A Schnitzler

Summary

Affiliation: Heinrich Heine University
Country: Germany

Publications

  1. ncbi request reprint Synchronised oscillations of the human sensorimotor cortex
    A Schnitzler
    Department of Neurology, Heinrich Heine University, Dusseldorf, Germany
    Acta Neurobiol Exp (Wars) 60:271-87. 2000
  2. doi request reprint Differential modulation of STN-cortical and cortico-muscular coherence by movement and levodopa in Parkinson's disease
    J Hirschmann
    Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University Dusseldorf, Dusseldorf, Germany
    Neuroimage 68:203-13. 2013
  3. doi request reprint Does increased gamma activity in patients suffering from Parkinson's disease counteract the movement inhibiting beta activity?
    E Florin
    Department of Neurology, University Hospital Cologne, Kerpener Strasse 62, 50937 Koln, Germany
    Neuroscience 237:42-50. 2013
  4. doi request reprint Motor impairment in liver cirrhosis without and with minimal hepatic encephalopathy
    M Butz
    Institute of Clinical Neuroscience and Medical Psychology, Heinrich Heine University, Dusseldorf, Germany
    Acta Neurol Scand 122:27-35. 2010
  5. doi request reprint Fluctuations in electrodermal activity reveal variations in single trial brain responses to painful laser stimuli--a fMRI/EEG study
    A Mobascher
    Department of Psychiatry, Neuropsychiatric Research Laboratory, Heinrich Heine University, Duesseldorf, Germany
    Neuroimage 44:1081-92. 2009
  6. ncbi request reprint Impaired cerebral oscillatory processing in hepatic encephalopathy
    L Timmermann
    Department of Neurology, University Hospital Cologne, Germany
    Clin Neurophysiol 119:265-72. 2008
  7. doi request reprint Source analysis of median nerve stimulated somatosensory evoked potentials and fields using simultaneously measured EEG and MEG signals
    K G Mideksa
    Department of Neurology, Christian Albrechts University, Kiel 24105, Germany
    Conf Proc IEEE Eng Med Biol Soc 2012:4903-6. 2012
  8. doi request reprint Distinct oscillatory STN-cortical loops revealed by simultaneous MEG and local field potential recordings in patients with Parkinson's disease
    J Hirschmann
    Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University Dusseldorf, Dusseldorf, Germany
    Neuroimage 55:1159-68. 2011
  9. ncbi request reprint Task-dependent oscillations during unimanual and bimanual movements in the human primary motor cortex and SMA studied with magnetoencephalography
    J Gross
    Department of Neurology, Heinrich Heine University, Duesseldorf, Germany
    Neuroimage 26:91-8. 2005
  10. ncbi request reprint Mini-asterixis in hepatic encephalopathy induced by pathologic thalamo-motor-cortical coupling
    L Timmermann
    Department of Neurology, Heinrich Heine University, Dusseldorf, Germany
    Neurology 61:689-92. 2003

Detail Information

Publications40

  1. ncbi request reprint Synchronised oscillations of the human sensorimotor cortex
    A Schnitzler
    Department of Neurology, Heinrich Heine University, Dusseldorf, Germany
    Acta Neurobiol Exp (Wars) 60:271-87. 2000
    ..Thus, investigation of oscillatory sensorimotor activity proceeds from phenomenology to function and provides an interesting approach to address questions in human motor physiology and pathophysiology...
  2. doi request reprint Differential modulation of STN-cortical and cortico-muscular coherence by movement and levodopa in Parkinson's disease
    J Hirschmann
    Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University Dusseldorf, Dusseldorf, Germany
    Neuroimage 68:203-13. 2013
    ..We conclude that they represent partly independent sub-loops within the motor system. Given their negative correlation with akinesia, neither can be considered "antikinetic"...
  3. doi request reprint Does increased gamma activity in patients suffering from Parkinson's disease counteract the movement inhibiting beta activity?
    E Florin
    Department of Neurology, University Hospital Cologne, Kerpener Strasse 62, 50937 Koln, Germany
    Neuroscience 237:42-50. 2013
    ..We hypothesise that in order to enable repetitive fist movement despite increased beta activity, "prokinetic" gamma activity may be increased as a compensatory mechanism...
  4. doi request reprint Motor impairment in liver cirrhosis without and with minimal hepatic encephalopathy
    M Butz
    Institute of Clinical Neuroscience and Medical Psychology, Heinrich Heine University, Dusseldorf, Germany
    Acta Neurol Scand 122:27-35. 2010
    ..Manifest hepatic encephalopathy (HE) goes along with motor symptoms such as ataxia, mini-asterixis, and asterixis. The relevance of motor impairments in cirrhotics without and with minimal HE (mHE) is still a matter of debate...
  5. doi request reprint Fluctuations in electrodermal activity reveal variations in single trial brain responses to painful laser stimuli--a fMRI/EEG study
    A Mobascher
    Department of Psychiatry, Neuropsychiatric Research Laboratory, Heinrich Heine University, Duesseldorf, Germany
    Neuroimage 44:1081-92. 2009
    ..Thus, EDA is a useful additional, objective index when pain is studied with fMRI/EEG which might be of particular relevance in the context of genetic- and pharmacoimaging...
  6. ncbi request reprint Impaired cerebral oscillatory processing in hepatic encephalopathy
    L Timmermann
    Department of Neurology, University Hospital Cologne, Germany
    Clin Neurophysiol 119:265-72. 2008
    ..The present study tested the hypothesis that worsening of motor and sensory symptoms of HE results from a common basic deficit in the cerebral oscillatory processing within the human motor and visual system...
  7. doi request reprint Source analysis of median nerve stimulated somatosensory evoked potentials and fields using simultaneously measured EEG and MEG signals
    K G Mideksa
    Department of Neurology, Christian Albrechts University, Kiel 24105, Germany
    Conf Proc IEEE Eng Med Biol Soc 2012:4903-6. 2012
    ..For CDR analysis, it looks like MEG affects EEG during the combined analyses. The MUSIC algorithm gives better results than CDR, and when comparing the two head models, the averaged and the realistic head models showed the same result...
  8. doi request reprint Distinct oscillatory STN-cortical loops revealed by simultaneous MEG and local field potential recordings in patients with Parkinson's disease
    J Hirschmann
    Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University Dusseldorf, Dusseldorf, Germany
    Neuroimage 55:1159-68. 2011
    ..Furthermore, they demonstrate that simultaneous MEG-LFP recordings are a powerful tool to study interactions between brain areas in PD patients undergoing surgery for DBS...
  9. ncbi request reprint Task-dependent oscillations during unimanual and bimanual movements in the human primary motor cortex and SMA studied with magnetoencephalography
    J Gross
    Department of Neurology, Heinrich Heine University, Duesseldorf, Germany
    Neuroimage 26:91-8. 2005
    ..In summary, our results indicate a differential functional role of oscillatory activity and coupling in the motor system...
  10. ncbi request reprint Mini-asterixis in hepatic encephalopathy induced by pathologic thalamo-motor-cortical coupling
    L Timmermann
    Department of Neurology, Heinrich Heine University, Dusseldorf, Germany
    Neurology 61:689-92. 2003
    ..HE patients showed thalamo-motor-cortical coupling at a significantly lower frequency than the coupling in control subjects. The pathologic motor cortical drive in HE probably results from altered thalamocortical oscillatory coupling...
  11. pmc Dynamic imaging of coherent sources: Studying neural interactions in the human brain
    J Gross
    Department of Neurology, Heinrich-Heine-University, Moorenstrasse 5, D-40225 Duesseldorf, Germany
    Proc Natl Acad Sci U S A 98:694-9. 2001
    ....
  12. pmc Motor-cortical oscillations in early stages of Parkinson's disease
    B Pollok
    University of Dusseldorf, Medical Faculty, Institute of Clinical Neuroscience and Medical Psychology, Department of Neurology, Dusseldorf, Germany
    J Physiol 590:3203-12. 2012
    ..The present results suggest that the reduced ability of the primary motor cortex to disengage from increased beta band oscillations during the execution of movements is an early marker of PD...
  13. ncbi request reprint Magneto-encephalographic correlates of the lateralized readiness potential
    P Praamstra
    Department of Neurology, Heinrich Heine Universitat, Dusseldorf, Germany
    Brain Res Cogn Brain Res 8:77-85. 1999
    ..MEG thus provides information on the time course of hand-specific motor cortex activation for each hemisphere separately, where the electro-encephalographic LRP provides a composite measure for both hemispheres...
  14. ncbi request reprint Different cortical organization of visceral and somatic sensation in humans
    A Schnitzler
    Department of Neurology, Heinrich Heine University, Dusseldorf, Germany
    Eur J Neurosci 11:305-15. 1999
    ..We propose that this cortical projection pattern forms the neurophysiological basis of the low temporal and spatial resolution of conscious visceral sensation...
  15. ncbi request reprint Neuromagnetic correlates of sensorimotor synchronization
    K Muller
    Heinrich Heine University, Dusseldorf, Germany
    J Cogn Neurosci 12:546-55. 2000
    ..This suggests that subjects use mainly sensory feedback in judging and evaluating whether they are "keeping time."..
  16. ncbi request reprint Involvement of the motor cortex in pseudochoreoathetosis
    L Timmermann
    Department of Neurology, Heinrich-Heine University, Duesseldorf, Germany
    Mov Disord 16:876-81. 2001
    ..The enhanced MEG-EMG coherence in pseudochoreoathetosis probably reflects a pathologically strong motor cortical drive of spinal motorneurons after deafferentation...
  17. doi request reprint Effects of 10 Hz and 20 Hz transcranial alternating current stimulation (tACS) on motor functions and motor cortical excitability
    C Wach
    Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University, Universitaetsstr 1, 40225 Duesseldorf, Germany
    Behav Brain Res 241:1-6. 2013
    ..The present findings suggest differential effects of stimulation frequency on motor behaviour and M1 excitability...
  18. ncbi request reprint Neurophysiology and functional neuroanatomy of pain perception
    A Schnitzler
    Department of Neurology, Heinrich Heine University, Dusseldorf, Germany
    J Clin Neurophysiol 17:592-603. 2000
    ..The authors review the evidence on which the proposed relationship between cortical areas, pain-related neural activations, and components of pain perception is based...
  19. doi request reprint Subtype-specific statistical causalities in parkinsonian tremor
    E Florin
    Department of Neurology, University Hospital Cologne, Kerpener Strasse 62, 50937 Koln, Germany
    Neuroscience 210:353-62. 2012
    ..Therefore, we hypothesize different pathophysiological mechanisms to underlie the generation of tremor in the two subtypes of Parkinson's disease...
  20. ncbi request reprint Properties of MEG tomographic maps obtained with spatial filtering
    J Gross
    Department of Neurology, Heinrich Heine University, Moorenstrasse 5, D 40225 Duesseldorf, Germany
    Neuroimage 19:1329-36. 2003
    ..It is important for assigning local maxima of activation to specific anatomical structures and may be used to test for differences in localization between different experimental conditions...
  21. ncbi request reprint Differential coding of pain intensity in the human primary and secondary somatosensory cortex
    L Timmermann
    Department of Neurology, Heinrich-Heine-University, Moorenstrasse 5, 40225 Dusseldorf, Germany
    J Neurophysiol 86:1499-503. 2001
    ..Instead, SII may subserve recognition of the noxious nature and attention toward painful stimuli...
  22. doi request reprint Laser-evoked potential P2 single-trial amplitudes covary with the fMRI BOLD response in the medial pain system and interconnected subcortical structures
    A Mobascher
    Department of Psychiatry, Heinrich Heine University, Duesseldorf, Germany
    Neuroimage 45:917-26. 2009
    ..Furthermore, our findings suggest a concerted effort of the ACC and the amygdala in the cognitive-emotional evaluation of pain...
  23. pmc The neural basis of intermittent motor control in humans
    J Gross
    Department of Neurology, Heinrich Heine University, D 40225 Duesseldorf, Germany
    Proc Natl Acad Sci U S A 99:2299-302. 2002
    ..Our findings suggest that coupling of 6- to 9-Hz oscillatory activity in the cerebello-thalamo-cortical loop represents the neural mechanism for the intermittent control of continuous movements...
  24. doi request reprint [Early deep brain stimulation for Parkinson's disease]
    A Schnitzler
    Zentrum für Bewegungsstörungen und Neuromodulation der Neurologischen Klinik, Institut für Klinische Neurowissenschaften und Medizinische Psychologie, Universitätsklinikum der Heinrich Heine Universität Düsseldorf, Dusseldorf
    Fortschr Neurol Psychiatr 78:S37-40. 2010
    ....
  25. ncbi request reprint Tactile information from the human hand reaches the ipsilateral primary somatosensory cortex
    A Schnitzler
    Low Temperature Laboratory, Helsinki University of Technology, Espoo, Finland
    Neurosci Lett 200:25-8. 1995
    ..This interhemispheric information transfer may represent a neurophysiological substrate of somatosensory fusion between the hands...
  26. ncbi request reprint Enlargement of a chronic aseptic lumbar epidural abscess by intraspinal injections--a rare cause of progressive paraparesis
    M Sabel
    Department of Neurosurgery, Heinrich Heine University, Dusseldorf
    Zentralbl Neurochir 61:111-4. 2000
    ..Though we present a very rare cause of such complications, a careful monitoring of the neurological status of the patient is necessary as well as the early application of MR imaging in the case of deterioration...
  27. ncbi request reprint Pathological oscillatory coupling within the human motor system in different tremor syndromes as revealed by magnetoencephalography
    L Timmermann
    Department of Neurology and Gastroenterology, University Hospital Dusseldorf, Germany
    Neurol Clin Neurophysiol 2004:26. 2004
    ..However, the present study shows different mechanisms of tremor generation in PD and HE patients...
  28. ncbi request reprint [Cortical representation of pain]
    M Ploner
    Neurologische Klinik, Heinrich Heine Universitat, Dusseldorf
    Nervenarzt 75:962-9. 2004
    ..Furthermore, first pain appears to be particularly related to activation of S1 whereas second pain is closely related to ACC activation...
  29. ncbi request reprint Motor impairment in patients with parietal lesions: disturbances of meaningless arm movement sequences
    P H Weiss
    Department of Neurology, Heinrich Heine University, Dusseldorf, Germany
    Neuropsychologia 39:397-405. 2001
    ..These results demonstrate that lesions in the left parietal lobe lead to a disturbed spatio-temporal organisation of movement that becomes increasingly prominent for more complex movements...
  30. ncbi request reprint Local Lyapunov exponents detect epileptic zones in spike-less interictal MEG recordings
    Z J Kowalik
    Department of Neurology, Heinrich Heine University Dusseldorf, Moorenstrasse 5, D 40225, Dusseldorf, Germany
    Clin Neurophysiol 112:60-7. 2001
    ..We explored whether such a multistability is reflected also in the dynamical characteristics of the interictal signal...
  31. ncbi request reprint Transcallosally mediated inhibition of interneurons within human primary motor cortex
    A Schnitzler
    Department of Neurology, Heinrich Heine University, Duesseldorf, Germany
    Exp Brain Res 112:381-91. 1996
    ....
  32. ncbi request reprint Early-onset multisystem degeneration with central motor, autonomic and optic nerve disturbances: unusual Riley-Day syndrome or new clinical entity?
    A Schnitzler
    Department of Neurology, Heinrich Heine University, Duesseldorf, Germany
    J Neurol Sci 154:205-8. 1998
    ..We consider this syndrome a slowly progressive multisystemic degeneration with two unusual hitherto unreported features: the combination of affected systems (autonomic and motor systems, optic nerves), and the early onset...
  33. ncbi request reprint Cortical origin of mini-asterixis in hepatic encephalopathy
    L Timmermann
    Department of Neurology, Heinrich Heine University, Dusseldorf, Germany
    Neurology 58:295-8. 2002
    ..The corticomuscular coupling demonstrates the involvement of M1 in asterixis and may reflect a pathologically slowed and synchronized motor cortical drive...
  34. ncbi request reprint Use-dependent cortical plasticity in thalidomide-induced upper extremity dysplasia: evidence from somaesthesia and neuroimaging
    M C Stoeckel
    Department of Neurology, University Hospital Dusseldorf, Dusseldorf, Germany
    Exp Brain Res 156:333-41. 2004
    ....
  35. pmc Deep brain stimulation in Parkinson's disease
    S J Groiss
    Department of Neurology, Center for Movement Disorders and Neuromodulation, Heinrich Heine University of Dusseldorf, Germany, Institute of Clinical Neuroscience and Medical Psychology, Heinrich Heine University of Dusseldorf, Germany
    Ther Adv Neurol Disord 2:20-8. 2009
    ..It is presently investigated whether the optimal timing for implantation may be at an earlier disease-stage to prevent psychosocial decline and to maintain quality of life for a longer period of time...
  36. ncbi request reprint Observation of a finger or an object movement primes imitative responses differentially
    M Jonas
    Department of Neurology, University Medical Center Hamburg Eppendorf, Martinistr 52, 20246, Hamburg, Germany
    Exp Brain Res 177:255-65. 2007
    ..Thus, S1 immediately elicits an imitative response tendency. As an overt imitation of S1 is inadequate in the present setting, the response is inhibited which, in turn, modulates congruency effects...
  37. ncbi request reprint [Psychobehavioural assessment for chronic low back pain]
    F Genet
    Service de Medecine Physique et de Readaptation, groupe hospitalier Raymond Poincaré, hôpital maritime de Berck, 104 boulevard Raymond Poincaré, 92380 Garches, France
    Ann Readapt Med Phys 49:226-33. 2006
    ..Psychobehavioural assessment may be a complementary approach to assess response to treatment for pain and disability in patients with low back pain...
  38. ncbi request reprint Do simple intransitive finger movements consistently activate frontoparietal mirror neuron areas in humans?
    M Jonas
    NeuroImage Nord, Hamburg Kiel Lübeck, Germany
    Neuroimage 36:T44-53. 2007
    ..We propose that the responsiveness of human frontoparietal mirror neuron areas to simple intransitive movements critically depends on the experimental context...
  39. doi request reprint Bilateral subthalamic stimulation in Parkin and PINK1 parkinsonism
    E Moro
    Movement Disorder Centre, Toronto Western Hospital, University of Toronto, Ontario, Canada
    Neurology 70:1186-91. 2008
    ....
  40. ncbi request reprint Multicenter study on deep brain stimulation in Parkinson's disease: an independent assessment of reported adverse events at 4 years
    Marwan I Hariz
    Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, Queen Square, London, United Kingdom
    Mov Disord 23:416-21. 2008
    ..When comparing patients who exhibited AEs with those who did not, it was found that in the STN DBS group, the patients with AEs had a longer disease duration, as well as more gait disorders and psychiatric disturbances at baseline...