U Ziemann

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. ncbi request reprint Modulation of practice-dependent plasticity in human motor cortex
    U Ziemann
    Clinic of Neurology, J W Goethe University, Schleusenweg 2 16, D 60590 Frankfurt am Main, Germany
    Brain 124:1171-81. 2001
  2. ncbi request reprint Changes in human motor cortex excitability induced by dopaminergic and anti-dopaminergic drugs
    U Ziemann
    Department of Clinical Neurophysiology, University of Gottingen, Germany
    Electroencephalogr Clin Neurophysiol 105:430-7. 1997
  3. pmc Dissociation of the pathways mediating ipsilateral and contralateral motor-evoked potentials in human hand and arm muscles
    U Ziemann
    Human Motor Control Section, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD 20892, USA
    J Physiol 518:895-906. 1999
  4. pmc Demonstration of facilitatory I wave interaction in the human motor cortex by paired transcranial magnetic stimulation
    U Ziemann
    Department of Clinical Neurophysiology, University of Gottingen, Human Motor Control Section, National Institutes of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
    J Physiol 511:181-90. 1998
  5. ncbi request reprint Pharmacological control of facilitatory I-wave interaction in the human motor cortex. A paired transcranial magnetic stimulation study
    U Ziemann
    Department of Clinical Neurophysiology, University of Gottingen, Germany
    Electroencephalogr Clin Neurophysiol 109:321-30. 1998
  6. ncbi request reprint Complete suppression of voluntary motor drive during the silent period after transcranial magnetic stimulation
    F Tergau
    Department of Clinical Neurophysiology, University of Gottingen, Germany
    Exp Brain Res 124:447-54. 1999
  7. ncbi request reprint Cortical correlates of neuromotor development in healthy children
    M A Garvey
    Pediatric Movement Disorders Unit, Human Motor Control Section, Motor Neurology Branch, NINDS, National Institutes of Health, 10 Center Drive, 5N226, MSC 1428, Bethesda, MD 20982 1428, USA
    Clin Neurophysiol 114:1662-70. 2003
  8. ncbi request reprint Role of the human motor cortex in rapid motor learning
    W Muellbacher
    Medical Neurology Branch, National Institutes of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892-1428, USA
    Exp Brain Res 136:431-8. 2001
  9. ncbi request reprint Analogous corticocortical inhibition and facilitation in ipsilateral and contralateral human motor cortex representations of the tongue
    W Muellbacher
    Human Motor Control Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892-1428, USA
    J Clin Neurophysiol 18:550-8. 2001
  10. ncbi request reprint Hemispheric asymmetry of ipsilateral motor cortex activation during unimanual motor tasks: further evidence for motor dominance
    U Ziemann
    Clinic of Neurology, J W Goethe University, Theodor Stern Kai 7, D 60590, Frankfurt am Main, Germany
    Clin Neurophysiol 112:107-13. 2001

Collaborators

Detail Information

Publications27

  1. ncbi request reprint Modulation of practice-dependent plasticity in human motor cortex
    U Ziemann
    Clinic of Neurology, J W Goethe University, Schleusenweg 2 16, D 60590 Frankfurt am Main, Germany
    Brain 124:1171-81. 2001
    ..We propose that changes in GABA activity may be instrumented to modulate plasticity purposefully; for instance, to enhance plastic change and recovery of function after a lesion in neurological patients...
  2. ncbi request reprint Changes in human motor cortex excitability induced by dopaminergic and anti-dopaminergic drugs
    U Ziemann
    Department of Clinical Neurophysiology, University of Gottingen, Germany
    Electroencephalogr Clin Neurophysiol 105:430-7. 1997
    ..The relation of the present findings to current models of motor excitability abnormalities in movement disorders will be discussed...
  3. pmc Dissociation of the pathways mediating ipsilateral and contralateral motor-evoked potentials in human hand and arm muscles
    U Ziemann
    Human Motor Control Section, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD 20892, USA
    J Physiol 518:895-906. 1999
    ..Other pathways, such as branching of corticomotoneuronal axons, a transcallosal projection or a slow-conducting monosynaptic ipsilateral pathway are very unlikely or can be excluded...
  4. pmc Demonstration of facilitatory I wave interaction in the human motor cortex by paired transcranial magnetic stimulation
    U Ziemann
    Department of Clinical Neurophysiology, University of Gottingen, Human Motor Control Section, National Institutes of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
    J Physiol 511:181-90. 1998
    ..5. It is concluded that the MEP facilitation after paired TMS, at least for the first MEP peak, is due to facilitatory interaction between I waves, and takes place in the motor cortex at or upstream from the corticospinal neurone...
  5. ncbi request reprint Pharmacological control of facilitatory I-wave interaction in the human motor cortex. A paired transcranial magnetic stimulation study
    U Ziemann
    Department of Clinical Neurophysiology, University of Gottingen, Germany
    Electroencephalogr Clin Neurophysiol 109:321-30. 1998
    ..The potential relevance of this non-invasive paired TMS protocol for the investigation of I-waves in patients with neurological disease will be discussed...
  6. ncbi request reprint Complete suppression of voluntary motor drive during the silent period after transcranial magnetic stimulation
    F Tergau
    Department of Clinical Neurophysiology, University of Gottingen, Germany
    Exp Brain Res 124:447-54. 1999
    ..It is argued that the pathway of fast cortico-spinal fibers activated by TMS is partially different from the pathway involved in the maintenance of tonic voluntary muscle activation...
  7. ncbi request reprint Cortical correlates of neuromotor development in healthy children
    M A Garvey
    Pediatric Movement Disorders Unit, Human Motor Control Section, Motor Neurology Branch, NINDS, National Institutes of Health, 10 Center Drive, 5N226, MSC 1428, Bethesda, MD 20982 1428, USA
    Clin Neurophysiol 114:1662-70. 2003
    ..To examine the relationship between acquisition of fine motor skills in childhood and development of the motor cortex...
  8. ncbi request reprint Role of the human motor cortex in rapid motor learning
    W Muellbacher
    Medical Neurology Branch, National Institutes of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892-1428, USA
    Exp Brain Res 136:431-8. 2001
    ..Since the changes in MEP amplitude were observed only after TMS of M1 but not after direct stimulation of the corticospinal tract, these findings indicate task- and effector-specific involvement of human M1 in rapid motor learning...
  9. ncbi request reprint Analogous corticocortical inhibition and facilitation in ipsilateral and contralateral human motor cortex representations of the tongue
    W Muellbacher
    Human Motor Control Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892-1428, USA
    J Clin Neurophysiol 18:550-8. 2001
    ..0001). These findings indicate that the ipsilateral and contralateral representations of the tongue are under analogous inhibitory and facilitatory control, possibly by a common intracortical network...
  10. ncbi request reprint Hemispheric asymmetry of ipsilateral motor cortex activation during unimanual motor tasks: further evidence for motor dominance
    U Ziemann
    Clinic of Neurology, J W Goethe University, Theodor Stern Kai 7, D 60590, Frankfurt am Main, Germany
    Clin Neurophysiol 112:107-13. 2001
    ..To test to which extent the increase in ipsilateral motor cortex excitability during unimanual motor tasks shows hemispheric asymmetry...
  11. ncbi request reprint Delay in simple reaction time after focal transcranial magnetic stimulation of the human brain occurs at the final motor output stage
    U Ziemann
    Department of Clinical Neurophysiology, Georg August University of Gttingen, Germany
    Brain Res 744:32-40. 1997
    ....
  12. ncbi request reprint New graphical method to measure silent periods evoked by transcranial magnetic stimulation
    M A Garvey
    Pediatric Movement Disorders Unit, Pediatrics and Developmental Neuropsychiatry Branch, NIMH, National Institutes of Health, 10 Center Drive, 4N208, MSC 1255, Bethesda, MD 20892 1255, USA
    Clin Neurophysiol 112:1451-60. 2001
    ..We describe a graphical method to measure silent periods with greater precision. The statistical process underlying this new method is simple and particularly suited to signal detection in serially dependent data...
  13. ncbi request reprint Crossed reduction of human motor cortex excitability by 1-Hz transcranial magnetic stimulation
    E M Wassermann
    Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD 20892 1428, USA
    Neurosci Lett 250:141-4. 1998
    ..This demonstrates that rTMS can condition cortical excitability at a distance of one or more synapses and suggest that decreased excitability to TMS is a correlate of decreased blood flow and metabolism...
  14. ncbi request reprint Mechanisms underlying human motor system plasticity
    B Boroojerdi
    Human Cortical Physiology Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Building 10, Room 5N 234, 10 Center Drive, MSC 1428, Bethesda, Maryland 20892-1428, USA
    Muscle Nerve 24:602-13. 2001
    ..In this review, we describe paradigms used to study mechanisms of plasticity in the intact human motor system, the functional relevance of such plasticity, and possible ways to modulate it...
  15. ncbi request reprint Transient visual field defects induced by transcranial magnetic stimulation over human occipital pole
    S Kastner
    Department of Psychiatry, University of Gottingen, Germany
    Exp Brain Res 118:19-26. 1998
    ....
  16. ncbi request reprint Role of the right dorsal premotor cortex in "physiological" mirror EMG activity
    F Giovannelli
    Unita Operativa di Neurologia, Azienda Sanitaria di Firenze, Ospedale S Maria Nuova, Florence, Italy
    Exp Brain Res 175:633-40. 2006
    ..These findings strongly support the hypothesis that the right dPMC is part of the non-mirror transformation cortical network...
  17. ncbi request reprint Extensive training of elementary finger tapping movements changes the pattern of motor cortex excitability
    S Koeneke
    Division Neuropsychology, Institute of Psychology, University of Zurich, Treichlerstrasse 10, 8032, Zurich, Switzerland
    Exp Brain Res 174:199-209. 2006
    ..The involvement of the ipsilateral left M1 likely reflects the predominant role of the left M1 in the general control (modification) of simple motor parameters in right-handed subjects...
  18. ncbi request reprint Physiology of modulation of motor cortex excitability by low-frequency suprathreshold repetitive transcranial magnetic stimulation
    G Heide
    Department of Neurology, Friedrich Schiller University, Erlanger Allee 101, 07740 Jena, Germany
    Exp Brain Res 171:26-34. 2006
    ..Modulation of motor cortical inhibition did not play a role in explaining the rTMS induced changes in MEP amplitude...
  19. ncbi request reprint Physical interactions between induced electrical fields can have substantial effects on neuronal excitation during simultaneous TMS of two brain areas
    M Cincotta
    Unita Operativa di Neurologia, Azienda Sanitaria di Firenze, Ospedale S Maria Nuova, Piazza S Maria Nuova, 1, 50122 Firenze, Italy
    Clin Neurophysiol 116:1733-42. 2005
    ..To analyse the interactions between simultaneous or nearly simultaneous focal transcranial magnetic stimulation (TMS) of the motor cortex hand area (M1hand) of both hemispheres...
  20. ncbi request reprint Motor control in mirror movements: studies with transcranial magnetic stimulation
    M Cincotta
    U O di Neurologia, Azienda Sanitaria di Firenze, Ospedale S Maria Nuova, Piazza S Maria Nuova 1, 50122 Florence, Italy
    Suppl Clin Neurophysiol 56:175-80. 2003
  21. ncbi request reprint Slowing fastest finger movements of the dominant hand with low-frequency rTMS of the hand area of the primary motor cortex
    L Jancke
    Department of Neuropsychology, Institute of Psychology, University of Zurich, Treichlerstr 10, 8032 Zurich, Switzerland
    Exp Brain Res 155:196-203. 2004
    ..There were no other effects of rTMS on tapping speed or tapping variability. Findings indicate that M1 is essential for generating fastest finger movements...
  22. ncbi request reprint Congenital hemiparesis: different functional reorganization of somatosensory and motor pathways
    A Ragazzoni
    Unit of Neurology, Santa Maria Nuova Hospital, Piazza S Maria Nuova, 1, Florence, Italy
    Clin Neurophysiol 113:1273-8. 2002
    ..To investigate the reorganization of somatosensory and motor cortex in congenital brain injury...
  23. ncbi request reprint Bilateral motor cortex output with intended unimanual contraction in congenital mirror movements
    M Cincotta
    Unit of Neurology, Santa Maria Nuova Hospital, Florence, Italy
    Neurology 58:1290-3. 2002
    ..Thus, it is likely that the shortened CSP after unilateral TMS is caused by output from the nonstimulated M1, suggesting that both M1 produce output with intended unimanual movements in patients with MM...
  24. ncbi request reprint TMS-assisted neurophysiological profiling of the dopamine receptor agonist cabergoline in human motor cortex
    A Korchounov
    Motor Cortex Laboratory, Department of Neurology, Johann Wolfgang Goethe University of Frankfurt, Frankfurt am Main, Germany
    J Neural Transm 114:223-9. 2007
    ..This shift in the balance from excitation to inhibition may assist, by improving the 'signal-to-noise ratio' in motor cortex, in the positive modulating effect of cabergoline on practice-dependent plasticity...
  25. ncbi request reprint Segregating two inhibitory circuits in human motor cortex at the level of GABAA receptor subtypes: a TMS study
    V Di Lazzaro
    Institute of Neurology, Universita Cattolica, L go A Gemelli 8, 00168 Rome, Italy
    Clin Neurophysiol 118:2207-14. 2007
    ..To investigate if different interneuronal circuits in human motor cortex mediate inhibition through different subtypes of the gamma-aminobutyric acid A receptor (GABAAR)...
  26. doi request reprint Neurophysiology of unimanual motor control and mirror movements
    M Cincotta
    Unita Operativa di Neurologia, Azienda Sanitaria di Firenze, Ospedale Piero Palagi, Viale Michelangiolo, 41, 50125 Firenze, Italy
    Clin Neurophysiol 119:744-62. 2008
    ....
  27. doi request reprint Multimodal evoked potentials measure and predict disability progression in early relapsing-remitting multiple sclerosis
    P Jung
    Department of Neurology, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
    Mult Scler 14:553-6. 2008
    ..39, p < 0.02). The data suggest that serial mEPS measure and moderately predict clinically relevant disease activity in the therapeutically most relevant early stage of RRMS...