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Steady-state visually evoked potentials：Focus on essential paradigms and future perspectives
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2014-10-30
张楠
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Sensory evoked potentials (SEPs) are electrical potentials,recorded from the central nervous system of humans or animals(usually EEG) whilestimulatingsense organs； they are distinct from spontaneous potentials (background EEG)，which are recorded without stimulation。Contrary to event-related potentials， SEPs are phase-locked to the stimulus. Therefore， they can be enhanced using averaging techniques over many trials (Dawson, 1954)。 They can be interpreted as the reorganization of spontaneous brain oscillations in response to a stimulus (Bas¸ ar, 1980; Bas¸ ar et al.,1999)。
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