Personal information

Xi Wang

PhD Candidate

Master of Biomedical Engineering (Msc BME)

Contact: 

Mail: xi.wang@uniklinik-freiburg.de

Tel.: +49 761 270-87570

Curriculum Vitae

2008: Master of Biomedical Engineering (Msc BME) at Martin-Luther-Universität Halle-Wittenberg, Halle an der Saale, Germany

Since 2009, PhD Candidate at IMTEK, Albert-Ludwigs-University/University Medical Center Freiburg in the area of µECoG electrode arrays

Research interests

• Implantable Closed-Loop Systems with with EEG / µECoG electrode array
• High resolution volume conductor head models for forward and inverse modeling of brain activity 
• Deep Learning and Brain-Computer Interfaces (BCIs) with EEG or (µ)ECoG

Publications

Journal Articles:

• Naranjo, J.R., Wang, X., Schulte-Mönting, J., Huethe, F., Maurer, C., Hepp-Reymond, M.C., Kristeva, R., 2010.Corticospinal interaction during isometric compensation for modulated forces with different frequencies.BMCNeurosci.11:157. doi: 10.1186/1471-2202-11-157.

• Gierthmuehlen, M., Ball, T., Henle, C., Wang, X., Rickert, J., Raab, M., Freiman, T., Stieglitz, T., Kaminsky, J., 2011. Evaluation of μECoG electrode arrays in the minipig: experimental procedure and neurosurgical approach. J Neurosci Methods. 02(1):77-86.  doi: 10.1016/j.jneumeth.2011.08.021 

• Mendez-Balbuena, I., Naranjo, J.R., Wang, X.,Andrykiewicz, A., Huethe, F., Schulte-Mönting, J., Hepp-Reymond, M.C., Kristeva, R., 2013. The strength of the corticospinal coherence depends on the predictability of modulated isometric forces. J Neurophysiol. 109(6):1579-88. doi: 10.1152/jn.00187.2012 

• Gierthmuehlen, M., Wang, X., Gkogkidis, C.A., Henle, C., Fischer, J., Fehrenbacher, T., Kohler, F., Raab, M., Mader, I., Kuehn, C., Foerster, K., Haberstroh, J., Freiman, T.M., Stieglitz, T., Rickert, J., Schuettler, M., Ball, T., 2014. Mapping of sheep sensory cortex with a novel microelectrocorticography grid. J Comp Neurol. 522(16):3590-608. doi: 10.1002/cne.23631

• Gkogkidis, C.A., Wang, X., Schubert, T., Gierthmühlen, M., Kohler, F., Schulze-Bonhage, A., Burgard, W., Rickert, J., Haberstroh, J., Schüttler, M., Stieglitz, T. and Ball, T., submitted in Bain-Computer Interfaces in Nov. 2016, ''Closed-loop interaction with the cerebral cortex: Exploring the parameter space of μECoG stimulation and read-out''

• Fabian Kohler, F., Gkogkidis, C.A., Bentler, C., Wang, X., Gierthmühlen, M., Fischer, J., Stolle, C., Reindl, L.M., Rickert, J., Stieglitz, T., Ball, T., Schüttler, M.,  ''Brain-Computer Interfaces Closed-loop interaction with the cerebral cortex: present and future of wireless implant technology.'', Brain-Computer Interfaces, 13 Jul., 2017, vol. 4(3): 146 - 154. http://dx.doi.org/10.1080/2326263X.2017.1338011  

• Wang, X., Gkogkidis, C.A., Ilijina, O., Fiederer, L.D.J, Henle, C., Mader, I., Kaminsky, J., Stieglitz, T., Gierthmuehlen, M.,, Ball, T., ‘‘Mapping the fine structure of cortical activity with different µECoG electrode array geometries’’, J Neural Eng. 2017 Jun 9;14(5):056004. https://doi.org/10.1088/1741-2552/aa785e

• Gkogkidis, C.A., Bentler, C., Wang, X., Gierthmühlen, M., Scheiwe, C., Cristina Schmitz, H., Haberstroh, J., Stieglitz, T. and Ball, T., 2018. Neurophysiological Evaluation of a Customizable µECoG-based Wireless Brain Implant. 40th International Conference of the IEEE Engineering in Medicine and Biology Society, 2018, accepted.

• Wang, X., Gkogkidis, C. A., Schirrmeister, R. T., Heilmeyer, F. A., Gierthmuehlen, M., Kohler, F., Schuettler, M., Stieglitz, T., Ball, T., 2018. Deep Learning for micro-Electrocorticographic (μECoG) Data. Conference paper for IEEE EMBS CONFERENCE ON BIOMEDICAL ENGINEERING AND SCIENCES (IECBES 2018), https://ieeexplore.ieee.org/document/8626607

Conference Presentations:

• Wang, X., Naranjo, J.R., Huethe, F., Maurer, C., Omlor, W., Hepp-Reymond, M.C., Kristeva, R., 2009.Corticomuscular coherence during isometric compensation of modulated force with different frequencies. Poster in International Conference 'Society of Neuroscience' in Chicago, USA
  

• Wang, X., Gierthmühlen, M., Henle, C., Raab, M., Stieglitz, T., Kaminsly, J., Ball, T., 2010. Brain mapping using μECoG signals in the 250-400 Hz band. Poster in International Conference 'Human Brain Mapping' in Barcelona, Spain 

• Wang, X., Gierthmühlen, M., Henle, C., Raab, M., Aertsen, A., Schulze-Bonhage, A., Stieglitz, T., Kaminsly, J., Ball, T., 2011. Brain mapping using μECoG signals in the broad high gamma band. Poster in Biomedizinische Techinik (BMT), Deutsche Gesellschaft für Biomedizinische Techinik (DGBMT), Jahrestagung in Freiburg. Author also gave a presentaion during the time on topic 'µECoG Recordings for Brain mapping and Brain-Machine Interfaces (BMI)' 

• Wang, X., Gierthmühlen, M., Henle, C., Raab, M., Rickert, J., Schulze-Bonhage, A., Kaminsly, J., Aertsen, A., Stieglitz, T., Ball, T., 2012. Effect of blood vessels on µECoG recordings in minipigs. Poster in International Conference 'Human Brain Mapping' in Beijing, P.R. China 

• Wang, X., Gkogkidis, C.A., Gierthmuehlen, M., Freimann, T.M., Henle, C., Raab, M., Fischer, J., Kohler, F., Haberstroh, J., Schulze-Bonhage, A., Aertsen, A., Stieglitz, T., Schuettler, M., Rickert, J., Ball, T., 2013. Poster in Acute and Chronic µECoG-Based Brain Mapping using a Wireless Implant System in a Large Animal Model.International Conference 'Society of Neuroscience' in San Diego, USA

• Gierthmuehlen, M., Wang, X.,Kuehn, C., Gkogkidis, C.A., Henle, C., Raab, M., Fischer, J., Kohler, F., Haberstroh, J., Stieglitz, T., Schuettler, M., Rickert, J., Ball, T.M., Freiman, T., 2013. Poster in Neurosurgical approach to the cerebral cortex for acute and chronic cortical stimulation and recording studies in minipigs and sheep. International Conference 'Society of Neuroscience' in San Diego, USA
  

• Rickert, J., Kohler, F., Fischer, J., Fehrenbacher, T., Gkogkidis, C.A., Mohrlok, R., Paetzold, J., Boven, K-H, Moeller, A., Henle, C., Raab, M., Ordonez, J., Wang, X., Gierthmuehlen, M., Ball, T., Foerster, K., Haberstroh, J., Freiman, T.M., Stieglitz, T., Schuettler, M., 2013. Poster in An implantable brain-computer interface for chronic cortical recording and stimulation using a micro-ECoG electrode array.International Conference 'Society of Neuroscience' in San Diego, USA
  

• Gkogkidis, C.A., Wang, X.,Gierthmuehlen, M., Schuettler, M., Stieglitz, T., Ball, T., 2016. Closed-loop interaction with the cerebral cortex: exploring the parameters space of µECoG stimulation and read-outs. Poster in International Conference 'Research in Encoding And Decoding of Neural Ensembles (AREADNE)' in Santorini, Greece 

   

Conference Talks:

• Wang, X., Gierthmühlen, M., Henle, C., Raab, M., Aertsen, A., Schulze-Bonhage, A., Stieglitz, T., Kaminsly, J., Ball, T., 2011. µECoG Recordings for Brain mapping and Brain-Machine Interfaces (BMI). Poster in Biomedizinische Techinik (BMT), Deutsche Gesellschaft für Biomedizinische Techinik (DGBMT), Jahrestagung in Freiburg.