# Ümit Aydin, PhD., Postdoctoral fellow

Ümit Aydin received BSc and MSc in Electrical and Electronics Engineering from Dokuz Eylül University (Izmir, Turkey) and Middle East Technical University (Ankara, Turkey), respectively. Then, he began his doctoral studies under the supervision of Dr. Carsten Wolters in the Institute for Biomagnetism and Biosignalanalysis at the University of Münster (Münster, Germany). As part of the cooperation between Dr. Wolters and Dr. Jens Haueisen, he received Dr.-Ing. degree from the Faculty of Computer Science and Automation at the Ilmenau University of Technology (Ilmenau, Germany). Since April 2015 he is a member of the Multimodal Functional Imaging Laboratory and he is affiliated to the Physics Department and the PERFORM Centre at Concordia University (Montreal, Canada).

- Supervisor: Dr. Christophe Grova
- Co-Supervisor: Dr. Jean-Marc Lina

## Contact Info

- Multimodal Functional Imaging Laboratory
- Physics Department and PERFORM Centre at Concordia University
**Address**: PC02.205, PERFORM Centre, 7200 Rue Sherbrooke St. W, Montreal, Quebec H4B 1R6**Phone**: (514) 398–1678**Fax**: (514) 398–7461**Email**:umit.aydin@uni-muenster.de**Homepage**:

## Research Interests

His research focuses on multimodal integration in neuroscience. He is especially interested in high-density-EEG/fMRI and EEG/MEG combination with wavelet-based Maximum Entropy on the Mean (wMEM) techniques for studying functional connectivity patterns with special focus on presurgical epilepsy diagnosis. In addition, he is also working on MRI post-processing, accurate forward head modeling (FEM approaches) and brain stimulation techniques.

## Publications

### Peer-reviewed Journal Publications:

Wellmer J, Parpaley Y, Rampp S, Popkirov S, Kugel H, Aydin Ü, Wolters CH, von Lehe M, Voges J. (2016). Lesion guided stereotactic radiofrequency thermocoagulation for palliative, in selected cases curative epilepsy surgery, Epilepsy Research, 121:39–46.

Aydin, Ü., Vorwerk, J., Dümpelmann, M., Küpper, P., Heers, M., Kugel, H., Wellmer, J., Kellinghaus, C., Haueisen, J., Rampp, S., Stefan, H., Wolters, C.H. (2015) Combined EEG/MEG can outperform single modality EEG or MEG source reconstruction in presurgical epilepsy diagnosis. PLoS ONE 10(3): e0118753.

Aydin, Ü., Vorwerk, J., Küpper, P., Heers, M., Kugel, H., Galka, A., Hamid, L., Wellmer, J., Kellinghaus, C., Rampp, S., Wolters, C.H. (2014) Combining EEG and MEG for the reconstruction of epileptiform activity using a calibrated realistic volume conductor model of the patients head. PLoS ONE 9(3): e93154.

Rampersad, S.M., Janssen, A.M., Lucka, F., Aydin, Ü., Lanfer, B., Lew, S., Wolters, C.H., Stegeman, D.F., Oostendorp, T.F. (2014) Simulating transcranial direct current stimulation with a detailed anisotropic human head model. IEEE Trans. Neur. Sys. & Rehab. Eng., 22(3), pp. 441–452.

Wagner, S., Rampersad, S.M, Aydin, Ü., Vorwerk, J., Oostendorp, T.F., Neuling, T., Hermann, C.S., Stegeman, D.F., Wolters, C.H. (2014). Investigation of tDCS/tACS volume conduction effects in a highly realistic head model. J. Neural Eng., 11:016002(14pp).

Janssen, A.M., Rampersad, S.M., Lucka, F., Lanfer, B., Lew, S., Aydin, Ü., Wolters, C.H., Stegeman, D.F., Oostendorp, T.F. (2013) The influence of cortical surface geometry on simulated electric fields induced by transcranial magnetic stimulation. Phys. Med. Biol., 58(14), pp.4881–4896.

Aydin, Ü., Serinagaoglu, Y. (2011). A Kalman filter based approach to reduce the effects of geometric errors and the measurement noise in the inverse ECG problem. Med. Biol. Eng. Comput., 49(9), pp.1003–1013.

### Peer-reviewed International Conference Proceedings (4 page papers):

1. Hamid, L., Aydin, Ü., Wolters, C. H., Stephani, U., Siniatchkin, M., Galka, A. (2013). MEG-EEG fusion by Kalman filtering within a source analysis framework. Conf. Proc. IEEE Eng. Med. Biol. Soc., 2013, pp.4819–4822.

2. Aydin, Ü., Serinagaoglu, Y. (2009). Comparison of Bayesian MAP estimation and Kalman filter methods in the solution of spatio-temporal inverse ECG problem. WC 2009 IFMBE Proc., 25/2, pp.715–718.

3. Aydin, Ü., Serinagaoglu, Y. (2009). Statistical modeling of the geometric error in cardiac electrical imaging. 6th IEEE Int. Sym. on Biomedical Imaging: From Nano to Macro, ISBI 2009, 5193079, pp.442–445.

4. Serinagaoglu, Y., Aydin, Ü. (2009). Imaging the electrical activity of the heart using a Kalman filter based approach: Comparison of results using different STM’S. 6th IEEE Int. Sym. on Biomedical Imaging: From Nano to Macro, ISBI 2009, 5193006, pp.153–156.

5. Aydin, Ü., Serinagaoglu, Y. (2008). Use of activation time based Kalman filtering in inverse problem of electrocardiography. 4th European Cong. for Medical and Biomedical Engineering. IFMBE Proc. 22, pp.1200–1203.

### Invited Talks and Oral Presentations on Conferences:

Merits of EEG/MEG/MRI Combination in Presurgical Epilepsy Diagnosis. Basic and Clinical multimodal Imaging (BaCI), Utrecht, Netherlands, (2015).

Combined EEG/MEG can outperform single modality EEG or MEG source analysis in presurgical epilepsy diagnosis. German EEG/EP mapping meeting in Gießen, Germany (2014).

Combined EEG/MEG source analysis of epileptic activity: Effects of volume conduction and spike averaging. First Int. Conf. on Basic and Clinical multimodal Imaging (BaCI), Geneva, Switzerland (2013).

Comparison of Bayesian MAP estimation and Kalman filter methods in the solution of spatio-temporal inverse ECG problem. 11th World Cong. on Medical Physics and Biomedical Engineering, Munich, Germany, (2009).

Statistical modeling of the geometric error in cardiac electrical imaging. 6th IEEE Int. Sym. on Biomedical Imaging, Boston, USA, (2009).

Use of activation time based Kalman filtering in inverse problem of electrocardiography. 4th European Cong. for Medical and Biomedical Engineering. Antwerp, Belgium, (2008).

### Abstracts on International Conferences:

Hedrich T, Aydin Ü, Jegou A, Pellegrino G, Lina JM, Grova C. (2015). Comparison of Electrical Source Imaging and Ballistocardiogram Artefact Correction Methods Using Somatosensory Evoked Responses in hdEEG-fMRI. Basic and Clinical multimodal Imaging (BaCI), Utrecht, Netherlands.

Lucka F, Aydin Ü*, Vorwerk J*, Burger M, Wolters CH. (2015). Hierarchical Bayesian Inference for CombinedEEG/MEG Source Analysis. Basic and Clinical multimodal Imaging (BaCI), Utrecht, Netherlands.

Aydin Ü., Vorwerk J., Dümpelmann M., Küpper P., Kugel H., Wellmer J., Kellinghaus C., Haueisen J., Rampp S., Stefan H., Wolters, C.H. (2014) Combined EEG/MEG can outperform single modality EEG or MEG source reconstruction in presurgical epilepsy diagnosis. 19th Int. Conf. on Biomagnetism (BIOMAG), Halifax, Canada.

Aydin Ü., Vorwerk J., Dümpelmann M., Küpper P., Kugel H., Wellmer J., Kellinghaus C., Haueisen J., Rampp S., Stefan H., Wolters, C.H. (2014) Effects of spike averaging on EEG, MEG and Combined EEG/MEG source analysis of epileptic activity. 30th Int. Cong. on Clinical Neurophysiology (ICCN), Berlin, Germany.

Aydin Ü., Vorwerk J., Küpper P., Heers, M., Kugel, H., Wellmer J., Kellinghaus C., Scherg M., Rampp S., Wolters C. (2013) Combined EEG/MEG source analysis of epileptic activity: Effects of volume conduction and spike averaging. First Int. Conf. on Basic and Clinical multimodal Imaging (BaCI), Geneva, Switzerland.

Lucka F., Aydin Ü., Vorwerk J., Burger M., Wolters C.H. (2013) Hierarchical fully-Bayesian inference for combined EEG/MEG source analysis of evoked responses: From simulations to real data. First Int. Conf. on Basic and Clinical multimodal Imaging (BaCI), Geneva, Switzerland.

Wagner S., Aydin Ü., Vorwerk J., Herrmann, C., Burger M., Wolters C.H. (2013) Volume conduction and optimized stimulation protocols in transcranial current stimulation. First Int. Conf. on Basic and Clinical multimodal Imaging (BaCI), Geneva, Switzerland.

Heers M., Jacobs-Le Van J., Hirschmann J., Dümpelmann M., Aydin Ü., Wolters C., Rampp S., Stefan H., Schnitzler A., Wellmer J. (2013) Spike associated high frequency oscillations in magnetoencephalography co-localize with focal cortical dsyplasia type IIB. 30th Int. Epilepsy Cong., Montreal, Canada.

Wagner S., Rampersad S., Aydin Ü., Vorwerk J., Neuling T., Herrmann C.S., Stegeman D.F., Wolters C.H. (2012) Volume conduction effects in tDCS using a 1mm geometry-adapted hexahedral ﬁnite element head model. Biomedical Engineering, 57(Suppl.1), p.329.

Aydin Ü., Vorwerk J., Lucka F., Rampp S., Heers M., Kellinghaus C., Wellmer J., Stefan H. Wolters C.H. (2012) Combined EEG and MEG source analysis of epileptic activity. 18th Int. Conf. on Biomagnetism (BIOMAG), Paris, France.

Aydin Ü., Vorwerk J., Lucka F., Pantev C., Wolters C.H. (2012) Combining EEG and MEG to study auditory tonotopy. 18th Int. Conf. on Biomagnetism (BIOMAG), Paris, France.