Werner Helsen

Summary

Affiliation: Katholieke Universiteit Leuven
Country: Belgium

Publications

  1. ncbi request reprint Errors in judging "offside" in association football: test of the optical error versus the perceptual flash-lag hypothesis
    Werner Helsen
    Faculty of Kinesiology and Rehabilitation Sciences, Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Tervuursevest 101, B 3001 Heverlee, Leuven, Belgium
    J Sports Sci 24:521-8. 2006
  2. ncbi request reprint Helsen, Gilis, and Weston (2006) do not err in questioning the optical error hypothesis as the only major account for explaining offside decision-making errors
    Werner Helsen
    Faculty of Kinesiology and Rehabilitation Sciences, Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Heverlee, Belgium
    J Sports Sci 25:991-4. 2007
  3. doi request reprint Analysis of the kinematical demands imposed on top-class assistant referees during competitive soccer matches
    Javier Mallo
    Sports Biomechanics Laboratory, Faculty of Physical Activity and Sport Sciences, Madrid, Spain
    J Strength Cond Res 22:235-42. 2008
  4. doi request reprint The relative age effect in European professional soccer: did ten years of research make any difference?
    Werner F Helsen
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Belgium
    J Sports Sci 30:1665-71. 2012
  5. ncbi request reprint Training of perceptual-cognitive skills in offside decision making
    Peter Catteeuw
    Faculty of Kinesiology and Rehabilitation Sciences, epartment of Biomedical Kinesiology, Research Centre for Movement Control and Neuroplasticity, and Laboratory of Perception and Performance, Katholieke Universiteit Leuven, Heverlee Leuven, Belgium
    J Sport Exerc Psychol 32:845-61. 2010
  6. ncbi request reprint Perceptual-cognitive skills in offside decision making: expertise and training effects
    Peter Catteeuw
    Faculty of Kinesiology and Rehabilitation Sciences, Department of Biomedical Kinesiology, Research Centre for Movement Control and Neuroplasticity, and Laboratory of Perception and Performance, Katholieke Universiteit Leuven, Heverlee Leuven, Belgium
    J Sport Exerc Psychol 32:828-44. 2010
  7. doi request reprint Offside decision making in the 2002 and 2006 FIFA World Cups
    Peter Catteeuw
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Leuven, Belgium
    J Sports Sci 28:1027-32. 2010
  8. ncbi request reprint Visual scan patterns and decision-making skills of expert assistant referees in offside situations
    Peter Catteeuw
    Laboratory of Perception and Performance, Research Center for Movement Control and Neuroplasticity, Department of Biomedical Kinesiology, Faculty of Kinesiology and Rehabilitation Sciences, Katholieke Universiteit Leuven, Heverlee, Belgium
    J Sport Exerc Psychol 31:786-97. 2009
  9. doi request reprint Offside decision making of assistant referees in the English Premier League: impact of physical and perceptual-cognitive factors on match performance
    Peter Catteeuw
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Leuven, Belgium
    J Sports Sci 28:471-81. 2010
  10. doi request reprint Interpretation and application of the offside law by expert assistant referees: perception of spatial positions in complex dynamic events on and off the field
    Bart Gilis
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Leuven, Belgium
    J Sports Sci 27:551-63. 2009

Collaborators

Detail Information

Publications23

  1. ncbi request reprint Errors in judging "offside" in association football: test of the optical error versus the perceptual flash-lag hypothesis
    Werner Helsen
    Faculty of Kinesiology and Rehabilitation Sciences, Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Tervuursevest 101, B 3001 Heverlee, Leuven, Belgium
    J Sports Sci 24:521-8. 2006
    ..81 and 0.77 m ahead, respectively). To reduce the typical errors in judging offside, alternative ways need to be considered to teach assistant referees to better deal with flash-lag effects...
  2. ncbi request reprint Helsen, Gilis, and Weston (2006) do not err in questioning the optical error hypothesis as the only major account for explaining offside decision-making errors
    Werner Helsen
    Faculty of Kinesiology and Rehabilitation Sciences, Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Heverlee, Belgium
    J Sports Sci 25:991-4. 2007
    ..Oudejans et al. (2007) believe we both misinterpreted the optical error hypothesis and that our data set was unsuited to test it. Below, we react to these comments...
  3. doi request reprint Analysis of the kinematical demands imposed on top-class assistant referees during competitive soccer matches
    Javier Mallo
    Sports Biomechanics Laboratory, Faculty of Physical Activity and Sport Sciences, Madrid, Spain
    J Strength Cond Res 22:235-42. 2008
    ..The results of this study demonstrate that assistant referees experience unique kinematical demands during soccer officiating and that the score in the battery of fitness tests adopted by FIFA was not correlated to match activities...
  4. doi request reprint The relative age effect in European professional soccer: did ten years of research make any difference?
    Werner F Helsen
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Belgium
    J Sports Sci 30:1665-71. 2012
    ..We propose a change in the structure of youth involvement in soccer to reduce the impact of the RAE on talent identification and selection...
  5. ncbi request reprint Training of perceptual-cognitive skills in offside decision making
    Peter Catteeuw
    Faculty of Kinesiology and Rehabilitation Sciences, epartment of Biomedical Kinesiology, Research Centre for Movement Control and Neuroplasticity, and Laboratory of Perception and Performance, Katholieke Universiteit Leuven, Heverlee Leuven, Belgium
    J Sport Exerc Psychol 32:845-61. 2010
    ..Off-field offside decision-making training should be considered as part of training because it is a considerable help to gain more experience and to improve overall decision-making performance...
  6. ncbi request reprint Perceptual-cognitive skills in offside decision making: expertise and training effects
    Peter Catteeuw
    Faculty of Kinesiology and Rehabilitation Sciences, Department of Biomedical Kinesiology, Research Centre for Movement Control and Neuroplasticity, and Laboratory of Perception and Performance, Katholieke Universiteit Leuven, Heverlee Leuven, Belgium
    J Sport Exerc Psychol 32:828-44. 2010
    ..Second, an off-field perceptual-cognitive training program can help assistant referees to deal with the perceptual consequences of the flash-lag illusion and to readjust their decision-making process accordingly...
  7. doi request reprint Offside decision making in the 2002 and 2006 FIFA World Cups
    Peter Catteeuw
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Leuven, Belgium
    J Sports Sci 28:1027-32. 2010
    ..Overall, quality of offside decisions was not influenced by the position of the assistant referee relative to the offside line. In addition, flag errors can best be explained by the perceptual illusion induced by the flash-lag effect...
  8. ncbi request reprint Visual scan patterns and decision-making skills of expert assistant referees in offside situations
    Peter Catteeuw
    Laboratory of Perception and Performance, Research Center for Movement Control and Neuroplasticity, Department of Biomedical Kinesiology, Faculty of Kinesiology and Rehabilitation Sciences, Katholieke Universiteit Leuven, Heverlee, Belgium
    J Sport Exerc Psychol 31:786-97. 2009
    ..Based on their experience, they have learned to correct for this illusion, and, consequently, show fewer flag errors...
  9. doi request reprint Offside decision making of assistant referees in the English Premier League: impact of physical and perceptual-cognitive factors on match performance
    Peter Catteeuw
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Leuven, Belgium
    J Sports Sci 28:471-81. 2010
    ..The increased awareness of factors involved in offside decision making and the instructions to give the benefit of the doubt to attackers could have contributed to this situation...
  10. doi request reprint Interpretation and application of the offside law by expert assistant referees: perception of spatial positions in complex dynamic events on and off the field
    Bart Gilis
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Leuven, Belgium
    J Sports Sci 27:551-63. 2009
    ..Future research is needed to examine the extent to which on- and off-the-field training sessions can be used as training tools to improve offside decision-making...
  11. doi request reprint The relation between cognitive and motor dysfunction and motor imagery ability in patients with multiple sclerosis
    Elke Heremans
    Department of Rehabilitation Sciences, Katholieke Universiteit Leuven, Belgium
    Mult Scler 18:1303-9. 2012
    ..Motor imagery (MI) was recently shown to be a promising tool in neurorehabilitation. The ability to perform MI, however, may be impaired in some patients with neurological dysfunction...
  12. doi request reprint Offside decisions by expert assistant referees in association football: Perception and recall of spatial positions in complex dynamic events
    Bart Gilis
    Department of Biomedical Kinesiology, Laboratory of Perception and Performance, Katholieke Universiteit Leuven, Belgium
    J Exp Psychol Appl 14:21-35. 2008
    ..Further experimentation is needed to examine whether video- and computer-based decision-making training is effective in improving the decision-making skills of ARs during the game...
  13. doi request reprint Decision-making skills, role specificity, and deliberate practice in association football refereeing
    Peter Catteeuw
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Leuven, Belgium
    J Sports Sci 27:1125-36. 2009
    ..The results support role specificity in association football refereeing. Further research should help to create role-specific perception and decision-making training programmes both for referees and assistant referees...
  14. ncbi request reprint Relationship between multiple sclerosis intention tremor severity and lesion load in the brainstem
    Peter Feys
    Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Leuven, Belgium
    Neuroreport 16:1379-82. 2005
    ..These results support the view that multiple sclerosis intention tremor is related to dysfunction of cerebellar inflow and/or outflow pathways...
  15. ncbi request reprint The effect of changed visual feedback on intention tremor in multiple sclerosis
    Peter Feys
    Katholieke Universiteit Leuven, Department of Biomedical Kinesiology, Motor Learning Laboratory, Tervuursevest 101, 3001 Leuven, Belgium
    Neurosci Lett 394:17-21. 2006
    ..These results suggest that hand tremor severity is dependent on the visual feedback of position and movement errors...
  16. ncbi request reprint Digitised spirography as an evaluation tool for intention tremor in multiple sclerosis
    Peter Feys
    FABER, Katholieke Universiteit Leuven, Department of Biomedical Kinesiology, Tervuursevest 101, B 3001 Leuven, Belgium
    J Neurosci Methods 160:309-16. 2007
    ..The consistency and high correlations between four repeated executions indicated short-term test-retest reliability. We conclude that the digitised spirography provide a useful instrumentation for quantifying MS intention tremor...
  17. pmc Recognizing biological motion and emotions from point-light displays in autism spectrum disorders
    Evelien Nackaerts
    Department of Biomedical Kinesiology, Group Biomedical Sciences, Research Center for Movement Control and Neuroplasticity, KU Leuven, Heverlee, Belgium
    PLoS ONE 7:e44473. 2012
    ..However, especially for emotion recognition, these altered eye movements were associated with reductions in task-performance...
  18. pmc Is MS Intention Tremor Amplitude Related to Changed Peripheral Reflexes?
    Peter Feys
    Departments of Biomedical Kinesiology and Rehabilitation Sciences, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
    ISRN Neurol 2011:192414. 2011
    ..Peak and peak-to-peak amplitude were not different between groups. It is concluded that tendon reflexes were delayed but not enlarged in MS patients with tremor...
  19. ncbi request reprint Physical and perceptual-cognitive demands of top-class refereeing in association football
    Werner Helsen
    Department of Kinesiology, Katholieke Universiteit Leuven, Tervuursevest 101, B 3001 Heverlee Leuven, Belgium
    J Sports Sci 22:179-89. 2004
    ..In addition, video training is discussed as an additional method for improving match officials' decision making...
  20. doi request reprint Motor imagery ability in patients with early- and mid-stage Parkinson disease
    Elke Heremans
    Katholieke Universiteit Leuven, Leuven, Belgium
    Neurorehabil Neural Repair 25:168-77. 2011
    ..Up to now, however, it has been unclear whether this practice method can also be successfully applied in the rehabilitation of patients with Parkinson disease (PD)...
  21. ncbi request reprint A ménage à trois: the eye, the hand and on-line processing
    Janet Starkes
    Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
    J Sports Sci 20:217-24. 2002
    ..Practice does not diminish the need for on-line processing; rather, its use appears to ensure greater movement efficiency...
  22. ncbi request reprint The impact of specific high-intensity training sessions on football referees' fitness levels
    Matthew Weston
    Department of Kinesiology, Katholieke Universitat Leuven, Belgium
    Am J Sports Med 32:54S-61S. 2004
    ..In comparison to the amount of literature that has examined the match demands of football refereeing, there has been little attempt to assess the impact of high-intensity training...
  23. ncbi request reprint Activity profile of top-class association football referees in relation to performance in selected physical tests
    Javier Mallo
    Facultad de Ciencias de la Actividad Física y del Deporte INEF Universidad Politécnica de Madrid, Madrid, Spain
    J Sports Sci 25:805-13. 2007
    ....