Asked by Mackenzie Terry on Sep 30, 2024
Melanie had a brain injury,and the ascending fibres in her reticular activating system were damaged.What is a likely consequence of the injury
A) She will no longer experience stage 2 or stage 3 sleep.
B) She will not wake up.
C) She will not be able to sleep for more than a few minutes at a time.
D) She will no longer experience REM sleep.
Ascending Fibres
Nerve fibers that carry information from the body's sensory receptors upward to the brain, particularly pertinent to the sensory pathways.
Reticular Activating System
A network of neurons located in the brainstem that plays a central role in regulating wakefulness and sleep-wake transitions.
REM Sleep
A stage of sleep characterized by rapid eye movement, vivid dreams, and increased brain activity.
- Understand the physiological mechanisms controlling sleep and wakefulness.
Learning Objectives
- Understand the physiological mechanisms controlling sleep and wakefulness.