Dr. Nikos Laskaris

The most recent publications are available at my research group page.

Dimitriadis S, Laskaris N., Tzelepi A.
"On the Quantization of time-varying phase synchrony patterns into distinct Functional Connectivity Microstates (FCμstates) in a multi-trial visual ERP paradigm"
Brain Topography, 2013

Iakovidou N., Dimitriadis S., Laskaris N.,et al.
"On the discovery of group-consistent graph substructure patterns from brain networks"
Journal of Neuroscience Methods, 2013 doi

Liparas D., Laskaris N., Angelis L.
"Incorporating Resting State Dynamics in the Analysis of Encephalographic Responses by means of the Mahalanobis - Taguchi Strategy".
Expert Systems with Applications, 2013 doi

Laskaris N. et al.
"Improved detection of amnestic MCI by means of Discriminative Vector Quantization of Single-Trial cognitive ERP responses"
Journal of Neuroscience Methods. vol. 212 (2): 344–354, 2013 doi

Ioannides A., Dimitriadis S., Saridis G., Voultsidou M., Poghosyan V., Liu L. and Laskaris N.
"Source Space Analysis of Event-Related Dynamic Reorganization of Brain Networks"
Computational and Mathematical Methods in Medicine, vol. 2012, Article ID 452503, doi:10.1155/2012/452503

Dimitriadis S., Kanatsouli K., Laskaris N. et al.
"Surface EEG shows that functional segregation via phase coupling contributes to the neural substrate of mental calculations".
Brain and Cognition. vol. 80(1): 45-52, 2012. doi

Adamos D., Laskaris N. et al.
"In quest of the missing neuron: Spike sorting based on dominant-sets clustering".
Computer Methods and Programs in Biomedicine. vol. 107(1): 28–35, 2012. doi

Dimitriadis S., Laskaris N. et al.
"Analyzing Functional Brain Connectivity by Means of Commute Times: A New Approach and its Application to Track Event-Related Dynamics".
IEEE Trans. Biomed. Engineering .vol 59(5): 1302-1309, 2012 10.1109/TBME.2012.2186568

Dimitriadis S., Laskaris N. et al.
"A novel symbolization scheme for multichannel recordings with emphasis on phase information and its application to differentiate EEG activity from different mental tasks".
Cognitive Neurodynamics. vol.6(1):107-113, 2012 doi

Dimitriadis S., Laskaris N. et al.
"An EEG study of brain connectivity dynamics at the resting state"
Nonlinear Dynamics Psychology and Life Sciences . vol.16(1): 5-22, 2012

Dimitriadis S., Laskaris N. et al.
"Tracking brain dynamics via time-dependent network analysis"
Journal of Neuroscience Methods, vol. 193(1): 145-155, 2010 doi

Adamos D., Laskaris N. et al.
"NASS: an empirical approach to Spike Sorting with overlap resolution based on a hybrid Noise-Assisted methodology"
Journal of Neuroscience Methods , vol. 190(1): 129-142, 2010 doi

Dimitriadis S., Laskaris N. et al.
"What does delta band tell us about cognitive processes: A mental calculation study"
Neuroscience Letters, vol. 483(1): 11-15, 2010 doi

Tzelepi A., Laskaris N. et al.
"Saccades and attention shifts to horizontal and vertical targets: an MEG study"
Brain Research. vol.1321: 105-116. 2010. doi

Laskaris N., Zafeiriou S., Garefa L.,
"Use of Random Time-Intervals (RTIs) Generation for Biometric Verification"
Pattern Recognition. vol.42(11) : 2787-2796, 2009. doi

Zigkolis C., Laskaris N.,
"Using conditional FCM to mine event-related brain dynamics"
Computers in Biology and Medicine. vol.39(4):346-354, 2009. doi

Dimitriadis S., Laskaris N. et al.
"Characterizing Dynamic Functional Connectivity Across Sleep Stages from EEG"
Brain Topography. vol.22(2):119-133, 2009. doi

Laskaris N., Zafeiriou S.
"Beyond FCM: Graph-theoretic post-processing algorithms for learning and representing the data structure"
, Pattern Recognition. vol. 41(8) : 2630– 2644, 2008. doi

Laskaris N. et al.
"A Manifold Learning approach to understanding and characterizing olfactory responses from optical-recordings"
IEEE Engineering in Medicine and Biology, vol. 27(2): 69-79, 2008. doi

Theoharatos Ch, Laskaris N. et al.
"On the perceptual organization of image databases using cognitive discriminative biplots"
EURASHIP Journal on Applied Signal Processing. vol 2007(1), (Art.ID 68165 ), 2007. doi

Theoharatos Ch, Laskaris N. et al.
"Combining self-organizing neural nets with multivariate statistics for efficient color image retrieval" Computer Vision and Image Understanding. vol.102(13): 250-258, 2006. doi

Theoharatos Ch, Laskaris N., Fotopoulos S.
"A Generic Scheme for color image retrieval based on the Wald-Wolfowitz test"
IEEE Transaction on Knoweledge Data Engneering. vol.17(6): 808-819, 2005. doi

Laskaris N., Fotopoulos S.
"A novel training scheme for Neural-Network based Vector Quantizers and its application in Image Compression"
Neurocomputing. vol.61: 421-427, 2004. doi

Laskaris N., Fotopoulos S., Ioannides A.
"Mining Information from event-related recordings"
IEEE Signal Processing Magazine. vol.21(3):,66-77, 2004. doi

Ioannides A., Corsi-Cabrera M., Fenwick P., Portilla Y., Laskaris N. et al.
"MEG tomography of human cortex and brainstem activity in waking and REM sleep saccades"
Cerebral Cortex. vol.14: 56-72, 2004. doi

Laskaris N. , Liu L.C., Ioannides A.
"Single-Trial Variability in Early Visual Neuromagnetic Responses: An Explorative Study based on the Regional Activation Contributing to the N70m peak"
NeuroImage. vol.20(2): 765-783, 2003. doi

Liu L.C., Fenwick P., Laskaris N. et al.
"The human SI response contains components related to stimulus frequency and perception in a frequency discrimination task"
Neuroscience. vol.121(1) :141-154, 2003. doi

Laskaris N., Ioannides A.
"Semantic Geodesic Maps : a Unifying Geometrical Approach for studying the Structure and Dynamics of Single Trial Evoked Potential Signals"
Clinical Neurophysiology. vol.113(8):1209-1226, 2002. doi

Ioannides A., Kostopoulos G., Laskaris N., et al.
"Timing and connectivity in the human somatosensory cortex from single trial mass electrical activity"
Human Brain Mapping. vol.5(4); pp.231-246, 2002. [10.1002/hbm.10023] doi

Laskaris N., Ioannides A.:
"Exploratory data analysis of evoked response single trials based on minimal spanning tree"
Clinical Neurophysiology. vol.112(4): 698-712, 2001. doi