|
This is just a FREE sample preview of the essay
Subscribe to Essay Galaxy for instant access to view the entire paper
Essay Galaxy - Dreams
Dreams
Most of us dream four to five times a night during periods of rapid eye movement, or REM, sleep, which interrupt deep sleep at approximately 90-minute intervals. Since REM sleep and it's link to dreaming were discovered in 1953, much has been learned about the changes in the brain state that triggers dreams. We now know that the brain alternates between two peak states of activity: one during waking, when the brain is controlled by the neurotransmitters norepinephrine and serotonin, and one during REM sleep, when it's controlled by the neutransmitter acetylcholine. When we're awake, we're rational, self-aware and able to focus, pay attention, respond to external stimuli and control our thoughts and behavior. When we're asleep, acetylcholine - producing cells in the lower brain trigger bursts of electrical ac....
|
|
Number Of Pages: 5 |
Number Of Words: 1143 |
Got a term paper due soon and need some help quick? You have come to the right place. Essay
Galaxy has over 50,000 essays, papers, and reports available for download right now! Get
ideas from thousands students just like you to help make that essay perfect. Don't hesitate.
Join today and get instant access to our enormous database.
|
Membership Options |
Price |
Savings |
|
1 month subscription |
$19.95 recurring |
* |
3 months subscription |
$39.95 recurring |
$19.90 |
6 months subscription |
$69.95 non-recurring |
$49.75 |
|
|
Credit card and check processing is provided by PayPal and is 100% safe and secure
|