Dennis A Nowak

Summary

Country: Germany

Publications

  1. ncbi request reprint Acute myelopathy of unknown aetiology: a follow-up investigation
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Englschalkingerstrasse 77, Munich, Germany
    J Clin Neurosci 13:339-42. 2006
  2. ncbi request reprint Sensorimotor memory and grip force control: does grip force anticipate a self-produced weight change when drinking with a straw from a cup?
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology and Clinical Neuropsychology Research Group, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Munich, Germany
    Eur J Neurosci 18:2883-92. 2003
  3. ncbi request reprint Predictability influences finger force control when catching a free-falling object
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhause, Technical University of Munich, Englschalkingerstrasse 77, 81925, Munich, Germany
    Exp Brain Res 154:411-6. 2004
  4. ncbi request reprint Memory for fingertip forces: passive hand muscle vibration interferes with predictive grip force scaling
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movements Disorders, Institute of Neurology, University College London, UK
    Exp Brain Res 156:444-50. 2004
  5. ncbi request reprint Acute myelopathy. Retrospective clinical, laboratory, MRI and outcome analysis of 49 cases
    Dennis A Nowak
    Department of Neurology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Munich, Germany
    J Clin Neurosci 11:145-52. 2004
  6. ncbi request reprint Different modes of grip force control: voluntary and externally guided arm movements with a hand-held load
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, University College London, London, UK
    Clin Neurophysiol 115:839-48. 2004
  7. ncbi request reprint [Analysis of grip force during object manipulation. Method for the objective measurement of physiological normal and impaired hand function]
    Dennis A Nowak
    Abteilung für Neurologie und Klinische Neurophysiologie, Städtisches Krankenhaus Bogenhausen, Lehrkrankenhaus der Technischen Universität München, Munchen, Deutschland
    Nervenarzt 75:725-33. 2004
  8. ncbi request reprint Moving objects in a rotating environment: rapid prediction of Coriolis and centrifugal force perturbations
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, University College London, London, UK
    Exp Brain Res 157:241-54. 2004
  9. ncbi request reprint Grip force behavior in Gilles de la Tourette syndrome
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movements Disorders, Institute of Neurology, University of London, London, United Kingdom
    Mov Disord 20:217-23. 2005
  10. ncbi request reprint Grip force behavior during object manipulation in neurological disorders: toward an objective evaluation of manual performance deficits
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhausen of the Technical University of Munich, Munich, Germany
    Mov Disord 20:11-25. 2005

Detail Information

Publications76

  1. ncbi request reprint Acute myelopathy of unknown aetiology: a follow-up investigation
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Englschalkingerstrasse 77, Munich, Germany
    J Clin Neurosci 13:339-42. 2006
    ..Larger studies with longer follow-up periods and clear clinical, laboratory and MRI criteria should help to shed some light on this issue...
  2. ncbi request reprint Sensorimotor memory and grip force control: does grip force anticipate a self-produced weight change when drinking with a straw from a cup?
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology and Clinical Neuropsychology Research Group, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Munich, Germany
    Eur J Neurosci 18:2883-92. 2003
    ..Our data support the hypothesis that the sensorimotor system planning and processing predictive fingertip force can operate independently of higher-level cognitive and perceptual systems...
  3. ncbi request reprint Predictability influences finger force control when catching a free-falling object
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhause, Technical University of Munich, Englschalkingerstrasse 77, 81925, Munich, Germany
    Exp Brain Res 154:411-6. 2004
    ..Grip force control during catching is both highly automatic and flexible depending on the predictability of the task...
  4. ncbi request reprint Memory for fingertip forces: passive hand muscle vibration interferes with predictive grip force scaling
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movements Disorders, Institute of Neurology, University College London, UK
    Exp Brain Res 156:444-50. 2004
    ..Our data are consistent with the recent suggestion that these memory processes are neither specific for a certain motor action nor do they reflect internal representations of mechanical object properties...
  5. ncbi request reprint Acute myelopathy. Retrospective clinical, laboratory, MRI and outcome analysis of 49 cases
    Dennis A Nowak
    Department of Neurology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Munich, Germany
    J Clin Neurosci 11:145-52. 2004
    ..Our findings suggest that various aetiologies of acute myelopathy may be differentiated on the basis of distinct clinical, MRI, laboratory and outcome data...
  6. ncbi request reprint Different modes of grip force control: voluntary and externally guided arm movements with a hand-held load
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, University College London, London, UK
    Clin Neurophysiol 115:839-48. 2004
    ..Previous studies analysed reactive and predictive grip force behaviour by systematically varying the predictability of the physical object properties...
  7. ncbi request reprint [Analysis of grip force during object manipulation. Method for the objective measurement of physiological normal and impaired hand function]
    Dennis A Nowak
    Abteilung für Neurologie und Klinische Neurophysiologie, Städtisches Krankenhaus Bogenhausen, Lehrkrankenhaus der Technischen Universität München, Munchen, Deutschland
    Nervenarzt 75:725-33. 2004
    ..The examination of grip force control is well suited for an objective evaluation of therapy during sensorimotor rehabilitation of deficient hand function...
  8. ncbi request reprint Moving objects in a rotating environment: rapid prediction of Coriolis and centrifugal force perturbations
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, University College London, London, UK
    Exp Brain Res 157:241-54. 2004
    ..The results are discussed within the context of the CNS ability to use internal models when planning and processing anticipatory grip force adjustments during manipulative tasks...
  9. ncbi request reprint Grip force behavior in Gilles de la Tourette syndrome
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movements Disorders, Institute of Neurology, University of London, London, United Kingdom
    Mov Disord 20:217-23. 2005
    ..We found no significant effect of medication on the performance of GTS patients, regardless of the task performed. These results are consistent with deficient sensory-motor processing in Gilles de la Tourette syndrome...
  10. ncbi request reprint Grip force behavior during object manipulation in neurological disorders: toward an objective evaluation of manual performance deficits
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhausen of the Technical University of Munich, Munich, Germany
    Mov Disord 20:11-25. 2005
    ..Detailed examination of grip force control is simple and well suited for the objective evaluation of impaired motor function of the hand and its rehabilitation...
  11. ncbi request reprint Impaired generalization of weight-related information during grasping in cerebellar degeneration
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhausen, Technical University of Munich, Englschalkingerstrasse 77, D 81925 Munich, Germany
    Neuropsychologia 43:20-7. 2005
    ..Our data suggest that the cerebellum plays a major role for the generalization of weight-related information during object manipulation...
  12. ncbi request reprint Broadening a classic clinical triad: The hypokinetic motor disorder of normal pressure hydrocephalus also affects the hand
    Dennis A Nowak
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12, D 89075 Ulm, Germany
    Exp Neurol 198:81-7. 2006
    ..Our data demonstrate that the hypokinetic motor deficit in normal pressure hydrocephalus also involves the hand, and that the pattern of deficits shares several features of those found in Parkinson's disease...
  13. ncbi request reprint Predictive and reactive finger force control during catching in cerebellar degeneration
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhausen, Technical University of Munich, Munich, Germany
    Cerebellum 3:227-35. 2004
    ..Our data suggest involvement of cerebellar circuits in a predictive, but less in a reactive, mode of fingertip force control during manipulative behavior...
  14. ncbi request reprint The beneficial effects of subthalamic nucleus stimulation on manipulative finger force control in Parkinson's disease
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movements Disorders, Institute of Neurology, University of London, London, UK
    Exp Neurol 193:427-36. 2005
    ..STN stimulation enables Parkinson subjects to scale grip force more accurately to the loads arising from voluntary manipulation of hand-held objects...
  15. ncbi request reprint Diagnostic relevance of transcranial magnetic and electric stimulation of the facial nerve in the management of facial palsy
    Dennis A Nowak
    Department of Psychiatry III, University of Ulm, Germany
    Clin Neurophysiol 116:2051-7. 2005
    ....
  16. ncbi request reprint The clinical variability of Wallenberg's syndrome. The anatomical correlate of ipsilateral axial lateropulsion
    Dennis A Nowak
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12, Klinikbereich Safranberg, 89075, Ulm, Germany
    J Neurol 253:507-11. 2006
    ..Our data suggest that ipsilateral axial lateropulsion may be caused by lesions of different topography involving either the vestibular nuclei, the cerebellar peduncle or the spinocerebellar tracts...
  17. ncbi request reprint Sensory timing cues improve akinesia of grasping movements in Parkinson's disease: a comparison to the effects of subthalamic nucleus stimulation
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, University College London, London, United Kingdom
    Mov Disord 21:166-72. 2006
    ..This implies that subthalamic nucleus stimulation produces a generalized upregulation in the gain of all components of a movement without the subtlety of focused control that is required to normalize performance...
  18. ncbi request reprint How predictive is grip force control in the complete absence of somatosensory feedback?
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Englschalkingerstrasse 77, D 81925 Munich, Germany
    Brain 127:182-92. 2004
    ..We conclude that predictive grip force control requires at least intermittent sensory feedback to signal the effectiveness of descending motor commands and to update internal models...
  19. ncbi request reprint Grip and load force coupling during discrete vertical arm movements with a grasped object in cerebellar atrophy
    Dennis A Nowak
    Department of Neurology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Englschalkingerstrasse 77, 81925 Munich, Germany
    Exp Brain Res 145:28-39. 2002
    ....
  20. ncbi request reprint Lhermitte-Duclos disease (dysplastic cerebellar gangliocytoma): a malformation, hamartoma or neoplasm?
    D A Nowak
    Department of Neurology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Munich, Germany
    Acta Neurol Scand 105:137-45. 2002
    ..The debate, whether it represents a neoplastic, malformative or hamartomatous lesion, is still in progress. Lhermitte-Duclos disease was recently encountered to be part of a multiple hamartoma-neoplasia complex (Cowden's syndrome)...
  21. ncbi request reprint The role of cutaneous feedback for anticipatory grip force adjustments during object movements and externally imposed variation of the direction of gravity
    Dennis A Nowak
    Department of Neurology, Klinikum Grosshadern, Ludwig Maximilians University of Munich, Munchen, Germany
    Somatosens Mot Res 19:49-60. 2002
    ..However, it plays a subordinate role for the precise anticipatory temporal coupling between grip and load forces during voluntary object manipulation...
  22. ncbi request reprint [Isolated intracerebral cystic echinococcosis. Unusual presentation of a rare disease]
    D A Nowak
    Abteilung für Neurologie und Klinische Neurophysiologie, Städtisches Krankenhaus München Bogenhausen
    Dtsch Med Wochenschr 127:1638-42. 2002
    ..A 46-year-old woman was admitted with a first generalised tonic-clonic seizure. Past medical history was unremarkable. She reported no travels abroad within the past five years...
  23. ncbi request reprint Coordination of grip and load forces during vertical point-to-point movements with a grasped object in Parkinson's disease
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhausen, Technical University of Munich, Germany
    Behav Neurosci 116:837-50. 2002
    ..The results suggest that Parkinson's disease does not significantly impair the anticipation of movement-induced load fluctuations during voluntary arm movements with a grasped object performed on medication...
  24. ncbi request reprint Digit cooling influences grasp efficiency during manipulative tasks
    D A Nowak
    Abteilung für Neurologie und Klinische Neurophysiologie, Städtisches Krankenhaus Bogenhausen, Akademisches Lehrkrankenhaus der Technischen Universität, Englschalkingerstrasse 77, 81925 Munich, Germany
    Eur J Appl Physiol 89:127-33. 2003
    ....
  25. ncbi request reprint Moving objects with clumsy fingers: how predictive is grip force control in patients with impaired manual sensibility?
    Dennis A Nowak
    Department of Neurology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Englschalkingerstrasse 77, D 81925 Munich, Germany
    Clin Neurophysiol 114:472-87. 2003
    ..However, the central nervous system also refers to real time sensory feedback from the grasping digits in order to achieve a highly economical coupling between grip force and the actual loading requirements...
  26. ncbi request reprint Impaired coordination between grip force and load force in amyotrophic lateral sclerosis: a case-control study
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhausen, Technical University of Munich, Englschalkingerstrasse 77, D 81925 Munich, Germany
    Amyotroph Lateral Scler Other Motor Neuron Disord 3:199-207. 2002
    ....
  27. ncbi request reprint Deficits of predictive grip force control during object manipulation in acute stroke
    Dennis A Nowak
    Abteilung für Neurologie und Klinische Neurophysiologie, Krankenhaus Munchen Bogenhausen, Akademisches Lehrkrankenhaus der Technischen Universität, Englschalkingerstrasse 77, 81925 Munich, Germany
    J Neurol 250:850-60. 2003
    ..These findings indicate impaired prediction of the inertial load profiles arising from voluntary arm movements with a hand-held object in acute stroke...
  28. doi request reprint Predictive force programming in the grip-lift task: the role of memory links between arbitrary cues and object weight
    Mitra Ameli
    Department of Neurology, University of Cologne, Cologne, Germany
    Neuropsychologia 46:2383-8. 2008
    ..We discuss our data within the theoretical concept of internal models...
  29. doi request reprint Arbitrary visuomotor mapping during object manipulation in Parkinson's disease
    Dennis A Nowak
    Department of Neurology, University of Cologne, Cologne, Germany
    Mov Disord 24:1925-33. 2009
    ..These data imply that Parkinson's disease does not preclude the ability of visuomotor mapping in the grip-lift task...
  30. doi request reprint Interhemispheric transfer of predictive force control during grasping in cerebellar disorders
    Dennis A Nowak
    Department of Neurology, University of Cologne, Cologne, Germany
    Cerebellum 8:108-15. 2009
    ..We interpret these data within the recent concept that the cerebellum is essential for the rapid integration and generalization of mechanical object features in between both hemispheres when handling objects in the environment...
  31. doi request reprint Differential effects of high-frequency repetitive transcranial magnetic stimulation over ipsilesional primary motor cortex in cortical and subcortical middle cerebral artery stroke
    Mitra Ameli
    Department of Neurology, University Hospital Cologne, Cologne, Germany
    Ann Neurol 66:298-309. 2009
    ..The effects of 10 Hz repetitive transcranial magnetic stimulation (rTMS) over ipsilesional M1 on movement kinematics and neural activity were examined in patients with subcortical or cortical stroke...
  32. doi request reprint Arbitrary visuo-motor mapping during object manipulation in mild cognitive impairment and Alzheimer's disease: a pilot study
    Mitra Ameli
    Department of Neurology, University of Cologne, Cologne, Germany
    Clin Neurol Neurosurg 113:453-8. 2011
    ..These preliminary data suggest that the hippocampal system plays an essential role for arbitrary visuo-motor mapping in the grip-lift task...
  33. doi request reprint Effects of low-frequency repetitive transcranial magnetic stimulation of the contralesional primary motor cortex on movement kinematics and neural activity in subcortical stroke
    Dennis A Nowak
    Department of Neurology, University Hospital Cologne, University of Cologne, Kerpener Strasse 62, D 50924 Cologne, Germany
    Arch Neurol 65:741-7. 2008
    ..Following the concept of interhemispheric competition, downregulation of the contralesional primary motor cortex (M1) may improve the dexterity of the affected hand after stroke...
  34. ncbi request reprint Preserved and impaired aspects of predictive grip force control in cerebellar patients
    Katrin Rost
    Clinical Neuropsychology Research Group, Department of Neuropsychology, Munchen Bogenhausen Hospital, Technical University of Munich, Dachauer Strasse 164, D 80992 Munich, Germany
    Clin Neurophysiol 116:1405-14. 2005
    ..To analyze preserved and impaired aspects of feedforward grip force control during cyclic arm movements with a hand-held object after cerebellar damage...
  35. doi request reprint Intermanual transfer of sensorimotor memory for grip force when lifting objects: the role of wrist angulation
    Djamel Bensmail
    Department of Neurology, University Hospital, University of Cologne, Cologne, Germany
    Clin Neurophysiol 121:402-7. 2010
    ..To investigate the mechanisms underlying the intermanual transfer of sensorimotor memory when lifting an object...
  36. ncbi request reprint When motor execution is selectively impaired: control of manipulative finger forces in amyotrophic lateral sclerosis
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, the Academic Hospital Bogenhausen at the Technical University of Munich, Englschalkingerstrasse 77, D 81925 Munich, Germany
    Motor Control 7:304-20. 2003
    ....
  37. ncbi request reprint Cortical connectivity after subcortical stroke assessed with functional magnetic resonance imaging
    Christian Grefkes
    Department of Neurology, University of Cologne, Cologne, Germany
    Ann Neurol 63:236-46. 2008
    ..This study aimed at identifying the impact of subcortical stroke on the interaction of cortical motor areas within and across hemispheres during the generation of voluntary hand movements...
  38. doi request reprint Continuous theta-burst stimulation over the dorsal premotor cortex interferes with associative learning during object lifting
    Dennis A Nowak
    Department of Neurology, University of Cologne, Cologne, Germany
    Cortex 45:473-82. 2009
    ..Our data highlight the role of the PMd to generalize and maintain associative memory processes relevant for predictive control of grip forces during object manipulation...
  39. ncbi request reprint Grip force efficiency in long-term deprivation of somatosensory feedback
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhausen, Technical University Munich, Germany
    Neuroreport 14:1803-7. 2003
    ..g. from visual cues, small myelinated and unmyelinated muscle afferents or neck proprioception, may provide some provisional grip force control in the absence of cutaneous and proprioceptive feedback...
  40. ncbi request reprint Sensorimotor memory for fingertip forces during object lifting: the role of the primary motor cortex
    Julia Berner
    Department of Psychiatry III, University of Ulm, Germany
    Neuropsychologia 45:1931-8. 2007
    ....
  41. doi request reprint Effects of rTMS on grip force control following subcortical stroke
    Manuel Dafotakis
    Department of Neurology, University Hospital Cologne, University of Cologne, Germany
    Exp Neurol 211:407-12. 2008
    ..Our data support the interhemispheric competition concept and furthermore reinforce current efforts to implement rTMS in novel approaches to stroke rehabilitation...
  42. ncbi request reprint 1Hz rTMS preconditioned by tDCS over the primary motor cortex in Parkinson's disease: absence of effect on arm lift and hand grip force control
    Carsten Eggers
    Department of Neurology, University of Cologne, Cologne, Germany
    Motor Control 16:284-92. 2012
    ....
  43. doi request reprint Interhemispheric competition after stroke: brain stimulation to enhance recovery of function of the affected hand
    Dennis A Nowak
    Department of Neurology, University Hospital, University of Cologne, Cologne, Germany
    Neurorehabil Neural Repair 23:641-56. 2009
    ..This review critically summarizes the data supporting the use of novel electrophysiological concepts in the rehabilitation of hand function after stroke...
  44. ncbi request reprint Dexterity is impaired at both hands following unilateral subcortical middle cerebral artery stroke
    Dennis A Nowak
    Department of Neurology, University of Cologne, Cologne, Germany
    Eur J Neurosci 25:3173-84. 2007
    ..These data provide evidence that dexterity is impaired at both hands after subcortical middle cerebral artery stroke...
  45. ncbi request reprint Formation and decay of sensorimotor and associative memory in object lifting
    Dennis A Nowak
    Department of Neurology, University of Cologne, Cologne, Germany
    Eur J Appl Physiol 100:719-26. 2007
    ..Importantly, the formation of such memory appears to reduce the drift in accuracy observed in experiment 1 and provides the precise programming of grip and lift forces according to the physical object properties for up to 24 h...
  46. ncbi request reprint The role of the cerebellum for predictive control of grasping
    Dennis A Nowak
    Department of Neurology, University of Cologne and Institute of Medicine, Research Center Julich, Jerpener Strasse 62, D 50924 Cologne, Germany
    Cerebellum 6:7-17. 2007
    ..Here we review theoretical concepts, electrophysiological, imaging and behavioural data suggesting the cerebellum to be the anatomical and functional correlate of internal models relevant for predictive control of grasping...
  47. ncbi request reprint CSF drainage ameliorates the motor deficit in normal pressure hydrocephalus: evidence from the analysis of grasping movements
    Dennis A Nowak
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12, 89075, Ulm, Germany
    J Neurol 253:640-7. 2006
    ..These data suggest that the measurement of grasping forces may provide an additional test to quantify the clinical response to CSF tapping in normal pressure hydrocephalus...
  48. ncbi request reprint Objective evaluation of manual performance deficits in neurological movement disorders
    Dennis A Nowak
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12 14, D 89075 Ulm, Germany
    Brain Res Rev 51:108-24. 2006
    ..Grip force analysis is a highly sensitive method to document even subtle impairments of finger force control and may be used both as a diagnostic tool and for the objective evaluation of treatment in neurological movement disorders...
  49. ncbi request reprint Predictive and reactive control of grasping forces: on the role of the basal ganglia and sensory feedback
    Dennis A Nowak
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12, 89075 Ulm, Germany
    Exp Brain Res 173:650-60. 2006
    ..Also in the predictive mode, grip force processing was severely impaired in deafferented subjects. Thus, at least intermittent sensory information is necessary to establish and update predictive modes of grasping force control...
  50. ncbi request reprint Selective deficits of grip force control during object manipulation in patients with reduced sensibility of the grasping digits
    Dennis A Nowak
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Munich, Germany
    Neurosci Res 47:65-72. 2003
    ..In contrast, sensory afferent information from the grasping fingers plays a dominant role for the efficient scaling of the grip force level according to actual loading requirements...
  51. doi request reprint The impact of stroke on the performance of grasping: usefulness of kinetic and kinematic motion analysis
    Dennis A Nowak
    Department of Neurology, University of Cologne, Cologne, Germany
    Neurosci Biobehav Rev 32:1439-50. 2008
    ....
  52. ncbi request reprint Mirror movements and the role of handedness: isometric grip forces changes
    Ingo Uttner
    Neurological Clinic, University of Ulm, Ulm, Germany
    Motor Control 11:16-28. 2007
    ....
  53. ncbi request reprint The effects of digital anaesthesia on predictive grip force adjustments during vertical movements of a grasped object
    D A Nowak
    Department of Neurology, , Klinikum Grosshadern, Marchioninistrasse 23, , Germany
    Eur J Neurosci 14:756-62. 2001
    ....
  54. doi request reprint Theta burst stimulation over the primary motor cortex does not induce cortical plasticity in Parkinson's disease
    Carsten Eggers
    Department of Neurology, University of Cologne, Cologne, Germany
    J Neurol 257:1669-74. 2010
    ..We interpret these data to reflect impaired cortical plasticity in Parkinson's disease. This study is an important contribution to the knowledge about impaired plasticity in Parkinson's disease...
  55. ncbi request reprint High-frequency repetitive transcranial magnetic stimulation over the hand area of the primary motor cortex disturbs predictive grip force scaling
    Dennis A Nowak
    Sobell Department of Motor Neuroscience and Movements Disorders, Institute of Neurology, University College London, London, UK
    Eur J Neurosci 22:2392-6. 2005
    ..These preliminary data suggest that rTMS over the sensorimotor cortex disturbs predictive grip force planning...
  56. pmc Spinal intradural capillary haemangioma: a review
    D A Nowak
    Department of Neurology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Germany Dr
    Eur Spine J 10:464-72. 2001
    ..In general, vascular lesions of this entity are preoperatively misdiagnosed as neoplasms, and a higher level of clinical and radiological suspicion may avoid surgical overtreatment of these benign tumours...
  57. ncbi request reprint A retrospective clinical, laboratory and outcome analysis in 43 cases of acute aseptic meningitis
    D A Nowak
    Departments of Neurology and Clinical Neurophysiology and Medical Microbiology and Immunology, Academic Hospital Munich Bogenhausen, Technical University of Munich, Munich, Germany
    Eur J Neurol 10:271-80. 2003
    ..The average hospitalization time ranged from 16 to 31 days. Patients were either discharged home (72%) or transferred to a rehabilitation centre (28%). The outcome was good (40%) to fair (51%) in the majority of cases...
  58. doi request reprint Secondary intracranial hypertension with acute intracranial pressure crisis in superficial siderosis
    Stefan Linder
    Department of Neurology and Clinical Neurophysiology, Academic Hospital Bogenhausen, Technical University of Munich, Englschalkingerstr 77 D 81925 Munich, Germany
    J Clin Neurosci 15:1168-70. 2008
    ..In this situation permanent CSF drainage provides a useful therapeutic option...
  59. doi request reprint Preserved and impaired aspects of feed-forward grip force control after chronic somatosensory deafferentation
    J Hermsdorfer
    Clinical Neuropsychology Research Group, Academic Hospital Munchen Bogenhausen, Munich, Germany
    Neurorehabil Neural Repair 22:374-84. 2008
    ..Although feed-forward mechanisms of grip force control are a prerequisite for skilled object manipulation, somatosensory feedback is essential to acquire, maintain, and adapt these mechanisms...
  60. doi request reprint Psychogenic movement disorders: aetiology, phenomenology, neuroanatomical correlates and therapeutic approaches
    Dennis A Nowak
    Department of Neurology, University of Cologne, Cologne, Germany
    Neuroimage 47:1015-25. 2009
    ....
  61. ncbi request reprint Broadening the clinical spectrum: unusual presentation of spontaneous cerebrospinal fluid hypovolemia. Case report
    Dennis A Nowak
    Department of Neurology, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Germany
    J Neurosurg 98:903-7. 2003
    ....
  62. doi request reprint Ocular flutter, generalized myoclonus, and trunk ataxia associated with anti-GQ1b antibodies
    Olivier Zaro-Weber
    Department of Neurology, University Hospital Cologne, University of Cologne, Cologne, Germany
    Arch Neurol 65:659-61. 2008
    ..To describe a movement disorder characterized by ocular flutter, trunk ataxia, and mild generalized myoclonus associated with anti-GQ1b antibodies...
  63. ncbi request reprint Lhermitte-Duclos disease (Dysplastic gangliocytoma of the cerebellum)
    D A Nowak
    Department of Neurosurgery, Academic Hospital Munchen Bogenhausen, Technical University of Munich, Englschalkingerstrasse 77, D 81925 München, Germany
    Clin Neurol Neurosurg 103:105-10. 2001
    ..The pathogenesis of the disease is still poorly understood. Lhermitte-Duclos disease was recently considered to be part of a multiple hamartoma-neoplasia syndrome (Cowden disease). We add two further cases to this rare entity...
  64. ncbi request reprint Effects of changing gravity on anticipatory grip force control during point-to-point movements of a hand-held object
    D A Nowak
    Department of Neurology, Ludwig-Maximilians University, Klinikum Gro(hadern Marchioninistra(e 23, D-81377 Munich, Germany
    Motor Control 5:231-53. 2001
    ..The results indicate that the temporal grip force regulation is highly automatized and stable, whereas economical planning of force magnitude is more flexible and might reflect changes of the external loading condition...
  65. pmc Disturbances of grip force behaviour in focal hand dystonia: evidence for a generalised impairment of sensory-motor integration?
    D A Nowak
    Sobell Department of Motor Neuroscience and Movements Disorders, Institute of Neurology, University of London, UK
    J Neurol Neurosurg Psychiatry 76:953-9. 2005
    ..There may be an inefficiently high grip force when doing manipulative tasks other than the trigger task, possibly reflecting a generalised impairment of sensory-motor integration...
  66. ncbi request reprint Neurosarcoidosis: a review of its intracranial manifestation
    D A Nowak
    Department of Neurology, Academic Hosital, , Technical University of Munich, Germany
    J Neurol 248:363-72. 2001
    ..We review here all aspects of intracranial neurosarcoidosis from the clinical point of view, with special emphasis on presentation, diagnostic procedures, differential diagnostic considerations and treatment...
  67. doi request reprint Electrical somatosensory stimulation improves movement kinematics of the affected hand following stroke
    I B M Koesler
    Department of Neurology, University of Cologne, Cologne, Germany
    J Neurol Neurosurg Psychiatry 80:614-9. 2009
    ..The effect of electrical somatosensory stimulation on motor performance of the affected hand was investigated in 12 chronic subcortical stroke subjects...
  68. pmc Sensorimotor dysfunction of grasping in schizophrenia: a side effect of antipsychotic treatment?
    D A Nowak
    Department of Psychiatry III, University of Ulm, Leimgrubenweg 12, D 89075 Ulm, Germany
    J Neurol Neurosurg Psychiatry 77:650-7. 2006
    ..Antipsychotic treatment in schizophrenia is frequently associated with extrapyramidal side effects. Objective behavioural measures to evaluate the severity of extrapyramidal side effects in the clinical setting do not exist...
  69. ncbi request reprint Dexterity in cerebellar agenesis
    Dennis A Nowak
    Institut fur Medizin, Kognitive Neurologie und Neurologische Forschung, Forschungszentrum Julich, D 52457 Jülich, Germany
    Neuropsychologia 45:696-703. 2007
    ..These data highlight the role of the cerebellum for predictive force control and are interpreted within the concept of internal models reflecting the causal relationship between actions and their consequences...
  70. doi request reprint On the role of the ventral premotor cortex and anterior intraparietal area for predictive and reactive scaling of grip force
    Manuel Dafotakis
    Institute of Neuroscience and Biophysics, Research Centre Julich, Julich, Germany
    Brain Res 1228:73-80. 2008
    ..The findings highlight the differential involvement of PMv in the predictive scaling of grip force and of AIP in the reactive online adjustment of grip force during object manipulation...
  71. doi request reprint The impact of subthalamic deep brain stimulation on bradykinesia of proximal and distal upper limb muscles in Parkinson's disease
    Manuel Dafotakis
    Dept of Neurology, University Hospital, University of Cologne, Cologne, Germany
    J Neurol 255:429-37. 2008
    ..To assess the differential effects of bilateral deep brain stimulation of the subthalamic nucleus on proximal and distal muscle groups of the upper limb in Parkinson's disease...
  72. ncbi request reprint Deficits of anticipatory grip force control after damage to peripheral and central sensorimotor systems
    Joachim Hermsdorfer
    Neuropsychology Research Group EKN, Department of Neuropsychology, Germany
    Hum Mov Sci 23:643-62. 2004
    ..Thus, the function of the internal forward model and the precision of grip force production may depend on a complex anatomical and functional network of sensory and motor structures and their interaction in time and space...
  73. doi request reprint Dynamic intra- and interhemispheric interactions during unilateral and bilateral hand movements assessed with fMRI and DCM
    Christian Grefkes
    Neuromodulation and Neurorehabilitation Group, Max Planck Institute for Neurological Research, Cologne, Germany
    Neuroimage 41:1382-94. 2008
    ..Our data demonstrate that fMRI in combination with DCM allows insights into intrinsic properties of the human motor system and task-dependent modulations thereof...
  74. ncbi request reprint Coupling between cerebellar hemispheres and sensory processing
    Mario Manto
    Cerebellum 5:187-8. 2006
  75. ncbi request reprint Toward an objective quantification of impaired manual dexterity following stroke: the usefulness of precision grip measures
    Dennis A Nowak
    Clin Neurophysiol 117:1409-11. 2006
  76. doi request reprint Dopaminergic drug-induced tics in PARK2-positive Parkinson's disease
    Manuel Dafotakis
    Mov Disord 23:628. 2008