Publications of Jozsef Laczko ( )

Publications of Jozsef Laczko (1987-2011) 1. Laczkó J (2011): Modeling of Human movements, Neuroprostheses. Clinical Neuroscience/Ideggyogy Szle.61(5-6) pp. 162-167. IF: 0.23 2. Tibold, R., Fazekas, G., & Laczkó, J. (2011). Three-Dimensional Model to Predict Muscle Forces and Their Relation to Motor Variances in Reaching Arm Movements. Journal of Applied Biomechanics, (in press). Retrieved from http://journals.humankinetics.com/jab-in-press/jab-in-press/three-dimensional-model-topredict-muscle-forces-and-their-relation-to-motor-variances-in-reaching-arm-movements, IF: 1.239 3. Katona P, Laczko J (2011): Evaluation of maximal isometric muscle forces as function of lower limb configuration and crank angle during cycling, ISB2011 Brussels, July 3-7 2011. Oral presentation, http://homepages.ulb.ac.be/~labo/ISB2011/ISB2011_ScientificProgram_files/1024.pdf 4. Katona P, Pilissy T, Fazekas G, Klauber A, Laczkó J. (2010): A non-invasive method for the examination of muscle geometry to the exploration of the context of the muscle activities and muscle length changes. Biomechanica Hungarica III. évfolyam, 1. szám, pp 101-105. 5. Laczko J and Tibold R (2010): 3D analysis to reveal muscle activity timing in object replacing arm movements. Proc of the Eleventh International Symposium on the 3D Analysis oh Human Movement, pp. 90-93 6. Laczko J, Pilissy T, Tibold R. (2009): Neuro-mechanical Modeling and Controlling of Human Limb Movements of Spinal Cord Injured Patients. Proc. of the 2nd Intnl. Symposium on Applied Sciences in Biomedical and Communication Technologies. ISBN 978-80-227-3216-1. On CD Isabel 2009, File number: 285283, 7. Laczko J, Tibold R., Fazekas G. (2009): Neuromuscular synergy ensures kinematic stability during 3D reaching arm movements with load. Program No. 272.2 2009 Neuroscience Meeting. Chicago, IL: Soc. for Neuroscience, 2009. Online. 8. Tibold R, Poka A, Borbely B, Laczko J. (2009). The effect of load on joint- and muscle synergies in reaching arm movements. Accepted at VII. Conference on Progress in Motor Control, Marseille, France 2009. July 9. Katona Péter, Pilissy Tamás, Fazekas Gábor, Laczkó József (2009): Ízületi szögsebességek, izomaktivitások és a pedálhajtás sebességének kapcsolata kerékpározó mozgáskor. Magyar Sporttudományi Szemle, 10. évf. 38.sz. p.33. VII. Országos Sporttudományi Kongresszus, Budapest p.33 10. Keresztényi, Z., Cesari, P., Fazekas, G., Laczkó, J. (2009). The relation of hand and arm configuration variances while tracking geometric figures in Parkinson's disease - "aspects for rehabilitation". International Journal of Rehabilitation Research, 2009, 32.: 53-63. IF: 0.735

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11. Laczkó J., Pilissy T.,Klauber A (2008): Modeling of Limb Movements for Controlling Functional Electrical Stimulation of Praplegics. Proc. of the Third Hungarian Conference on Biomechanics. ISBN 978 963 06 4307 8. pp. 151-157 12. Laczkó J., Pilissy T.,Klauber A. (2008): Neuro-mechanical factors in controlling cycling movements of spinal cord injured patients throught functional electrical stimulation.. Proc. of the 12th International Conference on Cognitive and Neural Systems, Boston MA., p.104. 13. Tamás Pilissy, András Klauber, Gábor Fazekas, József Laczkó, Johann Szécsi (2008): Improving functional electrical stimulation driven cycling by proper synchronization of the muscles. Clinical Neuroscience/Ideggyogy Szle.61(5-6) pp. 162-167 14. Laczko J, Walton K, Watanabe H, Llinas R (2007): Modeling of limb movements to compute and transfer stimulation trains to spinal motoneuron pools. In: 12th annual Conference of the Intnl. FES Society. Philadelphia PA. Session 10. 15. Pilissy T, Pad K, Fazekas G, Horváth M, Stefanik Gy, Laczkó J. (2007) The role of ankle-joint during cycling movement task. Proceedings of the 9th Congress of European Federation for Research in Rehabilitation, Budapest, Aug 26-29. 2007. Int J Rehabil Res 2007;30(Suppl 1):58-59. IF: 0.735 16. Laczko J, Keresztenyi Z. (2007): Variances of Hand positions and arm configurations during arm movements under external load and without external load. Motor Control, Volume 11. Supplement, p.127, IF: 1.564 17. Keresztényi Z., Valkovič P., Eggert T., Steude U., Hermsdörfer J., Laczkó J. Böetzel K. (2007): The time course of the return of upper limb bradykinesia after cessation of subthalamic stimulation in Parkinson’s disease. In: Pakinsonism and Related Disorders. 13(7): 438-42 IF: 2.308 18. Laczko J (2006): Modeling the neural control and biomechanics of locomotion. In: My Fulbright Experience, Reports of Hungarian grantees, 2003-2004. ISBN 9632167988 pp.171-180. 19. Laczko J, Walton KD, Llinas RR: (2006): Modeling study of the relationship between spinal motoneuron pool firing rate and hindlimb posture during locomotion: consideration of the effects of alerting gravity during development. . Program No. 448.5. 2006 Abstract Viewer. Washington, DC: Society for Neuroscience. Online. 20. Laczko J, Walton K, Llinas R (2006): A - mechanical transducer model for neuro controlling joint rotations and limb movements. Clinical Neuroscience/Ideggy Szle, 59.(1-2):32-43. http://www.lam.hu/index.cgi?c=http://www.lam.hu/folyoiratok/szemle/0601/tart.htm&k= rehab&v=86623073163&r=145471948 21. Keresztenyi Z., Laczkó J. (2006): Teher hatása a karizom aktivitásra a gravitáció irányába és az azzal ellentétes irányba történő mozgásnál. Magyar Sporttudományi Szemle. 7. évf. 28. szám. 3-5

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22. Laczko J, Keresztenyi Z (2006): The effect of load on arm muscle activities during movements in the direction and against the direction of gravity. 11th Annual Congress of the European College of Sport and Science, Book of abstracts, p.372 23. Szecsi J, Fincziczki A, Laczko J, Klauber A (2006): Functional electrical stimulation for cycling of paraplegics: individual adaptation of the clinical environment in Hungary. 11th Annual Congress of the European College of Sport and Science, Book of abstracts, p.406. 24. Laczkó J. (2005): Végtagmozgások vezérlésének modellezése a mozgató idegsejtek aktivitása függvényében A XXIV. Neumann Kollokvium kiadványa, p.29. 25. Laczkó J. (2005): Modeling of Limb Movements as a function of motoneuron activities. Kalokagathia Vol XLIII. No.3, pp 24-34 26. Laczkó J. (2005): Végtagok mozgás-szabályozásának modellezése. Informatika és Menedzsment az Egészségügyben. IV. Évfolyam 8.Sz. pp. 42-46. 27. Laczkó J., Tihanyi J. (2005): Mathematical model for neuro-mechanical control of limb movements. Clinical Neuroscience, 58. Évf 1. különszám, Abstracts of the Annual Meeting of the Hungarian Neuroscience Soc. , Pécs 2005, p. 59. 28. Szécsi J, Laczkó J, Klauber A (2005): Funkcionális elektrostimulúció segítségével hajtott tricikli és ergométer harántsérültek számára: a technikai környezet individuális illesztése a pácienshez Orvosi Rehabilitáció és Fizikális Medicina Magyarországi Társasága XXIV. Vándorgyülése. Előadás összefoglalók. Pp 48-50. 29. Laczko J, Keresztenyi Z, Fazekas G. (2005): Effects of speed and accuracy on movement time in drawings of patients with Parkinson’s disease. Progress in Motor Control V., p 1/18. Publ: The Pennsylvania State University, State College PA. USA 30. Szécsi J, Fincziczki Á, Laczkó J, Straube A. (2005): Elektrostimuláció segítségével meghajtott (háromkerekű) kerékpár: Neuroprotézis harántsérült páciensek mindennapos használatára. Rehabilitáció, 15. Évfolyam pp.9-14 31. Domkin D, Laczko J, Djupsjöbacka M, Jaric S and Latash ML (2005) : Joint angle variability in 3D bimanual pointing: uncontrolled manifold analysis. Experimental Brain Research, V.163. pp.44-57 IF. 2.03 32. Laczko J; Walton K; Llinas R (2004):A neuro-mechanical model for the motor control in walking rats. Program No. 601.5. 2004.; Abstract Viewer. Washington, DC: Society for Neuroscience, 2004. Online. 33. Keresztenyi K., Santolin S., Laczko J. (2004): The Variability and Stability of Drawing Movements in Respect of Parkinson’s Desease. Proceedings of the First Hungarian Conference on Biomechanics, 191-197 34. Vörös T, Keresztényi Z, Fazekas Cs., Laczkó J. (2004):Computer Aided Interactive Remote Diagnosis Using Self-Organizing Maps, Proc. of the 26th Annual Intnl. Conference of the IEEE EMBS’04, san Francisco, pp.3190-93

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35. Laczko J., Walton K., Llinas R. (2003): A model for swimming motor control in rats reared from P14 to P30 in microgravity. Program No. 493.11. 2003 Abstract Viewer. Washington, DC: Society for Neuroscience 36. Santolin S, Cesari P, Laczko J, Fazekas Cs, Keresztenyi Z, (2003): Variance of hand- and angular trajectories during tracking arm movements of patients with Parkinson’s disease and healthy controls. In: Progress in Motor Control IV, Caen, France, p 146 37. Fazekas G, Fazekas A, Keresztényi Z, Fazekas Cs, Laczkó J (2003): Számítógépes eljárás fejlesztése Parkinson-kórban szenvedő betegek kézfunkciójának felmérésére és a kézműködés gyakoroltatására. Magyar Tudományos Parkinson Társ. Tud. Konferenciája, http://www.parkinson-tarsasag.hu/upload/Parkinson/ /document/fazekasg.htm 38. Voros Tibor, Csaba Fazekas, Zoltán Keresztényi, József Laczkó, Tamás Schné (2003): Using Dynamic Tests in Computer Aided Interactive Remote Diagnosis In: Health Data in the Information Society, Proceedings of MIE2003 39. Keresztenyi Z., Fazekas C., Voros T., Laczko J. (2002): Variance of hand trajectories of a Parkisonian while using a computer-mouse. Program No. 666.6. In: 2002 Abstract Viewer/Itinerary Planner. Washington, DC: Society for Neuroscience, 2002. 40. Fazekas Cs., Vörös T., Keresztényi Z., Kozmann Gy., Laczkó J. (2002): Számítógépes eljárás mozgászavarban megnyilvánuló betegségek kvantitatív állopkövetésére. Informatika és Manadzsment az Egészségügyben. I. Évfolyam 3. Sz. pp. 32-36. 41. Fazekas Cs., Vörös T., Keresztényi Z., Kozmann Gy., Laczkó J. (2002): Computer aided interactive remote diagnosis of Parkinsonians. In: Health data in the information society. Proceedings of MIE 2002, pp. 572-576, ISSN. 0926-9630 42. Domkin D., Laczko J., Jaric S., Johansson H., Latash ML. (2002): Structure of joint variability in bimanual pointing tasks. Experimental Brain Research V.143. pp.11-23, 43. Jaric S., Laczko J., Domlin D., Latash ML., Johansson H. (2001): Discerning Control Movement Strategies by an Analysis of the Structure of Motor Variability. In: Proc. Of the Progress in Motor Control III, Montreal 15-18 Aug. 2001. P.23. 44. Keresztényi Z., Laczkó J. (2001): Karmozgások kinematikai paramétereinek változatossága. 32. Mozgásbiológiai konferencia. A Semmelweis Egyetem (TF) kiadványa. p 36 45. Laczkó J (2001): Modeling of multi-joint movements. Kalokagathia 2001, Spec. Issue, pp.91-96. 46. Fazekas Cs. Laczkó J. (2001):”Járás szimulációja az izomaktívitások és izületi szögváltozások tükrében”. 32. Mozgásbiológiai konferencia. A Semmelweis Egyetem (TF) kiadványa. . pp 35-36 47. Laczkó J., Jaric S., Domkin D., Johansson H., Latash, ML (2001): Stabilization of Kinematic Variables in the Control of Bimanual Pointing Movements. Intnl. Joint Conference on Neural Networks. Washinghton DC. July 14-19 2001, ISBN: 0-78037044-9/ ©2001 IEEE, pp. 1256-1260.

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48. Laczkó J., Fazekas Cs., Kozmann Gy. (2000): Emberi karmozgások jellemzése az ízületi elfordulások közötti kapcsolat stabilitásával. A XXII Neumann Kollokvium Kiadványa. Szerk. Kozmann Gy. és Szakolczai K.pp.13 49. Laczkó J. (2000): Mozgásszabályozás (mozgáskoordináció). Egészségügyi informatika pp. 353-355. Szerk. Kékes E. Surján Gy. Balkányi L. Kozmann Gy. Medicina Könyvkiadó Rt., Budapest 2000. 50. Laczko J, Jaric S, Tihanyi J, VM. Zatsiorsky & Mark L. Latash (2000) “Components of the End-Effector Jerk during Voluntary Arm Movements” Journal of Applied Biomechanics V.16. pp 14-26, (IF: 0.508) 51. Laczkó J., Kozmann Gy., Tihanyi J. (2000): Quantitative characterisation of kinematic joint -synergies in limb movements. European Journal of Neurosciences, V. 12 Suppl. 11. p149. 52. Tihanyi J, Laczko J, Tihanyi T (1999): Fiber Distribution and rate of tension development. Proc. of the 4th Annual Congress of the European College of Sport Science. p. 71. 53. Laczko J., Herczegfalvi A. (1999): Modeling of control of human multi-joint movements. In: Archives of the Hungarian Medical Association of America. Vol 7. No.2. p.10 54. Sulica D., Laczko J., Walton K.D. (1999): Locomotion in neonatal rats during and after space flight. Soc. Neurosci. Abstr. Vol. 25, Part 1, p. 226. 55. Herczegfalvi A, Laczko J, Tihanyi J (1999): Joint rotations and muscle activities during healthy and dystonic arm movements. In: Progress in Motor Control II. p.88. Publ. The Pennsylvania State University, 56. Laczkó J. (1999) "Az emberi mozgás szabályozásának matematikai modelljei". Matematikai Lapok 1994/4: 47-64. Szerk. Bolyai János Matematikai Társaság. 57. Laczko J., Kozmann Gy., Herczegfalvi A. (1998): Izomaktivítások és a mozgás kinematikai jellemzői közti kapcsolat dystoniás gyerekek végtag-mozgásakor. A Számítástechnika orvosi és biológiai alkalmazásai. A XXI Neumann Kollokvium Kiadványa. Szerk. Kozmann Gy. és Szakolczai K.pp 53-54. 58. Herczegfalvi A., Szilagyi T., Laczko J. (1998). The Relation of Muscle Activties and Angular Changes in the Joints of Children with Limb Dystonia and Spasticity. Archives of the Hungarian Medical Association of America. Vol 6. No.2. pp 8-9 59. Laczko J., Kozmann Gy., Herczegfalvi A. (1998) Smoothness of reaching arm movements expressed by angular jerks. Proc. of the International Conference on Computational Intelligence and Neuroscience. Vol II. 88-90. 60. Laczkó J., Jaric S., Latash ML., Zatsiorsky VM. (1997): The relation between individual joint kinematics and the minimal jerk principle as applied to the hand during planar movements. Soc. Neurosci. Abstr. Vol 23, Part 2. p. 2089.

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61. Tihanyi J, Laczko J. (1997): Effect of neural factors on Force-Time curve characteristics. Soc. Neurosci. Abstr., Vol 23, Part 1., p.1050 62. Laczkó J, Szilágyi T, Toth Sz, Szabó E. (1997): Izületi szinergiák a célt elérő térbeli karmozgások esetén. Mozgásbiológiai konferencia. Agárd, 1997 okt. 10-11. Az MTE kiadv. p31. 63. Simon L, Laczko J, Papp Z, Zyma E (1996): 3D Computer Evaluation of free-fll test on unilaterally labyrinth-plugged rat. Journal of gravitational Physiology Vol. 3(2). pp 4647 64. Laczkó J., Tihanyi J. (1996): Constraints on angular velocities in the elbow and shoulder Joints during target tracking arm movements. Soc. Neurosci. Abstr. Vol 22, Part 3, p 1699. 65. Laczkó J. (1996): Mathematical algorithms for well coordinated control of neuroprstheses. A számítástechnika orvosi és biológiai alkalmazásai. A XX. Neumann Kollokvium Kiadványa. Szerk. Kozmann György, pp. 113-115. 66. Laczkó J., Tihanyi J. (1996): Natural joint-rotations applied in human arm-movement control. In: Biomechanics and Neural Control of Movement, Engineering Foundation Conference, June 1-6, 1996. Deer Creek, OH. pp. 48-49. 67. Laczkó J., Quintern J., Krafczyk S. (1996): Modeling of joint-rotations during line tracking arm movements. In: "Neuroprosthetics. From basic research to clinical application", Eds. A. Pedotti, M. Ferrarin, J. Quintern, Publ. Springer-Verlag, pp. 305314. 68. Laczkó J., Tihanyi J. (1996): Optimal choice of angular velocities in the elbow and shoulder joint during arm movement control. In: COMBIO96, Summer Workshop on Computational Modelling, Imaging and Visualization in Biosciences, Ed.:K. Tarnay, Z. Fazekas, KFKI 1996 -06/M-H report, pp. 77-79. 69. Laczkó J., Quintern J., Kovács I., Tihanyi J. (1996): Simulation of joint-rotations during human arm-movement control. In: Proc. of the 9th. International Conference on Mechanics in Medicine and Biology. Eds.: Miklavcic D., Bajd T., Stanic U., Munig M., ISBN 961-6210-03-3, pp. 383-386. 70. Laczkó J. (1995): Implications of rotational Kinematics on patterns of Line Tracking Arm Movements. In: Control of Ambulation using Functional Neuromuscular Stimulation. Ed.: P.H. Veltnik & HBK. Boom; Publ.: University of Twente, Enschede; ISBN90-365-0734-0, pp.65-69. 71. Laczkó J., Pozzo T. (1995). Izom-csont rendszerek biomechanikájának modellezése és a modellek alkalmazása az emberi mozgás szabályozásának optimalizálásában. Kétoldalú tudományos és technológiai együttmüköésk eredményeit összefoglaló évkönyv. OMFB. p.60. 72. Laczkó J. (1995): Computer simulation technique for studying human multi-joint movements. In: Computational Modeling and Imaging in Biosciences. Proceedings of the COMBIO'95 workshop. Ed.: Istvan Erenyi Hungarian Academy of Sci., I 42 – 44.

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73. Papaxhantis C., Pozzo T., Vinter A., Laczkó J. (1995): The influence of gravity on the control of vertical drawing movements. In: Computational Modeling and Imaging in Biosciences. Proceedings of the COMBIO'95 workshop. Ed. Istvan Erenyi Hungarian Academy of Sciences, KFKI 1995 -14/M-H report, pp.I37-I 41. 74. Laczkó J., Quintern S Glasauer (1994): Implications of Rotational Axes for Patterns of Pursuit Arm Movements Using a Predictive Geometric Model. In: Soc. Neurosci. Abstr. V.20, Part1, p.853 75. Simon L., Simon A., Laczkó J. (1994): New (?) Proposals for Cerebellar Studies, Soc. Neurosci. Abstr. Vol 20 Part 2 p 1744. 76. Laczkó J. (1994): Karmozgásminták függése mozgásvezérlő stratégiáktól és rejtett paraméterektől: klinikai teszt szimulációval. In: Rehabilitáció IV. 4. pp. 349-353. 77. Laczkó J., Quintern J. (1994): The Influence of Rotational Kinematics on Control of Arm Movements. In: Neural Prostheses: Motor Systems IV, Engineering Foundation Conference, Mt. Sterling, OH, p. 20. 78. Laczkó J., Quintern J. (1994): Predictive Computer Model of Smooth Pursuit Human Arm Movements. In: COMBIO94, Summer Workshop on The Computational Modelling in Biosciences, Ed.: I. Erenyi, I. Molnár, K.Tarnay, pp. 66-74, ISBN 963 8048 077. 79. Simon L. Simon A., Laczkó J., Sarkisian V. (1994): Multidimensional Approach to an Analogous Neuroprocessor, The Cerebellar Cortex. In: COMBIO94, Summer Workshop on the Computational Modelling in Bio-sciences, Ed. I.Erényi, I.Molnár, K.Tarnay, pp.58-65, ISBN 963-8048-077. 80. Labos E., Holden A.V., Laczkó J., Orzo L., Labos A.S. (1992): Fuzzy Operators and Cyclic Behaviour on Formal Neural Networks. In: North American Fuzzy Information Processing Soc.92. Proc. of a Conference in Puerto Vallarta, Mexico, 1992, NASA Conf. Publ. 10112, Vol. II. pp. 545-554. 81. Laczkó J., Krafczyk S., Brandt Th. (1992): Response of Neck Muscle Activities to Altered Gravity: Mathematical Model and Computer Simulation. In: The 15th Annual Meeting of the European Neurosci. Association. Suppl. No5. to J. Neuroscience. p. 209. 82. Droulez J., Laczkó J., Berthoz A. (1991): Three Dimensional Inersegmental Integrator of Eye Movements. Soc. Neurosci. Absts. 17/1:860. 83. Pellionisz B., LeGoff B., Laczkó J. (1991): Multidimensional Geometry Intrinsic to Head Movements around Distributed Centers of Rotation: A Neurocomputer Paradigm. In: The Head-Neck Sensory Motor System, Oxford Univ. Press, Eds.:A.Berthoz, W.Graf & PP.Vidal, pp.158-167. 84. Laczkó J., Klauber A., Molnár L. (1991): Application of a Mathematical Brain Theory in Rehabilitation of Spinalcord Injured Patients. In: Third Vienna Muscle Symp. Ed. G. Freilinger & M. Deutinger, pp.309-312. Wien Blackwell-MZV, ISBN 3-901158-02-2.

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85. Le Goff B., Laczkó J. (1990): The Drazin Generalized Inverse: A New Alternative for Multijointed Motor Control. In: International Neural Network Conference, Paris, Vol.1, p.512. IEEE. Kluwer Academic Publishers, ISBN 0-7923-0831-X. 86. Laczkó J., Le Goff B. (1990): Comparison of the Moore-Penrose and Drazin Generalized Inverses in Biological Coordinate System Transformations. In: International Joint Conference on Neural Networks, Washington DC 1990, pp. I. 98-101. Publ.: Lawrenvce Erlbaum Associates Inc. ISBN 0-8058-0775-6. 87. Laczkó J., Kerites P., Klauber A. (1989): The Use of the Tensor Network Theory for Funcional Neuromuscular Stimulation. Proc. 3rd Vienna International Workshop on Functional Electro stimulation. p.161, (ISBN 3-900928-01-0). In: Artificial Organs, Vol.14 Numb. 6. p.480. 88. Laczkó, J., Pellionisz, A., Jongen, H., Gielen, C.C.A.M. (1988): Computer Modeling of Human Forelimb Muscle Activation in Multidimensional Intrinsic Coordinate Frames. Soc. Neurosci. Absts. 14/2:955. 89. Laczkó, J., Pellionisz, A., J., Peterson, B.W., Buchanan, T.S. (1987): Multidimensional Sensorimotor "Patterns" Arising from a Graphics-Based Tensorial Model of the NeckMotor System. Soc. Neurosci. Abst.13. V.1. p. 372. 90. Lestienne, A., Liverneaux, P., Laczkó, J., Pellionisz, A. (1987): Tensor Model of the Musculo-Skeletal Head-Neck System of the Monkey. Proc. of IBRO II. World Congress, Neurosience Suppl. to Vol. 22, p.S658. 91. Laczkó, J. (1987): Coordinated Activation of Multijointed Artficial Limbs. SIAM Conference on Applied Geometry, Albany NY. p.47. Software: Szerzői jogvédett software (JG 11573/S/87): Sokkomponensű végtagok koordinált mozgását szimuláló kétdimenziós, grafikus program.

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