Search Results - "Dimitriadis, S I"

Transition dynamics of EEG-based network microstates during mental arithmetic and resting wakefulness reflects task-related modulations and developmental changes by Dimitriadis, S. I., Laskaris, N. A., Micheloyannis, S.

“…We studied how maturation influences the organization of functional brain networks engaged during mental calculations and in resting state. Surface EEG…”
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Analyzing Functional Brain Connectivity by Means of Commute Times: A New Approach and its Application to Track Event-Related Dynamics by Dimitriadis, S. I., Laskaris, N. A., Tzelepi, A., Economou, G.

“…There is growing interest in studying the association of functional connectivity patterns with particular cognitive tasks. The ability of graphs to encapsulate…”
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Genetic risk for schizophrenia is associated with altered visually-induced gamma band activity: evidence from a population sample stratified polygenic risk by Dimitriadis, S. I., Perry, G., Foley, S. F., Tansey, K. E., Jones, D. K., Holmans, P., Zammit, S., Hall, J., O’Donovan, M. C., Owen, M. J., Singh, K. D., Linden, D. E.

“…Gamma oscillations (30–90 Hz) have been proposed as a signature of cortical visual information processing, particularly the balance between excitation and…”
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Altered temporal correlations in resting-state connectivity fluctuations in children with reading difficulties detected via MEG by Dimitriadis, S.I., Laskaris, N.A., Simos, P.G., Micheloyannis, S., Fletcher, J.M., Rezaie, R., Papanicolaou, A.C.

“…In this study we investigate systematic patterns of rapidly changing sensor-level interdependencies in resting MEG data obtained from 23 children experiencing…”
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Random forest feature selection, fusion and ensemble strategy: Combining multiple morphological MRI measures to discriminate among healhy elderly, MCI, cMCI and alzheimer’s disease patients: From the alzheimer’s disease neuroimaging initiative (ADNI) database by Dimitriadis, S.I., Liparas, Dimitris, Tsolaki, Magda N.

“…•1st place in International Challenge for Automated Prediction of MCI from MRI Data.•Multi-class classification of normal control, MCI, converting MCI, and…”
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Exploiting the temporal patterning of transient VEP signals: A statistical single-trial methodology with implications to brain–computer interfaces (BCIs) by Liparas, D., Dimitriadis, S.I., Laskaris, N.A., Tzelepi, A., Charalambous, K., Angelis, L.

“…•Single-trial TVEPs encode information about stimulus that can be robustly detected within a well-defined latency-range.•The response is readily enhanced by…”
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Genetic risk for schizophrenia is associated with increased proportion of indirect connections in brain networks revealed by a semi-metric analysis: evidence from population sample stratified for polygenic risk by Dimitriadis, S I, Perry, G, Lancaster, T M, Tansey, K E, Singh, K D, Holmans, P, Pocklington, A, Davey Smith, G, Zammit, S, Hall, J, O’Donovan, M C, Owen, M J, Jones, D K, Linden, D E

“…Abstract Research studies based on tractography have revealed a prominent reduction of asymmetry in some key white-matter tracts in schizophrenia (SCZ)…”
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On the Quantization of Time-Varying Phase Synchrony Patterns into Distinct Functional Connectivity Microstates (FCμstates) in a Multi-trial Visual ERP Paradigm by Dimitriadis, S. I., Laskaris, N. A., Tzelepi, A.

“…The analysis of functional brain connectivity has been supported by various techniques encompassing spatiotemporal interactions between distinct areas and…”
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A prolonged maturational time course in brain development for cortical processing of temporal modulations by Dimitriadis, S.I, Linden, D, Singh, K.D, Jones, D.K

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A tensorial approach to access cognitive workload related to mental arithmetic from EEG functional connectivity estimates by Dimitriadis, S. I., Yu Sun, Kwok, K., Laskaris, N. A., Bezerianos, A.

“…The association of functional connectivity patterns with particular cognitive tasks has long been a topic of interest in neuroscience, e.g., studies of…”
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Go with the Winner: Optimizing Detection of Modular Organization Differences in Dynamic Functional Brain Networks by Dimitriadis, S. I., Laskaris, N., Tzelepi, A.

“…The modular structure of human brain network(s) is well established. Despite numerous and increasing studies that examine brain's modular organization based on…”
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Erratum - Influence of heat treatment on the microstructure and the physical and mechanical properties of dental highly translucent zirconia by K Dimitriadis, AK Sfikas, S Kamnis, P Tsolka, S Agathopoulos

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Influence of heat treatment on the microstructure and the physical and mechanical properties of dental highly translucent zirconia by Dimitriadis, Konstantinos, Sfikas, Athanasios Konstantinou, Kamnis, Spyros, Tsolka, Pepie, Agathopoulos, Simeon

“…PURPOSE. Microstructural and physico-mechanical characterization of highly translucent zirconia, prepared by milling technology (CAD-CAM) and repeated firing…”
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Metal-ceramic bond strength between a feldspathic porcelain and a Co-Cr alloy fabricated with Direct Metal Laser Sintering technique by Dimitriadis, Konstantinos, Spyropoulos, Konstantinos, Papadopoulos, Triantafillos

“…PURPOSE. The aim of the present study was to record the metal-ceramic bond strength of a feldspathic dental porcelain and a Co-Cr alloy, using the Direct Metal…”
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Adaptive EY-NPMA: A Medium Access Protocol for Wireless LANs by Dimitriadis, Gerasimos, Pavlidou, Foteini-Niovi

“…Wireless local area networks have known an increasing popularity during the past few years. However, as new user applications diverge from the traditional…”
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