilateral pathophysiology and impaired sensorimotor integration in writer's cramp patients...