Dr. Norbert  Kovacs

Dr. Norbert Kovacs

Associate Professor
University of Pecs, Hungary


Highest Degree
Ph.D. in Neurology from University of Pecs, Hungary

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Area of Interest:

Biomedical Sciences
100%
Deep Brain Stimulation
62%
Movement Disorders
90%
Clinical Electrophysiology
75%
Neuroimaging
55%

Selected Publications

  1. Perlaki, G., R. Horvath, G. Orsi, M. Aradi and T. Auer et al., 2013. White-matter microstructure and language lateralization in left-handers: A whole-brain MRI analysis. Brain Cognit., 82: 319-328.
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  2. Nemeth, A., L. Hejjel, Z. Ajtay, L. Kellenyi and A. Solymos et al., 2013. The assessment of neural injury following open heart surgery by physiological tremor analysis. Arch. Med. Sci., 9: 40-46.
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  3. Nagy, H., A. Takats, P. Klivenyi and N. Kovacs, 2013. Clinical experience with continuous intestinal dopaminergic therapy: A perspective from Hungary. J. Neurol. Sci. .

  4. Kovacs, N., G. Deli, E. Bosnyak, I. Balas, S. Komoly and J. Janszky, 2013. Comparison of double monopolar and interleaving stimulation modes in the treatment of primary generalized and segmental dystonia. Proceedings of the 17th International Congress of Parkinson's Disease and Movement Disorders, Volume 28, June 16-20, 2013, Sydney, Australia -.

  5. Kovacs, N., E. Pal, F. Nagy, P. Acs, E. Bosnyak and B. Faludi, 2013. Parkinson's disease sleep scale-2 is more specific for PD than the Epworth sleep scale. Proceedings of the 17th International Congress of Parkinson's Disease and Movement Disorders, Volume 28, June 16-20, 2013, Sydney, Australia -.

  6. Kovacs, N., E. Bosnyak, M. Herceg, E. Pal and Z. Aschermann et al., 2013. Are branded and generic extended-release ropinirole formulations equally efficacious? A rater-blinded, cross-over, multicenter study. J. Neurol. Sci., 333: e143-e144.
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  7. Kalmar, Z., N. Kovacs, I. Balas, G. Perlaki and E. Plozer et al., 2013. Effects of spinal cord stimulation on heart rate variability in patients with chronic pain. Clin. Neurosci., 66: 102-106.
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  8. Bosnyak, E., M. Herceg, E. Pal, Z. Aschermann and J. Janszky et al., 2013. Are branded and generic extended-release ropinirole formulations equally efficacious? A rater-blinded, switch-over, multicenter study. Proceedings of the 17th International Congress of Parkinson's Disease and Movement Disorders, Volume 28, June 16-20, 2013, Sydney, Australia -.

  9. Balas, I., G. Deli, Z. Aschermann and N. Kovacs, 2013. Globus palidus stimulation for primary and secondary dystonia: Effects on health-related quality of life and symptom severity, a single center study of 44 cases. Br. J. Neurosurg., 23: 272-306.

  10. Aradi, M., A. Schwarcz, G. Perlaki, G. Orsi and N. Kovacs et al., 2013. Quantitative MRI studies of chronic brain white matter hyperintensities in migraine patients. Headache, 53: 752-763.
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  11. Kuperczko, D., Z. Clemens, G. Perlaki, G. Orsi and Z. Kalmar et al., 2012. Sleeping habits and brain structure: The volume of the hippocampus is smaller in owls than larks. Eur. J. Neurol., Vol. 19. .

  12. Kovacs, N., J. Janszky, F. Nagy and I. Balas, 2012. Changing to interleaving mode might improve dystonia in cases non-responding to pallidal stimulation. Mov. Disord., 27: 163-165.

  13. Kovacs, N., I. Hernadi, G. Deli, E. Bosnyak, F. Nagy, J. Janszky and I. Balas, 2012. The way how various cognitive tasks impair the activity of subthalamic nuclei and upper limb tremor. Eur. J. Neurol., 19: 215-234.
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  14. Kovacs, N., I. Hernadi, G. Deli, E. Bosnyak, F. Nagy, I. Balas and J. Janszky, 2012. The impact of various cognitive tasks on the activity of subthalamic nuclei and upper limb tremor. Proceedings of the 16th International Congress of Parkinson's Disease and Movement Disorders, Volume 27, June 17-21, 2012, Dublin, Ireland. -.

  15. Kovacs, N., E. Gasparics, E. Bosnyak, F. Nagy, J. Janszky, I. Balas and G. Deli, 2012. The impact of microelectrode recording on selecting the most optimal trajectories for electrode implantation. Eur. J. Neurol., Vol. 19. .

  16. Kovacs, N., E. Gasparics, E. Bosnyak, F. Nagy and J. Janszky et al., 2012. Selecting the most optimal trajectories for deep brain stimulation based on microelectrode recording signals. Mov. Disord., 27: S162-S163.

  17. Kovacs, N., B. Bone, G. Deli, E. Bosnyak, F. Nagy, J. Janszky and S. Komoly, 2012. Health-Related quality of life in primary and secondary dystonia after pallidal deep brain stimulation. Proceedings of the 16th International Congress of Parkinson's Disease and Movement Disorders, Volume 27, June 17-21, 2012, Dublin, Ireland. -.

  18. Kovacs, N., B. Bone, G. Deli, E. Bosnyak and F. Nagy et al., 2012. Health-Related quality of life after pallidal deep brain stimulation in primary and secondary dystonia. Eur. J. Neurol., Vol. 19. .

  19. Kaszas, B., N. Kovacs, I. Balas, J. Kallai and Z. Aschermann et al., 2012. Sensitivity and specificity of addenbrooke's cognitive examination, mattis dementia rating scale, frontal assessment battery and mini mental state examination for diagnosing dementia in parkinson's disease. Parkinsonism Relat. Disord., 18: 553-556.
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  20. Herceg, M., F. Nagy, E. Pal, J. Janszky, I. Kesmarky, S. Komoly and N. Kovacs, 2012. Pramipexole may be an effective treatment option in essential tremor. Clin. Neuropharmacol., 35: 73-76.
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  21. Gabriella, D., B. Istvan, K. Samuel, D. Tamas and J. Jozsef et al., 2012. Disztonia kezelese mely agyi stimulacioval: 40 eset tapasztalatainak osszefoglalasa. Clin. Neurosci., 65: 249-260.

  22. Fasano, A., L. Ricciardi, A.R. Bentivoglio, C. Canavese and G. Zorzi et al., 2012. Status dystonicus: Predictors of outcome and progression patterns of underlying disease. Mov. Disord., 27: 783-788.
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  23. Bone, B., A. Fogarasi, R. Schulz, C. Gyimesi, Z. Kalmar, N. Kovacs, A. Ebner and J. Janszky, 2012. Secondarily generalized seizures in temporal lobe epilepsy. Epilepsia, 53: 817-824.
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  24. Perlaki, G., G. Orsi, N. Kovacs, A. Schwarcz and Z. Pap et al., 2011. Coffee consumption may influence hippocampal volume in young women. Brain Imaging Behav., 5: 274-284.
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  25. Orsi, G., G. Perlaki, N. Kovacs, M. Aradi and Z. Papp et al., 2011. Body weight and the reward system: The volume of the right amygdala may be associated with body mass index in young overweight men. Brain Imaging Behav., 5: 149-157.
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  26. Kovacs, N., J. Janszky, G. Dibo, F. Nagy and S. Komoly, 2011. Biperiden may improve segmental and generalised dystonia. J. Neurol., 258: 37-38.

  27. Kovacs, N., J. Janszky, F. Nagy, Z. Aschermann and E. Pal, 2011. High-frequency repetitive transcranial magnetic stimulation of the motor cortex does not improve motor symptoms in Parkinson's disease: A randomised, double-blind, placebo-controlled study. J. Neurol., 258: 51-52.

  28. Kovacs, N., J. Janszky and F. Nagy, 2011. Effects of high-dose ropinirole on sexual function in Parkinson's disease. Movement Disorders 26: S261-S262.

  29. Kovacs, N., J. Janszky and F. Nagy, 2011. Effects of high-dose ropinirol on sexual functions in Parkinson's disease. J. Neurol., 258: 52-53.

  30. Kovacs, N., J. Janszky and F. Nagy, 2011. Cost effectiveness of rasagiline and pramipexole as treatment strategies in early Parkinson's disease in the UK setting. Drugs Aging, 28: 161-162.
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  31. Kovacs, N., I. Balas, J. Janszky, M. Simon, S. Fekete and S. Komoly, 2011. Status dystonicus in tardive dystonia successfully treated by bilateral deep brain stimulation. Clin. Neurol. Neurosurgery, 113: 808-809.
    CrossRef  |  PubMed  |  

  32. Kovacs, N., F. Nagy, Z. Aschermann, J. Janszky and E. Pal, 2011. Biperiden for segmental and generalized dystonia: An open-label study. Movement Disorders, 26: S216-S217.

  33. Kovacs, N., F. Nagy, Z. Aschermann and E. Pal, 2011. High frequency repetitive transcranial magnetic stimulation of the motor cortex in Parkinson's disease: A randomized, doubleblind, placebo-controlled study. Movement Disorders, 26: S132-S133.

  34. Kovacs, N., B. Kaszas, I. Balas, Z. Aschermann, Z. Kerekes, F. Nagy, S. Komoly and K. Karadi, 2011. Addenbrooke's cognitive examination, mattis dementia rating scale and frontal assessment battery for diagnosing dementia in Parkinson's disease. J. Neurol., 258: 186-187.

  35. Kalmar, Z., N. Kovacs, G. Perlaki, F. Nagy and Z. Aschermann et al., 2011. Reorganization of motor system in Parkinson's Disease. Eur. Neurol., 66: 220-226.
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  36. Horvath, R.A., A. Schwarcz, M. Aradi, T. Auer and N. Feher et al., 2011. Lateralisation of non-metric rhythm. Laterality, 16: 620-635.
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  37. Deli, G., I. Balas, F. Nagy, E. Balazs, J. Janszky, S. Komoly and N. Kovacs, 2011. Comparison of the efficacy of unipolar and bipolar electrode configuration during subthalamic deep brain stimulation. Parkinsonism Relat. Disord., 17: 50-54.
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  38. Kovacs, N., R. Herold, J. Janszky, S. Komoly and F. Nagy, 2011. Tics status: A movement disorder emergency. J. Neurol., 258: 143-145.
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  39. Trauninger, A., B. Alkonyi, N. Kovacs, S. Komoly and Z. Pfund, 2010. Methylprednisolone therapy for short-term prevention of SUNCT syndrome. Cephalalgia, 30: 735-739.
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  40. Toth, V., L. Hejjel, A. Fogarasi, C. Gyimesi and G. Orsi et al., 2010. Periictal heart rate variability analysis suggests long-term postictal autonomic disturbance in epilepsy. Eur. J. Neurol., 17: 780-787.
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  41. Toth, V., A. Fogarasi, K. Karadi, N. Kovacs, A. Ebner and J. Janszky, 2010. Ictal affective symptoms in temporal lobe epilepsy are related to gender and age. Epilepsia, 51: 1126-1132.
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  42. Pal, E., F. Nagy, Z. Aschermann, E. Balazs and N. Kovacs, 2010. The impact of left prefrontal repetitive transcranial magnetic stimulation on depression in Parkinson's disease: A randomized, double-blind, placebo-controlled study. Movement Disorders, 25: 2311-2317.
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  43. Janszky, J., N. Kovacs, C. Gyimesi, A. Fogarasi, T. Doczi and S. Wiebe, 2010. Epilepsy surgery, antiepileptic drug trials and the role of evidence. Epilepsia, 51: 1004-1009.
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  44. Mike, A., I. Balas, D. Varga, J. Janszky, F. Nagy and N. Kovacs, 2009. Subjective visual vertical may be altered by bilateral subthalamic deep brain stimulation. Mov. Disord., 24: 1556-1557.
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  45. Llumiguano, C., N. Kovacs, A. Schwarcz, T. Doczi and I. Balas, 2009. P3.128 1H-MRS after bilateral DBS of the STN in Parkinson's disease: Abstracts of WFN XVIII world congress on parkinson's disease and related disorders. Parkinsonism Relat. Disorders, 15: S180-S181.

  46. Kovacs, N., T. Auer, I. Balas, K. Karadi and K. Zambo et al., 2009. Neuroimaging and cognitive changes during deja vu. Epilepsy Behav., 14: 190-196.
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  47. Horvath, R.A., A. Fogarasi, R. Schulz, G. Perlaki and Z. Kalmar et al., 2009. Ictal vocalizations occur more often in temporal lobe epilepsy with dominant (left-sided) epileptogenic zone. Epilepsia, 50: 1542-1546.
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  48. Auer, T., S. Pinter, N. Kovacs, Z. Kalmar and F. Nagy et al., 2009. Does obstetric brachial plexus injury influence speech dominance? Ann. Neurol., 65: 57-66.
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  49. Ajtay, Z., L. Kellenyi, L. Hejjel, A. Solymos and A. Nemeth et al., 2009. Simple and choice reaction times are prolonged following extracorporeal circulation: A potential method for the assessment of acute neurocognitive deficit. Med. Sci. Monitor, 15: CR470-CR476.
    PubMed  |  

  50. Llumiguano, C., N. Kovacs, Z. Usprung, A. Schwarcz, T.P. Doczi and I. Balas, 2008. 1H-MRS experiences after bilateral DBS of the STN in Parkinson's disease. Parkinsonism Related Disorders, 14: 229-232.
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  51. Kovacs, N., I. Balas, L. Kellenyi, J. Janszky and A. Feldmann et al., 2008. The impact of bilateral subthalamic deep brain stimulation on long-latency event-related potentials. Parkinsonism Related Disorders, 14: 476-480.
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  52. Kovacs, N., F. Nagy, I. Balas, S. Komoly and J. Janszky, 2008. Oxcarbazepine may induce psychotic symptoms in Parkinson's disease. Epilepsy Behav., 12: 492-493.
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  53. Kovacs, N., E. Pal, H. Merkli, L. Kellenyi, F. Nagy, J. Janszky and I. Balas, 2008. Bilateral effects of unilateral thalamic deep brain stimulation: A case report. Mov. Disord., 23: 276-279.
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  54. Feldmann, A., Z. Illes, P. Kosztolanyi, E. Illes and A. Mike et al., 2008. Morphometric changes of gray matter in Parkinson's disease with depression: A voxel-based morphometry study. Movement Disorders, 23: 42-46.
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  55. Auer, T., P. Barsi, B. Bone, A. Angyalosi and M. Aradi et al., 2008. History of simple febrile seizures is associated with hippocampal abnormalities in adults. Epilepsia, 49: 1562-1569.
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  56. Toth, V., G. Rasonyi, A. Fogarasi, N. Kovacs, T. Auer and J. Janszky, 2007. Juvenile myoclonic epilepsy starting in the eighth decade. Epileptic Disorders, 9: 341-345.
    PubMed  |  

  57. Kovacs, N., I. Balas, L. Kellenyi, E. Pal and F. Nagy, 2007. The impact of the use of access therapy controller on the postoperative outcome. Movement Disorders, 22: S231-S232.

  58. Janszky, J., A. Fogarasi, V. Toth, V. Magalova and C. Gyimesi et al., 2007. Peri-ictal vegetative symptoms in temporal lobe epilepsy. Epilepsy Behav., 11: 125-129.
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  59. Gyimesi, C., A. Fogarasi, N. Kovacs, V. Toth and V. Magalova et al., 2007. Patients' ability to react before complex partial seizures. Epilepsy Behav., 10: 183-186.
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  60. Kovacs, N., I. Balas, Z. Illes, L. Kellenyi and T.P. Doczi et al., 2006. Uniform qualitative electrophysiological changes in postoperative rest tremor. Movement Disorders, 21: 318-324.
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  61. Kovacs, N., I. Balas, L. Kellenyi and F. Nagy, 2006. Can the bilateral subthalamic deep brain stimulation cause cognitive impairment? Eur. J. Neurol., 13: 91-92.

  62. Kovacs, N., I. Balas, C. Llumiguano, L. Kellenyi and F. Nagy, 2006. Dichotomy of Parkinsonian rest tremor. Clin. Neurophysiol., 117: S182-S183.

  63. Kovacs, N., F. Nagy, F. Kover, A. Feldmann and C. Llumiguano et al., 2006. Implanted deep brain stimulator and 1.0-Tesla magnetic resonance imaging. J. Magnetic Resonance Imaging, 24: 1409-1412.
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  64. Kovacs, N., E. Pal, I. Balas, J. Janszky, F. Nagy and H. Merkli, 2006. Neurosurgical treatment of tremor in mitochondrial encephalopathy. Mov. Disord., 21: 2227-2230.
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  65. Janszky, J., A. Fogarasi, V. Magalova, C. Gyimesi, N. Kovacs, R. Schulz and A. Ebner, 2006. Unilateral hand automatisms in temporal lobe epilepsy. Seizure, 15: 393-396..
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  66. Feldmann, A., E. Illes, A. Mike, N. Kovacs, L. Toth et al., 2006. Similar changes in brain activation during hypnotic and posthypnotic state may underlie attentional inhibition to posthypnotic order. Eur. J. Neurol., 13: 164-165.

  67. Balas, I., N. Kovacs and K. Hollody, 2006. Staged bilateral stereotactic pallidothalamotomy for life-threatening dystonia in a child with Hallervorden-Spatz disease. Mo. Disord., 21: 82-85.
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  68. Szots, M., F. Nagy, N. Kovacs, F. Veto, L. Szapary and S. Komoly, 2005. Gyermekkori agytorzsi glioma ritka megjelenesi formaja-esetismertetes. Cephalalgia Hungarica, 15: 108-109.

  69. Kovacs, N., F. Nagy, I. Balas, Z. Illes and L. Kellenyi, 2005. Uniform postoperative electrophysiological changes in rest tremor characteristics irrespective of the type and target of surgical intervention. Parkinsonism Relat. Disorders, 11: 242-243.

  70. Kallai, J., A. Csatho, F. Kover, T. Makany and J. Nemes et al., 2005. MRI-assessed volume of left and right hippocampi in females correlates with the relative length of the second and fourth fingers (the 2D:4D ratio). Psychiatry Res., 140: 199-210.
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