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P300 are event related potentials that are widely used; however, the performance of systems based on it decrease drastically when they are transported outside a laboratory environment where the stimuli can be isolated. Since isolation of the stimulus is not always practical it is desirable to study P300 when the subjects are receiving stimuli in other senses besides sight. Thus this paper tested the...
The need of a reliable seizure prediction is motivated by the 50 million people in the world suffering from epilepsy, of whom 30% have no control on seizures with current pharmacological treatments. Seizure prediction research holds great promise for such patients, since an effective algorithm will enable the development of a closed-loop system that intervenes before the clinical onset of a seizure...
This work describes the design and operation of a electrocardiograph capable of acquiring simultaneous recordings of 12-lead for the study of the spatial variability of ventricular repolarization intervals. The electrocardiography system consists of an acquisition module with a dedicated channel for each lead with a circuit for detection of lead failure. Each channel has a gain of 1000, a CMRR of...
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