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Answers

Which of the following is associated with REM sleep? A. sleep apnea B. somnambulism C. night terrors D. nightmares

So in this problem we're given this matrix which Is a diagonal, right, only has entries on the main diagonal. Everything else is zero and were asked to define the determinant. We can use a matrix calculator to do this with. So what you desmond dot com went to math tools matrix calculator and got this one. So I need a new matrix now and I got five rows and five columns. And the first entry up here Is a -2 And then the entry here is a three And the entry here is a -1 man. She just working my way down the main diagonal here, This is a two And the last entry down here is a -4. There's all my entries now to do the determinant. I go d E t of a and We get -48 for the answer. So there you go. Which by the way, if you multiply the entries on the diagonal there. Look what happens When one is 2 times three is -6. I was in -1 is plus six times two is 12 Times of -4 is -48. Gave us the determinant, didn't it?

What is a major component of non rem sleep? Yeah, so a major component of non rem sleep is e g, slow waves.

Hi, everyone. So today we're just going to be looking at some characteristics of non rim and REM sleep. Now sleep is a type of circadian rhythm. A circadian rhythm is simply put, an internal process that regulates certain cycles in our body. So go ahead and put that down. And these circadian rhythms usually repeat every 24 hours. Now REM stands for rapid eye movement. Ah, that's the rim, the same room in non Prem and REM sleep. And it means exactly what you think. It means. Just rapid, no eye movement or your eyes moving fast, and we'll see why that's important in a second. Finally, the last term that we're just going to define quickly. Um, Izz e G, which stands for electro anencephalic graham and what this is, is an instrument or machine that measures brain activity and is helpful, especially in measuring brain activity while we sleep. Now, if we go ahead and just divide up per page here, um, we can go ahead and just kind of find some characteristics of non Roman Rem sleep. Now non Rome comes before ram in the sleep cycle, and some characteristic characteristics include, um, for one little to no rapid eye movement and that makes sense, right? It's in the name, non rapid eye movement. Also, our blood pressure, our heart rate and even our breathing rate decreases. Additionally, a brain activity which is measured using e g, also decreases. Non room makes up about 75 to 80% of our sleep time. Our total sleep time. Now what comes next is REM sleep now Rem sleep is characterized by as the name suggests rapid eye movement so we can see rapid eye movement here in REM sleep but obviously not in non rem sleep. Also, this is where dreaming occurs and loving sense, right? Because if we're dreaming, you know, oftentimes were looking around in our dreams and that would account for the rapid eye movement that's measured by scientists as they're watching. Um, and observing people sleep, um, and using that e g to measure their brain activity. Right? Also, our blood pressures and our heart raids and breathing rates tend to fluctuate a lot more in rem sleep. And finally this, uh, rooms. REM sleep makes up about 20 to 25% off our total sleep time, so that's pretty crazy. right. In the total amount of time that we sleep, we might only be dreaming for maybe 20 to 25% of it. Not a question. Yeah. There you go. So these are just some characteristics of non REM and REM sleep.


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