Titlebook: Cerebral Monitoring in the Operating Room and the Intensive Care Unit; Enno Freye Book 1990 Kluwer Academic Publishers 1990 Trauma.brain.b

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The principle of Somatosensory Evoked Potential Monitoring,There are distinct differences between the recording of evoked potentials and the recording of an EEG for spectral analysis:

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Optimising signal-to-noise ratio,Electrical noise and interfering signals contain a random mixture of all frequencies, whereas the evoked potential only contains selected frequencies. The objective in filtering is to remove noise which does not overlap the signal by blocking it from entering the computer system (Fig. 73).

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Visual Evoked Potentials (VEPs),The purpose of this type of evoked potential measurement is the noninvasive evaluation of the functional state of optic pathways between the retina and the visual cortex. It is useful in the search for organic evidence of a deficit (Fig. 107).

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Cerebral Monitoring in the Operating Room and the Intensive Care Unit978-94-009-1886-3Series ISSN 0924-5294

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假設(shè)

https://doi.org/10.1007/978-88-7642-520-2sthesia equipment (i.e. respirator, anesthesia machine, ECG recording device, heart-lung machine, cell saver, etc.), not much space will be left for an additional monitor to record and process EEG activity.