Sleep RAS EEG - Sleep Haytham Eloqayli RAS excitatory area...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Sleep Haytham Eloqayli
Background image of page 1

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

View Full DocumentRight Arrow Icon
RAS excitatory area located in the reticular substance of the upper mid-pons and mesencephalon Inhibitory reticuler area located in the reticular substance of the lower mid-pons and medulla
Background image of page 2
RAS
Background image of page 3

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

View Full DocumentRight Arrow Icon
RAS excitatory area -it receive sensory signals from periphery, face, cortex (exitatory control). -it is under control of the inhibitory effect of the inhibitory reticular area -functions: Wakefulness, maintain tone in the antigravity muscles, control levels of activity of the spinal cord reflexes. -Use acetylcholine as a neurotransmitter.
Background image of page 4
RAS cutting the brain stem above the point where the fifth cerebral nerves enter the pons remove the sensory signals from face and periphery lead to loss of excitation leading to coma cutting the brain stem below the point where the fifth cerebral nerves enter the pons remove the sensory signals from periphery but keep those from the face so keep excitation and wakefulness. cutting the brain stem below the point where the fifth
Background image of page 5

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

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/24/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

Page1 / 18

Sleep RAS EEG - Sleep Haytham Eloqayli RAS excitatory area...

This preview shows document pages 1 - 6. Sign up to view the full document.

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