Zobrazeno 1 - 10
of 82
pro vyhledávání: '"E. Ventouras"'
Publikováno v:
Clinical Neurophysiology. 139:90-105
Electroencephalographic analysis (EEG) has emerged as a powerful tool for brain state interpretation. Studies have shown distinct deviances of patients with schizophrenia in EEG activation at specific frequency bands.Evidence is presented for the val
Publikováno v:
Physica Medica. 104:S56
Akademický článek
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Autor:
Andreas D. Rabavilas, Costas N. Stefanis, Ch. Papageorgiou, E. Ventouras, N.K. Uzunoglu, Dimitris Koutsouris
Publikováno v:
IEEE Transactions on Information Technology in Biomedicine. 4:238-246
Long latency evoked potentials (EP's) are electrical potentials related to brain information processing mechanisms. In this paper, three-layered neurophysiologically based artificial neural network model is presented whose neurons obey to Dale's law.
Autor:
Costas N. Stefanis, N.K. Uzunoglu, Andreas D. Rabavilas, E. Ventouras, Charalambos Papageorgiou
Publikováno v:
Biotechnology & Biotechnological Equipment. 13:113-118
The localization of the intracranial neural sources of the scalp recorded electroencephalographic (EEG) signals is a major research filed during the last two decades. Evoked Potentials (EPs) are EEG signals produced when external stimuli are presente
Akademický článek
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Autor:
Constantin R. Soldatos, Ioannis Kalatzis, Hara Tsekou, E. Ventouras, Periklis Y. Ktonas, Thomas Paparrigopoulos
Publikováno v:
Computational Intelligence and Neuroscience, Vol 2010 (2010)
Computational Intelligence and Neuroscience
Computational Intelligence and Neuroscience
Sleep spindles are bursts of sleep electroencephalogram (EEG) quasirhythmic activity within the frequency band of 11–16 Hz, characterized by progressively increasing, then gradually decreasing amplitude. The purpose of the present study was to proc
Autor:
E. Ventouras, Nikolaos K. Uzunoglu, Costas N. Stefanis, Andreas D. Rabavilas, Ch. Papageorgiou
Publikováno v:
IEEE Transactions on Medical Imaging. 10:479-484
An analytic method is presented to estimate the evolution of electrical charge distribution inside the human brain related to the evoked potentials observed on the head surface. A three-layer concentric spherical human head model is adopted to expres
Autor:
N. Piliouras, Dionisis Cavouras, Constantin R. Soldatos, D. Glotsos, E. Ventouras, I. Kalatzis, Andreas D. Rabavilas, Charalambos Papageorgiou
Publikováno v:
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference. 2005
In the present study an attempt was made to focus in the differences between Obsessive-Compulsive Disorder (OCD) patients and healthy controls, as reflected by the P600 component of event-related potential (ERP) signals, to locate brain areas that ma
Publikováno v:
Trans Black Sea Region Symposium on Applied Electromagnetism.
It is widely believed that Event-Related Potentials measured at the scalp include useful information about the underlying neural mechanisms related to stimuli processing, attention and memory. For this information to be extracted the inverse problem