NPB+112+11+JFA-3-10-11_SleepEEG

NPB+112+11+JFA-3-10-11_SleepEEG - CONSCIOUSNESS, SLEEP...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
CONSCIOUSNESS, SLEEP ELECTROENCEPHALOGRAPHY and ANESTHESIA Joseph Antognini, M.D. University of California, Davis CONSCIOUSNESS • Normal consciousness—awareness of one’s self and one’s environment and the ability to respond to changes in these. Alertness is part of normal consciousness. • Much has to happen for normal consciousness to occur • Normal blood pressure and blood flow to brain • Adequate oxygen and carbon dioxide levels • Normal temperature, normal electrolytes, glucose • No tumors or infection • No seizures • No drugs • No trauma
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
AWARENESS • Wakefulness: Eyes open/readiness to accept stimuli: it’s objective • Awareness: a subjective on-going “knowledge” of one’s environment and surroundings • Memory might (or might not) be a component of these
Background image of page 2
CONSCIOUSNESS Altered states of consciousness Drug induced Sleep Coma—unconscious and unarousable (to internal/external stimuli) Concussion Persistent vegetative state (PVS)—irregular cyclic arousal but no self-awareness Minimally Conscious State Post-ictal (post seizures) Absence seizures Akinetic mutism Locked-in syndrome Brain death
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Adapted from Koch, Laureys
Background image of page 4
http://www.smarterdesigns.com/blog/terri.jpg A Conundrum • Are vegetative patients aware?
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Detecting awareness in the vegetative state
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 03/26/2011.

Page1 / 26

NPB+112+11+JFA-3-10-11_SleepEEG - CONSCIOUSNESS, SLEEP...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online