Malin Björnsdotter (Åberg), MSc, PhD | Updated 091221 | malin dot bjornsdotter at neuro dot gu dot se
 
The stuff:
- Home
- Images

























MALIN BJÖRNSDOTTER (ÅBERG)

MSc in mechatronics, specialization in biomechatronics, @ Chalmers University of Technology
Dissertation for the degree of Doctor of Philosophy (Medicine) defended October 2009 @ the Institute of Neuroscience and Physiology, The Sahlgrenska Academy/University of Gothenburg, Sweden
Thesis title: 'Machine learning for identification of brain activity patterns with applications in gentle touch processing' (pdf)
supervised by Dr. Johan Wessberg

Research Interests
> Pattern recognition approaches to biomedical signal analysis
> Multivariate pattern analysis methods for functional brain mapping
> Genetic and memetic algorithms (GA & MA)
> Particle swarm optimization (PSO)
> Supervised classification (artificial neural networks, support vector machines etc)
> Functional magnetic resonance imaging (fMRI)
> Electro-encephalography (EEG)
> Brain processing of thick-fiber mediated discriminative touch (see NanoBioTact)
> Peripheral and central processing of thin-fiber mediated gentle touch
> Affective aspects of touch
> Brain-machine interfacing
> Cyborgs
> Real-time brain activity analysis
> Automatized diagnosis
Journal publications

> Malin Björnsdotter, India Morrison & Håkan Olausson, Feeling good: on the role of C fiber-mediated touch in interoception, Exp Brain Res, 2010 (in print) (Abstract, PMID: 20963582)
> Malin Björnsdotter, Karin Rylander & Johan Wessberg, A Monte Carlo method for locally multivariate brain mapping., Neuroimage, 2010 (in print) (Abstract, PMID: 20674749)
> Malin Björnsdotter, Line Löken, Håkan Olausson, Åke Vallbo & Johan Wessberg, Somatotopic organization of gentle touch processing in the posterior insular cortex, Journal of Neuroscience, 2009, 29(29):9314-9320; doi:10.1523/JNEUROSCI.0400-09.2009 (Abstract, pdf, PMID: 19625521, bibtex )
> Malin Björnsdotter Åberg & Johan Wessberg, An Evolutionary Approach to the Identification of Informative Voxel Clusters for Brain State Discrimination, IEEE Journal of Selected Topics in Signal Processing, 2008, 2:6, pp 919-928 (Abstract, pdf , bibtex)
> Malin Åberg & Johan Wessberg, Evolutionary optimization of classifiers and features for single trial EEG Discrimination, BioMedical Engineering OnLine 2007, 6:32 (pdf , PMID: 17716370, bibtex)
Conference proceedings publications

> Björnsdotter, M. & Wessberg, J. (2010) A Memetic Algorithm for Selection of 3D Clustered Features with Applications in Neuroscience. 20th International Conference on Pattern Recognition, Istanbul, in print
> Björnsdotter, M. & Wessberg, J. (2010) Identification and localization of human brain activity patterns using particle swarm optimization. The 2nd International Conference on Computer and Automation Engineering, Singapore, in print
>Björnsdotter Åberg, M., Nalin, K., Hansson, L.-E. & Malmgren, H. (2009) Support vector machine diagnosis of acute abdominal pain. Communications in Computer and Information Science, Springer, in print
> Beckmann, S., Björnsdotter Åberg, M., Backlund-Wasling, H., Wessberg, J. (2009) Brain decoding of texture processing using independent component analysis and support vector machines, IEEE International symposium on Intelligent Signal Processing, Budapest, Hungary, 26-28, August 2009
> Niiniskorpi, T. Björnsdotter Åberg, M. & Wessberg, J. (2009) Particle swarm feature selection for fMRI pattern classification, Proceedings of the Second International Conference on Bio-inspired Systems and Signal Processing (BIOSIGNALS), Porto, Portugal, January 14-17, 2009, pp 279-284, INSTICC - Institute for Systems and Technologies of Information, Control and Communication, Eds: Pedro Encarnação, António Veloso, ISBN 978-989-8111-65-4 (pdf ) (bibtex)
> Bergstrand, S., Björnsdotter Åberg, M., Niiniskorpi, T., & Wessberg, J., (2009) Towards unified analysis of EEG and fMRI: A Comparison of Classifiers for Single-trial Pattern Recognition Proceedings of the Second International Conference on Bio-inspired Systems and Signal Processing, (BIOSIGNALS), Porto, Portugal, January 14-17, 2009, pp 273-278, INSTICC - Institute for Systems and Technologies of Information, Control and Communication, Eds: Pedro Encarnação, António Veloso, ISBN 978-989-8111-65-4 (pdf ) (bibtex)
> Björnsdotter, M., Nalin, K., Hansson, L.E. & Malmgren, H., (2009) Towards an Automatic Diagnosis System for Acute Abdominal Pain: Support Vector Machines for the Diagnosis of Diverticulitis and Non-Specific Abdominal Pain, Proceedings of the International Conference on Health Informatics, Porto, Portugal, INSTICC - Institute for Systems and Technologies of Information, Control and Communication
> Björnsdotter Åberg M., Löken, L., & Wessberg, J. (2008) An evolutionary approach to multivariate feature selection for fMRI pattern analysis, Proceedings of the First International Conference on Bio-inspired Systems and Signal Processing (BIOSIGNALS) Funchal, Madeira, Portugal, January 28-31, 2008, Volume 2, pp 302-307, INSTICC - Institute for Systems and Technologies of Information, Control and Communication, Eds: Pedro Encarnação, António Veloso, ISBN 978-989-8111-18-0 (pdf ) (bibtex)
Conference presentations
>Björnsdotter, M. & Wessberg, J., Memetic optimization of informative brain regions for multivoxel pattern recognition, Society for Neuroscience 2010, San Diego, USA (poster)
>Björnsdotter, M. & Wessberg, J., A Monte Carlo approach to locally-multivariate functional brain mapping, 16th Annual Meeting of the Organization for Human Brain Mapping 2010, Barcelona, Spain (poster)
>Åberg, M. & Wessberg, J., Decoding human EEG dynamics due to tactile texture processing using independent component analysis and support vector machines, Society for Neuroscience 2009, Chicago, USA (poster)
> Björnsdotter & Wessberg, Particle swarm voxel clustering for multivariate fMRI mapping, 15th Annual Meeting of the Organization for Human Brain Mapping 2008, San Fransisco, USA, 2009, doi:10.1016/S1053-8119(09)70553-1 (poster & talk)
> Åberg & Wessberg, Identification of a somatotopic organization of sensory processing in the human insular cortex in response to pleasant touch using pattern recognition, Society for Neuroscience 2008 (poster)
> Åberg & Wessberg, A multivariate approach to fMRI activation detection using pattern recognition and information entropy on tactile data, 14th Annual Meeting of the Organization for Human Brain Mapping 2008, Melbourne, Australia (poster)
> Åberg & Wessberg, Detection and classification of cortical events in fMRI and EEG, Lemanic-Neurosciences Annual Meeting 2007, Diablerets, Switzerland (poster)
> Åberg, A machine learning approach to EEG analysis using evolutionary feature selection for single-trial pattern classification, BIOPATTERN Brain Workshop in Göteborg, Sweden 2006 (talk)
> Åberg & Wessberg, A multivariate pattern recognition approach to fMRI analysis using linear classifiers combined with evolutionary algorithms for voxel selection Society for Neuroscience, Atlanta, USA 2006 (poster)
> Åberg & Wessberg, Single-trial EEG discrimination using wavelets, Artificial Neural Networks and Evolutionary Algorithms, Society for Neuroscience, Washington DC, USA 2005 (poster)
Referee asignments:
> Human brain mapping
> Journal of Neuroscience
> Pattern Recognition
> Computer Methods and Programs in Biomedicine
Awards and grants
> The 15th Annual Meeting of the Organization for Human Brain Mapping travel award, 2009
> Herbert och Karin Jacobsons Stiftelse 2008, 2009
> Stiftelsen Sigurd och Elsa Goljes Minne 2008, 2009
> Wilhelm och Martina Lundgrens Vetenskapsfond 2008
> Idéstipendie from GU Holding 2006
Media
> Interview in Göteborgsposten, October 2009 (swedish; pdf)
> Interview in Computer Sweden, December 2009 (swedish; link, jpg)


Work-unrelated interests
> Traveling

> Bug photography
Transandean Cattleheart (Parides iphidamas) Yellow bee Kissing without lips Coleoptera portrait Leafcutter ant (Atta cephalotes) Burgundy-eyed bee Robber fly Leaf-cutter hard at work
Opiliones Bibio marci Ephemeroptera (Mayfly, dagsslända) Big-eyed coleoptera Lacewing (Chrysopidae)
Leafhopper Stilt-legged Fly (Micropezidae) Springtail (Paronellidae) on top of Oak Timberworm (Arrhenodes minutus) Stern Costa Rican katydid