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Ingeniería Electrónica, Automática y Comunicaciones
versión On-line ISSN 1815-5928
Resumen
RUIZ GONZALEZ, Yusely y GONZALEZ MOREIRA, Eduardo. A new approach to detect stable frames carrying information on EEG signals. EAC [online]. 2012, vol.33, n.1, pp. 71-77. ISSN 1815-5928.
Experimental evidence proposes that complex cognitive functions and behavioral acts are arranged at global levels in the brain and they come up from synchronized operation of localize brain areas. Within this synchronized spatial domain (frame), the content of the subjective percept is encoded as a spatial pattern of amplitude. Stable frames have been study using cone fitting to the phase structure obtained by Hilbert transform. Due to cone fitting is a high time consuming tool a new method, simple and quick, to detect stable frames is presented. Comparison of both methods are carried out showing a high level of coincidence, in time, of the frames detected by the cone fitting method and the new method, also patterns can be clearly distinguishable using the new method
Palabras clave : stable frame; phase transition; amplitude pattern.