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


2014

  • Feb 2014
    R. K. Almajidy, R. D. Kirch, O. Christ and U. G. Hofmann: 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, Robert J. Nordstrom, Jean-Pierre Bouchard and David W. Allen (Ed.), SPIE, San Francisco, California, United States, Proc. of SPIE, vol. 8945, February 2014
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2013

  • Jun 2013
    R. K. Almajidy and U. G. Hofmann: 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
    Y. Xie, L. Chen and U. G. Hofmann: 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
    S. Oung, B. M. Pohl and U. G. Hofmann: Preliminary design of a tendon-based anthropomorphic robotic hand. DGBMT, Jena, Germany, Sep. 2012
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  • Sep 2012
    B. M. Pohl, J. O. Jungmann, O. Christ and U. G. Hofmann: 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
    C. Murschall, B. M. Pohl and U. G. Hofmann: Shuttle supported insertion of polyimid microprobes - Targeting precision in a translucent brain model,. DGBMT, Freiburg, Deutschland, Oct. 2011
    BibTeX
  • Apr 2011
    B. M. Pohl, A. Schumacher and U. G. Hofmann: Towards an automated, minimal invasive, precision craniotomy on small animals. IEEE EMBS 5th Conference on Neural Engineering, Cancun, Mexico, Apr. 2011
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  • Jan 2011
    M. K. Hazrati, V. Subramanian and U. G. Hofmann: A Four-Class Brain Computer Interface for Robot Control. ISSNIP Biosignals and Biorobotic Conference, Vitoria, Brazil, January 2011
    BibTeX Website

2010

  • Nov 2010
    A. E. Olamat, N. Nkemasong, B. M. Pohl and U. G. Hofmann: Physical and FEM Simulation of Microprobe Insertion into Rat Brain. European Comsol Conference, Paris, France, Nov. 2010
    BibTeX
  • Oct 2010
    S. Hammad, S. Löffler, K. Mankodiya, D. Krapohl, B. M. Pohl, A. Moser, V. Tronnier and U. Hofmann: Niotrode Array for Rodent Brain Recording. DGBMT, Rostock, Deutschland, Oct. 2010
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  • Jul 2010
    K. Mankodiya, Y. A. Hassan, O. Christ, B. Chamadiya and U. G. Hofmann: 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
    Y. Xie, T. Bonin, S. Löffler, G. Hüttmann, V. Tronnier and U. Hofmann: Fiber spectral domain optical coherence tomography for in-vivo rat brain imaging. SPIE's Photonics Europe (EPE10), O. Dössel (Ed.), Brussels, Series Fiber spectral domain optical coherence tomography for in-vivo rat brain imaging, 2010
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  • Jun 2010
    M. Hazrati, A. Erfanian and U. Hofmann: 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
    H. Gehring, zu L. M. Westrup, S. Boye, A. Opp and P. S. P. U. Hofmann Vol. 13 (3) 26-00: Transcranial doppler, EEG and SEP monitoring. Applied Cardiopulmonary Pathophysiology, vol. 13, no. 3, pp. 224-236, 2009
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  • Oct 2009
    D. Krapohl and U. G. Hofmann: 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
    U. G. Hofmann, T. Michalski, V. Tronnier and M. M. Bonsanto: 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
    A. Opp, U. G. Hofmann, S. Boye, L. Dibbelt and H. Gehring: 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
    T. Kipshagen, M. Graw, V. Tronnier, M. Bonsanto and S. 2009. 25(I-XIII) U. G. Hofmann: 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
    T. H. Nwe, A. P. Condurache, M. Simon, A. Mertins and U. Hofmann: 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
    M. Klostermann, O. Christ, K. Mankodiya, S. Vogt and U. G. Hofmann: OMAP3 based signal processing for biomedical engineering teaching. EUSIPCO 2009, Glasgow, Scotland, Aug 24-28 2009
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  • Jul 2009
    K. Mankodiya, S. Vogt, A. Kundu, M. Klostermann, J. Pohl , A. Ayoub, H. Gehring and U. G. Hofmann: 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
    K. Mankodiya, D. Krapohl, S. Hammad, Y. Xie, M. Klinger and U. G. Hofmann: A simplified production method for multimode multisite neuroprobes. Intern‘l Conference on Neural Engineering 2009, Antalya, Turkey, 2009
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  • Mar 2009
    S. Cirit, J. Penders, M. Ashouei, J. Hulzink, de M. Nil , J. Huisken and U. G. Hofmann: 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
    L. Ramrath, S. Vogt, W. Jensen, A. Schweikard and U. Hofmann: 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
    C. Darolti, C. Bodensteiner, A. Mertins and U. G. Hofmann: 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
    A. Melzer, B. Bushman and U. Hofmann: 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
    M. Bleil, R. Linder, A. Opp, S. Boye, H. Gehring and U. Hofmann: Online-Classification of Capnographic Curves Using Artificial Neural Networks. ECIFMBE 2008- IFMBE Proceedings, Sloten, J. Vander, Verdonck, P., Nyssen, M. and Haueisen, J. (Ed.), IFMBE Proceedings ISSN, Antwerp, vol. 22, pp. 1096-1099, 2008
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  • Nov 2008
    B. Chamadiya, S. Heuer, U. Hofmann and M. Wagner: Towards a capacitively coupled electrocardiography system for car seat integration. ECIFMBE 2008- IFMBE Proceedings, Sloten, J. Vander, Verdonck, P., Nyssen, M. and Haueisen, J. (Ed.), IFMBE Proceedings ISSN, Antwerp, vol. 22, pp. 1217-1221, 2008
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  • Nov 2008
    S. Löffler, S. Vogt, U. G. Hofmann and A. Moser: 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
    D. Krapohl, T. Bonin, A. Gebhardt, K. Mankodiya and U. G. Hofmann: 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
    L. Ramrath, B. M. Pohl, S. Loeffler, K. Mankodiya, Y. Xie, U. G. Hofmann and A. Schweikard: 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
    A. Maciak, G. Seidel, K. Meyer-Wiethe, C. Kier and . U. Hofmann: 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
    A. Maciak, C. Kier, G. Seidel, K. Meyer-Wiethe , U. Hofmann and T. Aach: 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
    A. Hiller, S. Loeffler, C. Haupt, M. Litza, U. G. Hofmann and A. Moser: 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
    K. Mankodiya, A. Ayoub, S. Vogt, A. Opp, M. Gönne, R. Linder, H. Gehring and U. G. Hofmann: A design study on a multisensory cerebral monitor. BMT 2007, de Gruyter, Aachen, 2007
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  • Sep 2007
    E. Moshidis, L. Matthäus, A. Besirevic, R. Schulz, V. Tronnier, M. M. Bonsanto and U. G. Hofmann: Navigated intraoperative ultrasound imaging system. BMT 2007, de Gruyter, Aachen, 2007
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  • Aug 2007
    C. Darolti, A. Mertins and U. G. Hofmann: 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, Wilfried Philips, Dan Popescu und Paul Scheunders (Ed.), Springer, Lecture Notes in Computer Science, no. 4678, pp. 828-839, August 2007
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  • Jul 2007
    A. Maciak, C. Kier, G. Seidel, K. Meyer-Wiethe and U. G. Hofmann: Detecting Stripe Artifacts in Ultrasound Images. Journal of Digital Imaging, 2007
    BibTeX DOI Website PDF
  • Jul 2007
    C. Darolti, R. Bouchard, S. Farke, A. P. Condurache and U. Hofmann: 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
    C. Kier, C. Cyrus, G. Seidel, U. G. Hofmann and T. Aach: 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
    T. Gritsun, G. Engler, C. Moll, A. Engel, S. Kondra and L. R. U. G. Hofmann: A simple microelectrode bundle for deep brain recordings. 3rd Int'l Conference on Neural Engineering, Akay, Metin (Ed.), IEEE, Hawaii, USA, 2007
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  • May 2007
    W. Jensen, K. Yoshida and U. G. Hofmann: In vivo implant mechanics of single-shaft microelectrodes in peripheral nervous tissue. 3rd Int'l Conference on Neural Engineering, Akay, Metin (Ed.), IEEE, Hawaii, USA, 2007
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  • Mar 2007
    A. Maciak, C. Kier, S. G., K. Meyer-Wiethe and . G. Hofmann: Automatische Erkennung von Ischämien mit Bolus Harmonic Imaging: Bildverarbeitung für die Medizin 2007, Springer-Verlag, München, 25-27 March 2007
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  • Feb 2007
    A. P. Condurache, T. Hahn, M. Scharfschwerdt, M. Misfeld, U. G. Hofmann and T. Aach: 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
    U. Hofmann, A. Folkers, F. Mösch, T. Malina, K. Menne, M. Kindlundh, U. Thomas, D. Hoehl, G. Biella, E. D. Schutter, P. Fagerstedt, K. Yoshida, W. Jensen, P. Norlin and de M. Curtis: A novel high channel-count system for acute multi-site neuronal recordings. , 2006
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  • Jun 2006
    C. Darolti and U.G. Hofmann: Computer-Vision based measurement of hand motion:
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  • May 2006
    W. Jensen, K. Yoshida, U.G. Hofmann: Implant Mechanics of ACREO Silicon Electrodes in Rat Cerebral Cortex:
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  • May 2006
    T. Gritsun, M. Litza, A. Hiller, A. Moser, U.G. Hofmann: Semichronic, collocated deep brain stimulation and multisite recording in rats:
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  • May 2006
    U. Hofmann, C. Moll, G. Engler, A. Engel, D. H. M. Bör, U. Thomas and P. Detemple: Multisite Microelectrodes for use in Human Deep Brain Stimulation. , 2006
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  • Apr 2006
    F. Eberhardt, H. Bonnemeier, M. Lipphardt, U.G. Hofmann, H. Schunkert, U.K.H. Wiegand: Atrial Near-Field and Ventricular Far-Field Analysis by Automated Signal Processing at Rest and During Exercise:
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2005

  • Oct 2005
    Ulrich G. Hofmann: Human Computer Interfacing, Deep Brain Stimulation, Signalverarbeitung:
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  • Sep 2005
    A. P. Condurache, E. Essah, A. Reske, M. Seiwerts, H. Busse, T. Aach and U. Hofmann: 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. Otto, E. Barth, and U.G. Hofmann: Towards the detection of microsleep events in a driving simulator:
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  • Sep 2005
    F. Ahmad, S. Kondra, S. Norman, H. Matz, U.G. Hofmann, and H. Gehring: Identifying different patterns of capnographic curves on ventilated and spontaneously breathing patients:
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  • Sep 2005
    S. Abuarqub, G. Brichetto, C. Solaro, U.G. Hofmann, and V. Sanguineti.: 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. Kondra, and U.G. Hofmann: A wireless body area network for multichannel EMG recordings:
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  • Sep 2005
    M.G. Litza, A. Hiller, A. Moser, and U.G. Hofmann: Deep brain stimulation and synchronous neurotransmitter detection.:
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  • Sep 2005
    S. Kondra, C. Yew, F. Ahmed, and U.G. Hofmann: Prototype of a Patient Monitoring Device based on an embedded RISC/DSP system:
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  • May 2005
    Madany Mamlouk A, Sharp H, Menne KML, Hofmann UG, Martinetz 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.L. Menne, M. Klostermann, S. Klatt, U.G. Hofmann: A small network with huge artificially grown pyramidal cells:
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  • Mar 2005
    O.P. Burmeister, M.G. Litza, A. Condurache, M. Nitschke, U.G. Hofmann: Synchronous stereo-video and biosignal recording – a basic setup for Human-Computer-Interface applications:
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2004

  • Sep 2004
    Jannasch, S., R. Klinger, N. Matter and U. G. Hofmann: 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, Hofmann U: Neurowissenschaftliche Datenbanken - eine Herausforderung: Datenbank Spektrum 10: 5-13.
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  • Jun 2004
    Knopp, U., W. Jensen, D. T. Kewley, J. M. Bower, K. Yoshida and U. G. Hofmann: 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, Hofmann UG: 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.
    BibTeX
  • Feb 2004
    M. Kindlundh, P. Norlin and U. Hofmann: A neural probe process enabling variable electrode configurations. Sensors & Actuators B: Chemical, vol. 102/1, pp. 51-58
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  • Jan 2004
    U. G. Hofmann, M. Bär, P. Detemple, M. Kindlundh and P. Norlin: Acute Multisite Recording Probes for Neurons in Mice and Men. mstNews, pp. 14-16, 2004
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2003

  • Dec 2003
    A. Folkers, S. Jannasch and U. G. Hofmann: Lifting Scheme - an alternative to wavelet transforms for real time applications. GlobalDSP Magazine, pp. 3-6, 2003
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  • Dec 2003
    U. G. Hofmann: 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
    K. M. L. Menne, A. Folkers, H. Schuhart and U. G. Hofmann: 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
    F. Eberhardt, F. Bode, U. G. Hofmann, M. Lipphardt and U. K. H. Wiegand: 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
    A. Folkers, H. Stemman, K. M. L. Menne, P. Norlin, M. Kindlundh and an W. F. U. G. Hofmann: Realtime wavelet-based clustering for a 64 channel multisite recording system. Poster and Abstract, CNS*2003, Alicante, 2003
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  • Jul 2003
    M. Kindlundh, P. Norlin and U. G. Hofmann: On-demand neural probes. Transducers 03 - The 12th Int Conference on Solid State Sensors, Actuators and Microsystems, 2003
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  • Jul 2003
    A. M. Mamlouk, C. Chee-Ruiter, U. G. Hofmann and J. M. Bower: 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
    A. Folkers, F. Mösch, T. Malina and U. G. Hofmann: 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
    W. Jensen, U. G. Hofmann and K. Yoshida: 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. Kindlundh, UG Hofmann: 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
    U. G. Hofmann, U. Knopp, J. Modersitzki and B. Fischer: Navigationshilfsvorrichtung für neurochirurgische Eingriffe am menschlichen Gehirn: , 2002
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  • Sep 2002
    U. G. Hofmann, A. Folkers, F. Mösch, F. Höhl, M. Kindlundh and P. Norlin: A 64(128)-channel multisite neuronal recording system. Biomedizinische Technik, vol. 47(E 1), pp. 194-197, 2002
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  • Sep 2002
    U. G. Hofmann, W. Jensen, K. Yoshida, M. Kindlundh and P. Norlin: Silizium-Vielfachsonden für die Neurowissenschaften. FOCUS MUL, vol. 19, no. 3, pp. 132-139, 2002
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  • Jul 2002
    H. Schuhart, K. M. L. Menne and U. G. Hofmann: GROGRA and GENESIS: in computo grown neurons used for realistic compartmental modeling. Poster and Abstract, CNS2002, Chicago, 2002
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  • Jul 2002
    K. M. L. Menne, R. Maex and U. G. Hofmann: 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
    K. M. L. Menne, A. Folkers, T. Malina, R. Maex and U. G. Hofmann: 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
    G. R. Biella, L. Uva, U. G. Hofmann and M. deCurtis: 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
    P. Fagerstedt, A. Volny-Luraghi, M. Kindlundh, P. Norlin , U. Hofmann and E. DeSchutter: 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
    K. M. L. Menne, R. M. R and U. G. Hofmann: 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
    P. Norlin, M. Kindlundh, A. Mouroux, K. Yoshida, W. Jensen and U. G. Hofmann: 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
    M. Lipphard, F. Eberhardt and U. G. Hofmann: 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
    T. Malina, A. Folkers and U. G. Hofmann: 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
    G. Biella, L. Uva, U. G. Hofmann and M. deCurtis: 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
    M. Kindlundh, P. Norlin and U. G. Hofmann: 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
    K. M. L. Menne, T. Malina and U. G. Hofmann: 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, D. Polani, J. Kim and T. Martinetz (Ed.), IOS Press Infix, Lübeck, pp. 17-25, 2002
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2001

  • Sep 2001
    T. Malina, A. Folkers, F. Mösch, K. Labusch, M. Schürmann and U. G. Hofmann: 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
    K. Yoshida, W. Jensen, P. Norlin, M. Kindlundh and U. G. Hofmann: 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
    D. W. Britt, U. G. Hofmann, D. Möbius and S. W. Hell: Influence od substrate properties on the topochemical polymerization of diacetylene monolayers. Langmuir, vol. 17, pp. 3757-3765, 2001
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  • Sep 2001
    U. G. Hofmann and J. Peltonen: Colour transitions in monolayers of a polymerizable single chain diacetylenic lipid. Langmuir, vol. 17, pp. 1518-24, 2001
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  • Jul 2001
    P. Norlin, M. Kindlundh, A. Mouroux, K. Yoshida, W. Jensen and U. G. Hofmann: 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
    B. Weber, T. Malina, K. Menne, V. Metzler, A. Folkers and U. G. Hofmann: 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
    A. Folkers and U. G. Hofmann: 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), K. Fazekas (Ed.), Scientific Association of Infocommunications - HTE, pp. 249-252, 2001
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  • Jun 2001
    W. Jensen, T. Malina, U. G. Hofmann and K. Yoshida: 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
    U. G. Hofmann, J. Thompson and D. T. Kewley: Electrophysiological depth profiling by multiunit microelectrodes for stereotactic neurosurgery: , 2001
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2000

  • Sep 2000
    U. G. Hofmann, A. Folkers, T. Malina, G. Biella, de M. Curtis, E. DeSchutter, K. Yoshida, U. Thomas, D. Höhl and P. Norlin: 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
    U. G. Hofmann, F. Hertlein, U. Knopp and E. Langer: 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
    U. G. Hofmann, E. D. Schutter, de M. Curtis, K. Yoshida , U. Thomas and P. Norlin: 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
    van S. D. Hooser, U. G. Hofmann, D. T. Kewley and J. M. Bower: 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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