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Hans-Leo Teulings Hans-Leo Teulings is offline

IGS Website Manager (2007-..)

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Showing Visitor Messages 1 to 4 of 4
  1. Alberto Colorado
    2015-12-19 12:00 AM
    Alberto Colorado
    Do you know any software to measure handwritting as surfaces from texts captured by scanners?
  2. Hans-Leo Teulings
    2011-12-14 10:27 PM
    Hans-Leo Teulings
    test
  3. Xiaohong Chen
    2010-06-04 07:29 PM
    Xiaohong Chen
    hello~
  4. John Klein
    2009-05-11 07:07 PM
    John Klein
    Can you advise how/where we can obtain a copy of the presentation: "Is there a future for handwritten shorthand," which was given by Graham Leedham at the 2007 IGS conference.

    We are developing a new shorthand system, to be called DASH, to be used for manual writing as well as computer pen input.

    Thanks for any help. - John Klein jklein@jklein.com

About Me

  • Contact Information
    Name
    Hans-Leo Teulings, PhD
    Website(s)
    www.neuroscript.net
    Affiliation
    NeuroScript
    435 E Carson Dr, Tempe, AZ 85282,
    USA
  • Professional Experience and Achievements
    Fields of Interest
    Cognitive science, Computer science, algorithms, software, Development in Children, Aging and elderly, Drug effects on movement, Education, instruction, teaching methods, Experimental psychology, Forensic document analysis methods and tools, Remedial teaching, occupational therapy, re-education, writing systems for the handicapped, Letter design for cursive, print, italics, ..., Movement recording equipment, Motor control, accuracy, speed, learning, response preparation, reaction time, Neurological movement disorders, Neuropsychology, movement tests, Pen based interface design, computer mouse gesture movements, Psychiatry applications of handwriting and drawing, Signal analysis and digital time-series processing systems
    Biosketch
    Hans-Leo Teulings received a Masters in Experimental Physics and Biophysics in 1975 and a PhD in Experimental Psychology in 1988 from the University of Nijmegen (Radboud University) in The Netherlands. From 1976 to 1993, he conducted research on the motor-control aspects of handwriting in children and adults and on automatic online handwriting recognition at the Nijmegen Institute for Cognition and Information (NICI) together with Profs. Thomassen and Van Galen and in several European Research projects. From 1993 to 1997, he investigated the effects of aging and Parkinson's disease upon handwriting movements at the Motor Control Laboratory, Arizona State University, Tempe, Arizona, USA with Prof. Stelmach. In June 1997, he co-founded NeuroScript. NeuroScript is an independent research and development organization, funded by the National Institutes of Health. At NeuroScript, he leads the design, development, and testing of handwriting and fine-motor control analysis software and hardware for measuring, recording, processing, summarizing large databases, and analyzing. His goal is to develop a human movement-analysis system that is applicable in health care (psychiatry, neurology) and in education (handwriting instruction to primary-school children). Current projects include a handwriting-based system for psychiatrists to monitor extrapyramidal movement side effects due to schizophrenia medication. He has been involved with IGS since the very first beginning. In 1982, he co-organized with Prof. Dr. Thomassen the first International Graphonomics Society (IGS) conference. In 2003, he organized the 11th IGS conference in Scottsdale, Arizona, USA together with Dr. Van Gemmert. Since 2005, he iserves as secretary of the IGS.
    List of Publications
    Caligiuri, M.P., Teulings, H.L., Dean, C.E., Niculescu, A.B., Lohr, J.B. (2010). Handwriting Movement Kinematics for Quantifying EPS in Patients Treated with Atypical Antipsychotics Psychiatry Research (in press).

    Caligiuri, M.P., Teulings, H.L., Dean, C.E., Niculescu, A.B., Lohr, J.B. (2009). Handwriting Movement Analyses for Monitoring Drug-Induced Motor Side Effects in Schizophrenia Patients Treated with Risperidone. Human Movement Sciences, 28, 633-642.

    Saltuklaroglu T, Teulings HL, Robbins M. (2009). Differential levels of speech and manual dysfluency in adults who stutter during simultaneous drawing and speaking tasks. Hum Mov Sci., 28(5):643-654.

    Harralson, H.H., Teulings, H.L., Farley, B.G. (2007).
    Comparison of Handwriting Kinematics in Movement Disorders and Forgery.
    J.G. Phillips, D.Rogers, & R.P. Ogeil (Eds.). Proceedings of the 13th Biennial Conference of the International Graphonomics Society (IGS2007), 11-14 November 2007, Melbourne, VIC, Australia. ISBN 978-0-7326-4003-3. pp. 143-148.

    Caligiuri, M.P., Teulings, H.L., Dean, C.E., Niculescu, A.B., Lohr, J.B. (2007).
    Handwriting Movement Analyses For Monitoring Drug-Induced Motor Side Effects In Schizophrenia
    In J.G. Phillips, D.Rogers, & R.P. Ogeil (Eds.). Proceedings of the 13th Biennial Conference of the International Graphonomics Society (IGS2007), 11-14 November 2007, Melbourne, VIC, Australia. ISBN 978-0-7326-4003-3. pp. 75-78.

    Caligiuri MP, Teulings HL, Filoteo JV, Song D, Lohr JB.
    Quantitative measurement of handwriting in the assessment of drug-induced parkinsonism.
    Hum Mov Sci. 2006 Oct;25(4-5):510-22.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=16647772&dopt=citation


    Teulings, H.L., Czerepacha, H.T., Romero, D.H., Subramanian, R. (2005).
    Handwriting teaching tool for children.
    Proceedings of the 12th Biennial Conference of the International Graphonomics Society (pp 95-99) (IGS2005), 26-29 June 2005, Salerno, Italy. Civitella, Italy: Editrice Zona. ISBN 88-89702-13-3.

    Teulings, H.L. & Romero, D.H. (2003).
    Submovement analysis in learning cursive handwriting or block print.
    H.L. Teulings, Van Gemmert, A.W.A. (Eds.), Proceedings of the 11th Conference of the International Graphonomics Society (IGS2003), 2-3 November 2003, Scottsdale, Arizona, USA. ISBN 0-9746365-0-9. (p. 107-110).

    Teulings, H.L. & Van Gemmert, W.A. (2003).
    Goal-directed movements in menu selection in computer-user-interfaces.
    H.L. Teulings, Van Gemmert, A.W.A. (Eds.), Proceedings of the 11th Conference of the International Graphonomics Society (IGS2003), 2-3 November 2003, Scottsdale, Arizona, USA. ISBN 0-9746365-0-9. (p. 99-102).

    Romero, D.H., & Teulings, H.L. (2003).
    Submovement analysis in goal-directed movements.
    H.L. Teulings, Van Gemmert, A.W.A. (Eds.), Proceedings of the 11th Conference of the International Graphonomics Society (IGS2003), 2-3 November 2003, Scottsdale, Arizona, USA. ISBN 0-9746365-0-9. (p. 103-106).

    Adler, C.H., Van Gemmert, A.W.A., Teulings, H.L., Stelmach, G.E. (2003).
    A quantitative analysis of the production of the Archimedes spiral in Parkinson's disease patients and controls.
    H.L. Teulings, Van Gemmert, A.W.A. (Eds.), Proceedings of the 11th Conference of the International Graphonomics Society (IGS2003), 2-3 November 2003, Scottsdale, Arizona, USA. ISBN 0-9746365-0-9. (p. 119-122).

    Contreras-Vidal, J.L., Teulings, H.L., Stelmach, G.E., & Adler, C.H. (2002).
    Adaptation to changes in vertical display gain during handwriting in Parkinson's Disease Patients, Elderly and Young Controls.
    Parkinsonism and Related Disorders, 9, 77-84
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=12473396&dopt=citation


    Teulings, H.L., Contreras-Vidal, J.L., Stelmach, G.E., and Adler, C.H. (2002).
    Adaptation of Handwriting Size under Distorted Visual Feedback in Patients with Parkinson's Disease and Elderly and Young Controls.
    Journal of Neurology, Neurosurgery, and Psychiatry, 72, 315-324.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=11861687&dopt=citation


    Teulings, H.L. (2001).
    Optimization of Movement Duration in Accurate Handwriting Strokes in Different Directions in Young, Elderly, and Parkinsonian Subjects.
    In R.G.J. Meulenbroek and B. Steenbergen (Eds.), Proceedings of the 10th Biennial Conference of the International Graphonomics Society (pp. 40-45). Nijmegen, The Netherlands. ISBN 90 373 0583 0

    Van Gemmert, A.W.A., Teulings, H.L., & Stelmach, G.E. (2001).
    Parkinsonian patients reduce their stroke size with increased processing demands.
    Brain and Cognition, 47, 504-512.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=11748904&dopt=citation


    Contreras-Vidal, J.L., Van den Heuvel, C.E., Teulings, H.L., & Stelmach, G.E. (1999).
    Visuomotor adaptation in smokeless tobacco users.
    Nicotine & Tobacco Research, 1, 219-227.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=11072418&dopt=citation


    Van Gemmert, A.W.A., Teulings, H.L., Contreras-Vidal, J.L., Stelmach, G.E.
    (1999).
    Parkinson's disease and the control of size and speed in handwriting.
    Neuropsychologia, 37, 685-694.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=14617705&dopt=citation


    Contreras-Vidal, J.L., Teulings, H.L., & Stelmach, G.E. (1998).
    Elderly subjects are impaired in spatial coordination in fine motor control. Acta Psychologica, 100, 25-35.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=9844554&dopt=citation


    Contreras-Vidal, J.L., Poluha, P., Teulings, H.L., & Stelmach, G.E. (1998).
    Neural dynamics of short and medium-term motor control effects of levodopa therapy in Parkinson's disease.
    Journal of artificial intelligence in medicine, 13, 57-79.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=9654379&dopt=citation


    Poluha, P.C., Teulings, H.L., Brookshire, R.H. (1998).
    Handwriting and speech changes across the levodopa cycle in Parkinson's disease,
    Acta Psychologica, 100, 71-84.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=9844557&dopt=citation


    Van Gemmert, A.W.A., Teulings, H.L., & Stelmach, G.E. (1998).
    The influence of mental and motor load on handwriting movements in parkinsonian patients.
    Acta Psychologica, 100, 161-175.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=9844563&dopt=citation


    Van Den Heuvel, C.E., Van Galen, G.P., Van Gemmert, A.W.A. and H.L.
    Teulings (1998).
    Axial pen force increases with processing demands in handwriting.
    Acta Psychologica, 100, 145-159.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=9844562&dopt=citation


    Teulings, H.L., Contreras-Vidal, J.L., Stelmach, G.E., and Adler, C.H. (1997).
    Parkinsonism reduces coordination of fingers, wrist, and arm in fine motor control.
    Experimental Neurology, 146, 159-170.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=9225749&dopt=citation


    Helsper, E., Teulings, H.L., Karamat, E., & Stelmach, G.E. (1996).
    Preclinical Parkinson features in optically scanned handwriting.
    Simner, M., Leedham, G., Thomassen, A. (Eds.). Handwriting and drawing research: Basic and applied issues (pp 241-250). Amsterdam: IOS Press.

    Contreras-Vidal, J.L., Teulings, H.L., & Stelmach, G.E. (1996).
    A neural network model of movement production in Parkinson's disease and Huntington's disease.
    In J.A. Regia, R.S. Berndt, E. Ruppin (Eds.), Neuronal modeling of brain and cognitive disorders (pp. 377-392). Singapore: World Scientific Publishing.

    Contreras-Vidal, J.L., Teulings, H.L., & Stelmach, G.E. (1995).
    Micrographia in Parkinson's disease.
    Neuroreport, 6, 2089-2092.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=8580447&dopt=citation


    Gierhart, H.S., & Teulings, H.L. (1995).
    Teaching handwriting in the computer age.
    Proceedings of the 7th International Graphonomics Society Conference (pp. 58-59), London, Ontario, Canada, August 1995, ISBN 0-921121-14-8.

    Teulings, H.L. (1994).
    Invariant handwriting features useful in cursive script recognition.
    In S. Impedovo (Ed.), Fundamentals of handwriting recognition (pp. 178-189). Berlin: Springer.

    Helsper E., Schomaker, L.R., & Teulings, H.L. (1993).
    Tools for Recognition of Handwritten Historical Documents.
    History and Computing, 5, 88-93.

    Teulings, H.L., & Schomaker, L.R.B. (1993).
    Invariant properties between stroke features in handwriting. Acta Psychologica, 82, 69-88.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=8475777&dopt=citation


    Schomaker, L.R.B., & Teulings, H.L. (1992).
    Stroke- versus character-based recognition of on-line, connected cursive script. In S. Impedovo and J.C. Simon (Eds.), From pixels to features III: Frontiers in handwriting recognition (pp. 313-325). Amsterdam: North-Holland.

    Teulings, H.L., & Schomaker, L.R.B. (1992).
    Unsupervised learning of prototype allographs in cursive-script recognition using invariant handwriting features.
    In S. Impedovo and J.C. Simon (Eds.), From pixels to features III: Frontiers in handwriting recognition (pp. 61-74). Amsterdam: North-Holland.

    Teulings, H.L., & Stelmach, G.E. (1992).
    Simulation of impairment of force amplitude and force timing in Parkinsonian handwriting.
    In G.E. Stelmach & J. Requin, (Eds.), Tutorials in motor behavior II (pp. 425-442). Amsterdam: North-Holland.

    Teulings, H.L., & Stelmach, G.E. (1991).
    Control of stroke size, peak acceleration, and stroke duration in Parkinsonian handwriting.
    Human Movement Science, 10, 315-333.

    Teulings, H.L., & Stelmach, G.E. (1991).
    Force amplitude and stroke duration in Parkinsonian handwriting.
    In J. Requin, & G.E. Stelmach (Eds.), Tutorials in motor neuroscience (pp. 149-160). Dordrecht: Kluwer.

    Burton, A.W., Pick, H.L., Holmes, C., & Teulings, H.L. (1990).
    The independence of horizontal and vertical dimensions in handwriting with and without vision.
    Acta Psychologica, 75, 201-212.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=2288231&dopt=citation


    Schomaker, L.R.B., Thomassen, A.J.W.M., & Teulings, H.L. (1989).
    A computational model of cursive handwriting.
    In R. Plamondon, C.Y. Suen, & M. Simner (Eds.), Computer recognition and human production of handwriting (pp. 153-177). Singapore: World Scientific.

    Teulings, H.L., Thomassen, A.J.W.M., & Maarse, F.J. (1989).
    A description of handwriting in terms of main axes.
    In R. Plamondon, C.Y. Suen, & M. Simner (Eds.), Computer recognition and human production of handwriting (pp.
    193-211). Singapore: World Scientific.

    Stelmach, G.E., & Teulings, H.L. (1987). Temporal and spatial characteristics in repetitive movement.
    International Journal of Neuroscience, 35, 51-58.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=3623819&dopt=citation


    Teulings, H.L., Mullins, P.A., & Stelmach, G.E. (1986).
    The elementary units of programming in handwriting.
    In H.S.R. Kao, G.P. Van Galen, & R. Hoosain (Eds.), Graphonomics: Contemporary research in handwriting (pp. 21-32). Amsterdam: North-Holland.

    Teulings, H.L., Thomassen, A.J.W.M., & Van Galen, G.P. (1986).
    Invariants in handwriting: The information contained in a motor program.
    In H.S.R. Kao, G.P. Van Galen, & R. Hoosain (Eds.), Graphonomics: Contemporary research in handwriting (pp. 305-315). Amsterdam: North-Holland.

    Thomassen, A.J.W.M., & Teulings, H.L. (1985).
    Time, size, and shape in handwriting: Exploring spatio-temporal relationships at different levels.
    In J.A. Michon & J.B. Jackson (Eds.), Time, mind, and behavior (pp. 253-263).
    Heidelberg: Springer.

    Stelmach, G.E., Mullins, P.A., & Teulings, H.L. (1984).
    Motor programming and temporal patterns in handwriting.
    In J. Gibbon & L. Allan (Eds.), Timing and Time Perception, 423 (pp. 144-157). New York: Annals of the New
    York Academy of Sciences.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=6588780&dopt=citation


    Teulings, H.L., & Maarse, F.J. (1984).
    Digital recording and processing of handwriting movements.
    Human Movement Science, 3, 193-217.

    Thomassen, A.J.W.M., & Teulings, H.L. (1984).
    The development of directional preference in writing movements.
    In W.B Barbe, V.H. Lucas, & T.M. Wasylyk (Eds.), Handwriting: Basic skills for effective communication (pp. 367-376). Columbus, Ohio: Zaner-Bloser.

    Calis, G.J.J., Teulings, H.L., & Keuss, P.J.P. (1983).
    In search of writing and reading habits in the microgenetic phase of letter recognition.
    Acta Psychologica, 54, 313-326.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=6666654&dopt=citation


    Pick, H.L., Jr., & Teulings, H.L. (1983).
    Geometric transformations of handwriting as a function of instruction and feedback.
    Acta Psychologica, 54, 327-340.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=6666655&dopt=citation


    Soevik, N., & Teulings, H.L. (1983).
    Real-time feedback of handwriting in a teaching program.
    Acta Psychologica, 54, 285-291.

    Stelmach, G.E., & Teulings, H.L. (1983).
    Response characteristics of prepared and restructured handwriting.
    Acta Psychologica, 54, 51-67.

    Teulings, H.L., Thomassen, A.J.W.M., & Van Galen, G.P. (1983).
    Preparation of partly precued handwriting movements: The size of movement units in writing.
    Acta Psychologica, 54, 165-177.

    Thomassen, A.J.W.M., & Teulings, H.L. (1983).
    Constancy in stationary and progressive handwriting.
    Acta Psychologica, 54, 179-196.

    Thomassen, A.J.W.M., & Teulings, H.L. (1983).
    The development of handwriting.
    In M. Martlew (Ed.), The psychology of written language:
    Developmental and educational perspectives (pp. 179-213). New York: Wiley.

    Van Galen, G.P., & Teulings, H.L. (1983).
    The independent monitoring of form and scale parameters in handwriting.
    Acta Psychologica, 54, 9-22.

    Soevik, N., Arntzen, O., & Teulings, H.L. (1982).
    Interactions among covert process parameters in handwriting motion and related graphic production.
    Journal of Human Movement Studies, 8, 103-122.

    Teulings, H.L., & Thomassen, A.J.W.M. (1979).
    Computer-aided analysis of handwriting movements.
    Visible Language, 13, 218-231.
    Abstract - http://trex.id.iit.edu/visiblelanguage/VLCatalogueSearch/VLChronologicalTables/VolumeAbstracts13.html#computeraidedana


    Thomassen, A.J.W.M., & Teulings, H.L. (1979).
    The development of directional preference in writing movements.
    Visible Language, 13, 299-313.
    Abstract - http://trex.id.iit.edu/visiblelanguage/VLCatalogueSearch/VLChronologicalTables/VolumeAbstracts13.html#directionalprefe


    Meijers, L.M.M., Teulings, H.L., & Eijkman, E.G.J. (1976).
    Model of the electromyographic activity during brief isometric contractions. Biological
    Cybernetics, 25, 7-16.
    Abstract - http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=text&db=pubmed&uid=999968&dopt=citation
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    HLT (Reach me by searching: NeuroScript, Tempe, AZ 85282, USA. Tel +1-480-350 9200)

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