Ulrich G. Hofmann


Former Research Associate

Contact


Prof. Dr. rer.nat. Ulrich G. Hofmann
Biosignal Processing and Neuro-Engineering
Institute for Signal Processing
University of Lübeck
Ratzeburger Allee 160
D-23562 Lübeck

E-Mail:

Research Interests


HUMAN-MACHINE-INTERFACING

NEURO-ENGINEERING

 

Goal: Bridging the gap between experimental and simulation approaches for the neuro- and medical sciences.

• Novel high-performance and realtime data acquisition systems for many channels (and neurons).

• Realtime visualization, analysis and data mining in huge neuronal data volumes.

• Modelling of big realistic neuron networks.

 

CV


2008 Professor, University of Lübeck

2008 Call for a professorate in Biomedical Engineering/Neural Engineering, Reykjavik University, Iceland

2007 Co-Founder of "pro-MedTec GmbH", Lübeck, medical robotics

2005/06 Co-Author "Graduate School Lübeck", DFG-Exzellenzinitiative

2003 Habilitation in Computer Science

1999-2000 Member of the Board of Directors of BioTuL AG, München, Germany

since 1999    Research Associate, University of Lübeck

1997-1998 Postdoctoral Scholar, Feodor-Lynen-Fellow, Division of Biology, California Institute of Technology, Pasadena, CA. "Technology for multisite neuronal recordings"

1996 Research Associate, HCM-Fellow, Institutionen för Fysikalisk Kemi, Åbo Akademi, Turku, Finland. "Ultra-microscopy and surface functionalization of semiconducors"

1993-1996 Research Assistant; Physics Department, Technische Universität München.

Biosensors, ultra-microscopy, ultra-thin films, bio-functionalization, cell culture

1993-1994 Co-founder and part-time manager of the scientific services company MiNT, München

1992-1993 Graduation in Physics, Diploma. Technische Universität München.

Thesis: " Polymerizable diacetylene lipids on the air/water interface"

1987-1992 Undergraduate studies in Technical Physics, Technische Universität München. Specializing in medical electronics and medical radiological physics.

1985-1987 Officer track in the German Army medical service

 

1985 High School Graduation

 

Publications


2015

  • Jul 2015
    Almajidy, R. K., Led, K. S., and Hofmann, U. G.: Novel near infrared sensors for hybrid BCI applications. Proceedings of SPIE, vol. 9536, 2015
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2014

  • Feb 2014
    Almajidy, R. K., Kirch, R. D., Christ, O., and Hofmann, U. G.: Estimating the Spatial Resolution of fNIRS Sensors for BCI Purposes. Design and Performance Validation of Phantoms Used in Conjunction with Optical Measurement of Tissue VI, Nordstrom, R. J., Bouchard, J., and Allen, D. W. (Ed.), SPIE, San Francisco, California, United States, Proc. of SPIE, vol. 8945, February 2014
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2013

  • Jun 2013
    Almajidy, R. K. and Hofmann, U. G.: On the design of a multi-channel NIR system to monitor functional brain activity. Proceedings NIR 2013 16th International Conference on Near Infrared Spectroscopy, IRSTEA – France Institut National de recherche en sciences et technologies pour l’environnement et l’agriculture, La Grande-Motte, France, pp. 335-338, Jun 2-7 2013
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2012

  • Sep 2012
    Xie, Y., Chen, L., and Hofmann, U. G.: Reduction of periodic noise in Fourier domain optical coherence tomography images by frequency domain filtering. Proceedings of Biemed Tech 2012; 57 (Suppl. 1), the 46th DGBMT Annual Meeting in Jena, 2012
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  • Sep 2012
    Oung, S., Pohl, B. M., and Hofmann, U. G.: Preliminary design of a tendon-based anthropomorphic robotic hand. DGBMT, Jena, Germany, Sep. 2012
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  • Sep 2012
    Pohl, B. M., Jungmann, J. O., Christ, O., and Hofmann, U. G.: Automated drill-stop by SVM classified audible signals. 34th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, San Diego CA, USA, Sep. 2012
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2011

  • Sep 2011
    Murschall, C., Pohl, B. M., and Hofmann, U. G.: Shuttle supported insertion of polyimid microprobes - Targeting precision in a translucent brain model,. DGBMT, Freiburg, Deutschland, Oct. 2011
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  • Apr 2011
    Pohl, B. M., Schumacher, A., and Hofmann, U. G.: Towards an automated, minimal invasive, precision craniotomy on small animals. IEEE EMBS 5th Conference on Neural Engineering, Cancun, Mexico, Apr. 2011
    BibTeX
  • Jan 2011
    Hazrati, M. K., Subramanian, V., and Hofmann, U. G.: A Four-Class Brain Computer Interface for Robot Control. ISSNIP Biosignals and Biorobotic Conference, Vitoria, Brazil, January 2011
    BibTeX Website

2010

  • Nov 2010
    Olamat, A. E., Nkemasong, N., Pohl, B. M., and Hofmann, U. G.: Physical and FEM Simulation of Microprobe Insertion into Rat Brain. European Comsol Conference, Paris, France, Nov. 2010
    BibTeX
  • Oct 2010
    Hammad, S., Löffler, S., Mankodiya, K., Krapohl, D., Pohl, B. M., Moser, A., Tronnier, V., and Hofmann, U.: Niotrode Array for Rodent Brain Recording. DGBMT, Rostock, Deutschland, Oct. 2010
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  • Jul 2010
    Mankodiya, K., Hassan, Y. A., Christ, O., Chamadiya, B., and Hofmann, U. G.: A miniaturized regional cerebral oximeter based on a smartphone processor. Biosignal 2010, Berlin, Series A miniaturized regional cerebral oximeter based on a smartphone processor, 2010
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  • Jun 2010
    Xie, Y., Bonin, T., Löffler, S., Hüttmann, G., Tronnier, V., and Hofmann, U.: Fiber spectral domain optical coherence tomography for in-vivo rat brain imaging. SPIE's Photonics Europe (EPE10), Dössel, O. (Ed.), Brussels, Series Fiber spectral domain optical coherence tomography for in-vivo rat brain imaging, 2010
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  • Jun 2010
    Hazrati, M., Erfanian, A., and Hofmann, U.: Extracted fractal components from electroencephalogram signal as features In brain computer interface. EURASIP Conference Biosignal 2010, Brno, Czech Republic, Series Extracted fractal components from electroencephalogram signal as features In brain computer interface, 2010
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2009

  • Dec 2009
    Gehring, H., Westrup, z. L. M., Boye, S., Opp, A., and 26-00, P. S. P. U. . H. V. 1. (.: Transcranial doppler, EEG and SEP monitoring. Applied Cardiopulmonary Pathophysiology, vol. 13, no. 3, pp. 224-236, 2009
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  • Oct 2009
    Krapohl, D. and Hofmann, U. G.: Microstimulation in The Brain – Does microdialysis influence the activated tissue volume?. Proceedings of the European Comsol Conference, Milano. Italy, October 2009
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  • Sep 2009
    Hofmann, U. G., Michalski, T., Tronnier, V., and Bonsanto, M. M.: Personalized Pain Diary on a Handheld Device. IFMBE Proceedings of the World Congress on Medical Physics and Biomedical Engineering, Springer, vol. 25, no. I-XIII, 2009
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  • Sep 2009
    Opp, A., Hofmann, U. G., Boye, S., Dibbelt, L., and Gehring, H.: A Sensor for the Non-invasive Determination of Hemoglobin in Sampling Tubes. IFMBE Proceedings of the World Congress on Medical Physics and Biomedical Engineering, Springer, vol. 25, no. I-XIII, 2009
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  • Sep 2009
    Kipshagen, T., Graw, M., Tronnier, V., Bonsanto, M., and Hofmann, S. 2. 2. U. G.: Touch- and marker-free interaction with medical software. IFMBE Proceedings of the World Congress on Medical Physics and Biomedical Engineering, Springer, vol. 25, no. I-XIII, 2009
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  • Sep 2009
    Nwe, T. H., Condurache, A. P., Simon, M., Mertins, A., and Hofmann, U.: Quantification of uterine peristalis in cine-MR images by block matching and optical flow. 11th International Congress of the IUPESM - Medical Physics and Biomedical Engineering World Congress, München, Sept. 2009
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  • Aug 2009
    Klostermann, M., Christ, O., Mankodiya, K., Vogt, S., and Hofmann, U. G.: OMAP3 based signal processing for biomedical engineering teaching. EUSIPCO 2009, Glasgow, Scotland, Aug 24-28 2009
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  • Jul 2009
    Mankodiya, K., Vogt, S., Kundu, A., Klostermann, M., Pohl, J., Ayoub, A., Gehring, H., and Hofmann, U. G.: Portable electrophysiologic monitoring based on the OMAP-family processors from a beginners prospective. IEEE-DSP 2009, Santorini, Greece, July 5-7 2009
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  • May 2009
    Mankodiya, K., Krapohl, D., Hammad, S., Xie, Y., Klinger, M., and Hofmann, U. G.: A simplified production method for multimode multisite neuroprobes. Intern‘l Conference on Neural Engineering 2009, Antalya, Turkey, 2009
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  • Mar 2009
    Cirit, S., Penders, J., Ashouei, M., Hulzink, J., Nil, d. M., Huisken, J., and Hofmann, U. G.: Development of Real-Time EEG Application on an Ultra-Low-Power DSP. International Symposium on Code Generation and Optimization (CGO) -ODES: Workshop on Optimizations for DSP and Embedded Systems, Seattle, 2009
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  • Jan 2009
    Ramrath, L., Vogt, S., Jensen, W., Schweikard, A., and Hofmann, U.: Robot-Assisted Electrophysiological Brain Mapping: A feasibility study. Biomedizinische Technik / Biomedical Engineering, vol. 54, no. 1, pp. 8-13, Jan. 2009
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2008

  • Dec 2008
    Darolti, C., Bodensteiner, C., Mertins, A., and Hofmann, U. G.: Local Region Descriptors for Active Contours Evolutions. IEEE Transactions on Image Processing, vol. 17, no. 12, pp. 2275-2288, 2008
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  • Dec 2008
    Melzer, A., Bushman, B., and Hofmann, U.: When Items Become Victims: Brand Memory in Violent and Nonviolent Games. ICEC 2008 - 7th International Conference on Entertainment Computing, SPringer, Pittsburgh, vol. Lecture Notes in Computer Science - Entertainment Computing, |2008|
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  • Nov 2008
    Bleil, M., Linder, R., Opp, A., Boye, S., Gehring, H., and Hofmann, U.: Online-Classification of Capnographic Curves Using Artificial Neural Networks. ECIFMBE 2008- IFMBE Proceedings, Sloten, J. V., Verdonck, P., Nyssen, M., and Haueisen, J. (Ed.), IFMBE Proceedings ISSN, Antwerp, vol. 22, pp. 1096-1099, 2008
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  • Nov 2008
    Chamadiya, B., Heuer, S., Hofmann, U., and Wagner, M.: Towards a capacitively coupled electrocardiography system for car seat integration. ECIFMBE 2008- IFMBE Proceedings, Sloten, J. V., Verdonck, P., Nyssen, M., and Haueisen, J. (Ed.), IFMBE Proceedings ISSN, Antwerp, vol. 22, pp. 1217-1221, 2008
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  • Nov 2008
    Löffler, S., Vogt, S., Hofmann, U. G., and Moser, A.: Striatal microstimulation in awake animals depends on NMDA receptor activity. Biomed. Technik / Biomedical Engineering, vol. 53, no. Supp 1, pp. 241-243, |2008|
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  • Nov 2008
    Krapohl, D., Bonin, T., Gebhardt, A., Mankodiya, K., and Hofmann, U. G.: A new integrated optical and electrophysiological sensor. Biomed. Technik / Biomedical Engineering, vol. 53, no. Supp 1, pp. 126-128, |2008|
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  • Sep 2008
    Ramrath, L., Pohl, B. M., Loeffler, S., Mankodiya, K., Xie, Y., Hofmann, U. G., and Schweikard, A.: Single Fibre Optical Coherence Tomography for Brain Imaging - a Preliminary in Vitro Study. CURAC 2008 Proceedings der 7. Jahrestagung der Deutschen Gesellschaft für Computer- und Roboterassistierte Chirurgie., Leibzig, Deutschland, Oct. 2008
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  • May 2008
    Maciak, A., Seidel, G., Meyer-Wiethe, K., Kier, C., and Hofmann, .. U.: Bolus Harmonic Imaging zur automatischen Erkennung ischämiebedingter Perfusionsdefizite im Gehirn. Ultraschall in der Medizin, vol. 29, pp. --, 2008
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2007

  • Sep 2007
    Maciak, A., Kier, C., Seidel, G., Meyer-Wiethe, K., Hofmann, U., and Aach, T.: Robuste Ermittlung parametrischer Bilder für die Ultraschall-Perfusionsbildgebung basierend auf einem Modell der Boluskinetik von Kontrastmitteln. Biomedizinische Technik. Ergänzungsband., vol. 52, , 2007
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  • Sep 2007
    Hiller, A., Loeffler, S., Haupt, C., Litza, M., Hofmann, U. G., and Moser, A.: Electrical High Frequency Stimulation Induces GABA Outflow in Freely Moving Rats. J. Neurosci. Methods, vol. 159, no. 2, pp. 286-290, 2007
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  • Sep 2007
    Mankodiya, K., Ayoub, A., Vogt, S., Opp, A., Gönne, M., Linder, R., Gehring, H., and Hofmann, U. G.: A design study on a multisensory cerebral monitor. BMT 2007, de Gruyter, Aachen, 2007
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  • Sep 2007
    Moshidis, E., Matthäus, L., Besirevic, A., Schulz, R., Tronnier, V., Bonsanto, M. M., and Hofmann, U. G.: Navigated intraoperative ultrasound imaging system. BMT 2007, de Gruyter, Aachen, 2007
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  • Aug 2007
    Darolti, C., Mertins, A., and Hofmann, U. G.: A Fast Level-Set Method for Accurate Tracking of Articulated Objectswith An Edge-Based Binary Speed Term. Advanced Concepts for Intelligent Vision Systems, Jacques Blanc-Talon, W. P. D. P. u. P. S. (Ed.), Springer, Lecture Notes in Computer Science, no. 4678, pp. 828-839, August 2007
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  • Jul 2007
    Maciak, A., Kier, C., Seidel, G., Meyer-Wiethe, K., and Hofmann, U. G.: Detecting Stripe Artifacts in Ultrasound Images. Journal of Digital Imaging, 2007
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  • Jul 2007
    Darolti, C., Bouchard, R., Farke, S., Condurache, A. P., and Hofmann, U.: Measurement of Surgical Motion with a Marker Free Computer Vision Based System. International Journal of Computer Assisted Radiology and Surgery, vol. 2, S1, , 2007
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  • Jun 2007
    Kier, C., Cyrus, C., Seidel, G., Hofmann, U. G., and Aach, T.: Segmenting the substantia nigra in ultrasound images for early diagnosis of Parkinson s disease. International Journal of Computer Assisted Radiology and Surgery, vol. 2, no. S1, pp. S83-S85, June 2007
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  • May 2007
    Gritsun, T., Engler, G., Moll, C., Engel, A., Kondra, S., and Hofmann, L. R. U. G.: A simple microelectrode bundle for deep brain recordings. 3rd Int'l Conference on Neural Engineering, Akay, M. (Ed.), IEEE, Hawaii, USA, 2007
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  • May 2007
    Jensen, W., Yoshida, K., and Hofmann, U. G.: In vivo implant mechanics of single-shaft microelectrodes in peripheral nervous tissue. 3rd Int'l Conference on Neural Engineering, Akay, M. (Ed.), IEEE, Hawaii, USA, 2007
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  • Mar 2007
    Maciak, A., Kier, C., G., S., Meyer-Wiethe, K., and Hofmann, .. G.: Automatische Erkennung von Ischämien mit Bolus Harmonic Imaging: Bildverarbeitung für die Medizin 2007, Springer-Verlag, München, pp. 81-86, 25-27 March 2007
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  • Feb 2007
    Condurache, A. P., Hahn, T., Scharfschwerdt, M., Misfeld, M., Hofmann, U. G., and Aach, T.: Automatic measuring of quality criteria for heart valves.,. Medical Imaging 2007: Image Processing,, SPIE,, San Diego, CA,, February 17-22, 2007
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2006

  • Aug 2006
    Hofmann, U., Folkers, A., Mösch, F., Malina, T., Menne, K., Kindlundh, M., Thomas, U., Hoehl, D., Biella, G., Schutter, E. D., Fagerstedt, P., Yoshida, K., Jensen, W., Norlin, P., and Curtis, d. M.: A novel high channel-count system for acute multi-site neuronal recordings. , 2006
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  • Jun 2006
    Darolti, C. and Hofmann, U.: Computer-Vision based measurement of hand motion:
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  • May 2006
    W. Jensen, K. Y. U. H.: Implant Mechanics of ACREO Silicon Electrodes in Rat Cerebral Cortex:
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  • May 2006
    T. Gritsun, M. L. A. H. A. M. U. H.: Semichronic, collocated deep brain stimulation and multisite recording in rats:
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  • May 2006
    Hofmann, U., Moll, C., Engler, G., Engel, A., Bör, D. H. M., Thomas, U., and Detemple, P.: Multisite Microelectrodes for use in Human Deep Brain Stimulation. , 2006
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  • Apr 2006
    F. Eberhardt, H. B. M. L. U. H. H. S. U. W.: Atrial Near-Field and Ventricular Far-Field Analysis by Automated Signal Processing at Rest and During Exercise:
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2005

  • Oct 2005
    Hofmann, U. G.: Human Computer Interfacing, Deep Brain Stimulation, Signalverarbeitung:
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  • Sep 2005
    Condurache, A. P., Essah, E., Reske, A., Seiwerts, M., Busse, H., Aach, T., and Hofmann, U.: Robust rib cage segmentation in CT image series using active contour models.. Proceedings of BMT-2005, VDE, Nürenberg, Germany, pp. 421--422, September 14--16 2005
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  • Sep 2005
    O. Christ, S. O. E. B. and Hofmann, U.: Towards the detection of microsleep events in a driving simulator:
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  • Sep 2005
    F. Ahmad, S. K. S. N. H. M. U. H. and Gehring, H.: Identifying different patterns of capnographic curves on ventilated and spontaneously breathing patients:
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  • Sep 2005
    S. Abuarqub, G. B. C. S. U. H. and Sanguineti., V.: A method for evaluating the effectiveness of medications prescribed for Intention Tremor in Patients with Multiple Sclerosis:
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  • Sep 2005
    F. Ahmed, S. K. and Hofmann, U.: A wireless body area network for multichannel EMG recordings:
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  • Sep 2005
    M.G. Litza, A. H. A. M. and Hofmann, U.: Deep brain stimulation and synchronous neurotransmitter detection.:
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  • Sep 2005
    S. Kondra, C. Y. F. A. and Hofmann, U.: Prototype of a Patient Monitoring Device based on an embedded RISC/DSP system:
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  • May 2005
    Madany Mamlouk A, S. H. M. K. H. U. M. T.: Unsupervised spike sorting with ICA and its evaluation using GENESIS simulations: Neurocomputing 65-66, 275-282
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  • Apr 2005
    S. Kondra, K. M. M. K. S. K. U. H.: A small network with huge artificially grown pyramidal cells:
    BibTeX Poster
  • Mar 2005
    O.P. Burmeister, M. L. A. C. M. N. U. H.: Synchronous stereo-video and biosignal recording – a basic setup for Human-Computer-Interface applications:
    BibTeX PDF Poster

2004

  • Sep 2004
    Jannasch, S. R. K. N. M. and Hofmann, U. G.: Recording electromyographic signals in a classical conditioning experiment: Short Article and Poster, Jahrestagung der DGBMT, Ilmenau, Schiel&Schön
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  • Aug 2004
    Menne K, H. U.: Neurowissenschaftliche Datenbanken - eine Herausforderung: Datenbank Spektrum 10: 5-13.
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  • Jun 2004
    Knopp, U. W. J. D. T. K. J. M. B. K. Y. and Hofmann, U. G.: Compression of the cerebral cortex during corticotomy: A study of dimpling in rats.: Abstract and Poster; 55. Ann' Jahrestagung der Deutschen Gesellschaft für Neurochirurgie, Köln, gms German Medical Sciences.
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  • Apr 2004
    Menne KML, H. U.: Enhancement of the benefits of intraoperative electrophysiological recordings during framebased stereotactic surgeries by customized signal analysis: Talk and Abstract, 55. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie, Köln, Abstracts, MI.03.02.
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  • Feb 2004
    Kindlundh, M., Norlin, P., and Hofmann, U.: A neural probe process enabling variable electrode configurations. Sensors & Actuators B: Chemical, vol. 102/1, pp. 51-58
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  • Jan 2004
    Hofmann, U. G., Bär, M., Detemple, P., Kindlundh, M., and Norlin, P.: Acute Multisite Recording Probes for Neurons in Mice and Men. mstNews, pp. 14-16, 2004
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2003

  • Dec 2003
    Folkers, A., Jannasch, S., and Hofmann, U. G.: Lifting Scheme - an alternative to wavelet transforms for real time applications. GlobalDSP Magazine, pp. 3-6, 2003
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  • Dec 2003
    Hofmann, U. G.: Technologien und Methoden für die akute, neuronale Vielfach-Ableitung Mikrostrukturtechnik, Datenaufnahme und Signal-Analyse in Echtzeit auf dem Weg zur direkten Gehirn-Maschine-Kopplung: , 2003
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  • Sep 2003
    Menne, K. M. L., Folkers, A., Schuhart, H., and Hofmann, U. G.: Neurosurgery by Multichannel Electrophysiology, Patient Specific Navigation, and Customized Database. Poster and Biomedizinsiche Technik, vol. 48 (E1), pp. 500-501, 2003
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  • Sep 2003
    Eberhardt, F., Bode, F., Hofmann, U. G., Lipphardt, M., and Wiegand, U. K. H.: Kontinuierliche Analyse atrialer Elektrogramme von DDD-Schrittmachern in Ruhe und unter Belastung mittels automatischer Signalverarbeitung. Herzschrittmachertherapie & Elektrophysiologie, vol. 14 (Supp1), pp. 86-87, 2003
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  • Jul 2003
    Folkers, A., Stemman, H., Menne, K. M. L., Norlin, P., Kindlundh, M., and Hofmann, a. W. F. U. G.: Realtime wavelet-based clustering for a 64 channel multisite recording system. Poster and Abstract, CNS*2003, Alicante, 2003
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  • Jul 2003
    Kindlundh, M., Norlin, P., and Hofmann, U. G.: On-demand neural probes. Transducers 03 - The 12th Int Conference on Solid State Sensors, Actuators and Microsystems, 2003
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  • Jul 2003
    Mamlouk, A. M., Chee-Ruiter, C., Hofmann, U. G., and Bower, J. M.: Quantifying Olfactory Perception: Mapping Olfactory Perception Space by using Multidimensional Scaling and Self-Organizing Maps. Neurocomputing, vol. 52-54, pp. 591-597, 2003
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  • Jul 2003
    Folkers, A., Mösch, F., Malina, T., and Hofmann, U. G.: Realtime bioelectrical data acquisition and processing from 128 channels utilizing the Wavelet-Transformation. Neurocomputing, vol. 52-54, pp. 247-254, 2003
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  • Jul 2003
    Jensen, W., Hofmann, U. G., and Yoshida, K.: Assessment of subdural insertion force of single-tine microelectrodes in rat cerebral cortex. 25th Ann. Int. Conf of the IEEE Engineering in Medicine & Biology Society, Cancun, Mexico, pp. 2168-2171, 2003
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2002

  • Oct 2002
    P. Norlin, M. K. U. H.: Probe suitable for use in neural tissue: Swedish Patent Pending 2002 , European Patent Pending EP 1389442 A1, Universität zu Lübeck: Germany.
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  • Oct 2002
    Hofmann, U. G., Knopp, U., Modersitzki, J., and Fischer, B.: Navigationshilfsvorrichtung für neurochirurgische Eingriffe am menschlichen Gehirn: , 2002
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  • Sep 2002
    Hofmann, U. G., Folkers, A., Mösch, F., Höhl, F., Kindlundh, M., and Norlin, P.: A 64(128)-channel multisite neuronal recording system. Biomedizinische Technik, vol. 47(E 1), pp. 194-197, 2002
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  • Sep 2002
    Hofmann, U. G., Jensen, W., Yoshida, K., Kindlundh, M., and Norlin, P.: Silizium-Vielfachsonden für die Neurowissenschaften. FOCUS MUL, vol. 19, no. 3, pp. 132-139, 2002
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  • Jul 2002
    Schuhart, H., Menne, K. M. L., and Hofmann, U. G.: GROGRA and GENESIS: in computo grown neurons used for realistic compartmental modeling. Poster and Abstract, CNS2002, Chicago, 2002
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  • Jul 2002
    Menne, K. M. L., Maex, R., and Hofmann, U. G.: Biologically realistic simulated extracellular potential data as benchmark for the evaluation of spike detection algorithms. Poster and Abstract, CNS2002, Chicago, 2002
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  • Jul 2002
    Menne, K. M. L., Folkers, A., Malina, T., Maex, R., and Hofmann, U. G.: Test of spike sorting algorithms on the basis of simulated network data. Neurocomputing 44-46, vol. 44-46, pp. 1119-1126, 2002
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  • Jul 2002
    Biella, G. R., Uva, L., Hofmann, U. G., and deCurtis, M.: Intrinsic and associative synaptic circuit in the temporal neocortex, and enotrhinal cortex: an intra- and extracellular electrophysiological study. Forum of European Neurosciences - Abstracts, Paris, 2002
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  • Jul 2002
    Fagerstedt, P., Volny-Luraghi, A., Kindlundh, M., Norlin, P., Hofmann, U., and DeSchutter, E.: A new type of silicon probes with multi-site microelectrodes for unit and local field potential (LFP) recordings from cerebellar cortex of anesthetized rats. Forum of European Neurosciences - Abstracts. 2002, Paris, 2002
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  • Jul 2002
    Menne, K. M. L., R, R. M., and Hofmann, U. G.: A realistical simulation of a small CA3 network to benchmark spike sorting algorithms and feature detection. Poster and Abstract, Forum of European Neurosciences, Paris, vol. Abstr. vol.1, A090.12, 2002
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  • Jun 2002
    Norlin, P., Kindlundh, M., Mouroux, A., Yoshida, K., Jensen, W., and Hofmann, U. G.: A 32-site neural recording probe fabricated by DRIE of SOI substrates. J. Micromechanics Microeng., vol. 12, pp. 414-419, 2002
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  • Jun 2002
    Lipphard, M., Eberhardt, F., and Hofmann, U. G.: A Matlab program to quantify low-SNR pacemaker signals. IFMBE - 12th Nordic Baltic Conference on Biomedical Engineering and Medical Physics., Reykjavik, 2002
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  • Jun 2002
    Malina, T., Folkers, A., and Hofmann, U. G.: Real-time EEG processing based on Wavelet Transformation. IFMBE - 12th Nordic Baltic Conference on Biomedical Engineering and Medical Physics, Reykjavik, 2002
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  • May 2002
    Biella, G., Uva, L., Hofmann, U. G., and deCurtis, M.: Associative interactions within the superficial layers of the entorhinal cortex of the guinea pig. J. Neurophysiology, vol. 88, no. 3, pp. 1159-1165, 2002
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  • May 2002
    Kindlundh, M., Norlin, P., and Hofmann, U. G.: Development of multisite microelectrodes for neuroscience. Proceedings of the Micro Structure Workshop MSW 02, Aronsborg, Sweden, pp. B8.1-B8.6, 2002
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  • Mar 2002
    Menne, K. M. L., Malina, T., and Hofmann, U. G.: Biologically realistic simulation of a part of hippocampal CA3: Generation of testdata for the evaluation of spike detection algorithms. 5th German Workshop on Artificial Life - Abstracting and Synthesizing the Principles of Living Systems, Polani, D., Kim, J., and Martinetz, T. (Ed.), IOS Press Infix, Lübeck, pp. 17-25, 2002
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2001

  • Sep 2001
    Malina, T., Folkers, A., Mösch, F., Labusch, K., Schürmann, M., and Hofmann, U. G.: An integrated system to trigger feedback-coupled event related brain potentials (ERPs). Biomedizinsche Technik, vol. 46, no. E1, pp. 322-323, 2001
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  • Sep 2001
    Yoshida, K., Jensen, W., Norlin, P., Kindlundh, M., and Hofmann, U. G.: Characterization of silicon microelectrodes from the EU VSAMUEL project. Biomedizinsche Technik, vol. 46, no. E1, pp. 446-447, 2001
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  • Sep 2001
    Britt, D. W., Hofmann, U. G., Möbius, D., and Hell, S. W.: Influence od substrate properties on the topochemical polymerization of diacetylene monolayers. Langmuir, vol. 17, pp. 3757-3765, 2001
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  • Sep 2001
    Hofmann, U. G. and Peltonen, J.: Colour transitions in monolayers of a polymerizable single chain diacetylenic lipid. Langmuir, vol. 17, pp. 1518-24, 2001
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  • Jul 2001
    Norlin, P., Kindlundh, M., Mouroux, A., Yoshida, K., Jensen, W., and Hofmann, U. G.: A 32-site neural recording probe fabricated by double-sided deep reactive ion etching of Silicon-on-Insulator substrates. Micromechanics Europe Workshop (MME-2001), Cork, Ireland, 2001
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  • Jul 2001
    Weber, B., Malina, T., Menne, K., Metzler, V., Folkers, A., and Hofmann, U. G.: Handling large files of multisite microelectrode recordings for the European VSAMUEL consortium. Neurocomputing, vol. 38-40, pp. 1725-1734, 2001
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  • Jun 2001
    Folkers, A. and Hofmann, U. G.: A multichannel data acquisition and analysis system based on off-the-shelf DSP boards. Proceedings of the EURASIP Conference on Digital Signal Processing for Multimedia Communications and Services (ECMCS), Fazekas, K. (Ed.), Scientific Association of Infocommunications - HTE, pp. 249-252, 2001
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  • Jun 2001
    Jensen, W., Malina, T., Hofmann, U. G., and Yoshida, K.: Measurement of intrafascicular insertion force of a tungsten needle into peripheral nerve. Proc. IEEE EMBS, PaperID 517, Istanbul, Turkey, Istanbul, Turkey, 2001, PaperID 517
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  • Feb 2001
    Hofmann, U. G., Thompson, J., and Kewley, D. T.: Electrophysiological depth profiling by multiunit microelectrodes for stereotactic neurosurgery: , 2001
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2000

  • Sep 2000
    Hofmann, U. G., Folkers, A., Malina, T., Biella, G., Curtis, d. . M., DeSchutter, E., Yoshida, K., Thomas, U., Höhl, D., and Norlin, P.: Towards a versatile system for advanced neuronal recordings using silicon multisite microelectrodes. Biomedizinische Technik, vol. 45, no. E 1, pp. 169-170, 2000
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  • Sep 2000
    Hofmann, U. G., Hertlein, F., Knopp, U., and Langer, E.: On the design of intracranial multi-site microelectrodes for electro impedance tomography. Biomedizinische Technik, vol. 45, no. E 1, pp. 167-168, 2000
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  • Sep 2000
    Hofmann, U. G., Schutter, E. D., Curtis, d. M., Yoshida, K., Thomas, U., and Norlin, P.: On the design of multi-site microelectrodes for neuronal recordings. World Conference on Microtechnologies: MICRO.tec 2000, VDE-Verlag, vol. 1/2, pp. 283-288, 2000
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  • Jul 2000
    Hooser, v. S. D., Hofmann, U. G., Kewley, D. T., and Bower, J. M.: Relationship between field potentials and spike activity in rat SI: Multi-site cortical recordings and simulations. Neurocomputing, vol. 32-33, pp. 591-596, 2000
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