AskScience AMA Series: We're neuroscientists at Northwestern who just published a study on two-way communication with lucid dreamers (video of experiment & paper in description). AUA! |
- AskScience AMA Series: We're neuroscientists at Northwestern who just published a study on two-way communication with lucid dreamers (video of experiment & paper in description). AUA!
- How many spikes are there on a single SARS-CoV-2 virus? Does it vary from virus to virus?
- Is there a system of geographical coordinates in space?
- Is space-time curved or flat in the centre of the Earth?
- Which facial features are the most important to the brain when remembering someone?
- How does microwave oven generate MW waves from 50hz?
- Why astronomer can't apply a basic median filter to remove satellites trails?
- Will getting the Johnson and Johnson vaccine impact the efficacy of future gene therapy treatments?
- What is the advantage of using an adenovirus from chimpanzee compared to adenoviruses from human to develop a vaccine?
- Particle size distribution in soil. Gaussian, Power law, log normal?
- In video games, why is it that the higher the resolution the lesser the strain on the CPU?
- Is it possible for an eruption like the one that created the Siberian Traps happen today? Is earth more geologically stable now than it was?
- Why are modern rockets still shaped like, well, rockets?
| Posted: 05 Mar 2021 04:00 AM PST Hi Reddit! We just published a study on live two-way communication with lucid dreamers - watch VIDEO of the experiment here. AUA! Hi! My name is Karen Konkoly and I'm a third-year PhD student in Ken Paller's cognitive neuroscience lab at Northwestern University. My projects focus on lucid dreaming and how it can be used to learn more about sleep, dreams, and consciousness more broadly. I've been studying lucid dreaming for 7 years - since my sophomore year of college - when I attended an 8-day lucid dreaming retreat in Hawaii to garner ideas for my undergraduate senior thesis. (I subsequently concluded that the research was awesome.) The following summer, I worked at Brown University as a William E. Dement sleep research apprentice, and I gave a TEDx talk on lucid dreaming that fall. In my senior thesis, I taught participants to lucid dream in a month-long course, and I found that participants tended to feel less stressed and more vigorous the day after they had a lucid dream. After graduating from Lehigh, I interned at the Neuroscience and Psychology of Sleep lab at Cardiff University in Wales, assisting with an overnight project on presenting sounds during REM sleep. While in Wales, I also collaborated with researchers at nearby Swansea University to develop a new method of inducing lucid dreams. This method, dubbed Targeted Lucidity Reactivation, was able to induce lucid dreams in half of the participants in a single nap session. Now at Northwestern, I'm testing new methods and applications for communicating with dreamers. Hi there, Reddit! I'm Ken Paller, a Professor at Northwestern University, where I hold the James Padilla Chair in Arts & Sciences and serve as director of the training program in the neuroscience of human cognition. I'm a Fellow of the Association for Psychological Science, a Senior Fellow of the Mind and Life Institute, and was awarded the Senator Mark Hatfield Award from the Alzheimer's Association. My research has focused on human memory and consciousness - using a variety of methods including electrophysiology, neuropsychology, and neuroimaging - and my findings have contributed to understanding features of conscious memory experiences as well as ways in which memory operations differ in the absence of awareness of memory retrieval, as in implicit-memory priming, intuition, and implicit social bias. I've published nearly 200 scientific articles, reviews, and book chapters, some of which you can find on my lab website. Some of my research has concerned patients with memory disorders, including evidence linking memory deficits to poor sleep. Recent studies from my lab showed that memory processing during sleep can reinforce prior learning, providing novel evidence on sleep's role in memory. Our most recent paper00059-2) described innovative research on two-way communication during REM sleep. We demonstrated the feasibility of real-time dialogue between an experimenter and someone in the midst of a lucid dream. Experimenters asked questions for which the correct answer was known so that we could determine whether effective communication was achieved. When dreamers responded, their answers were given via eye movements or facial muscle twitches - and they were usually correct. The first successful two-way communication during sleep was achieved in the lab in the early morning of January 9th, 2019. Karen gave Christopher Mazurek, a research participant and now a member of the lab group, the math problem 8 minus 6, which Christopher answered correctly. (At the time, we were unaware of similar studies in Germany by Kris Appel and in France by Delphine Oudiette and colleagues. Later, we decided to publish our results together.) Further applications of this method, which NOVA PBS captured for the first time on film in a digital documentary on YouTube and wrote about in an article, can now probe conscious dream experiences as they happen, and who knows what else! We're looking forward to today - we'll be on at 4:00 p.m. EST (21 UT), AUA! Username: /u/novapbs [link] [comments]  |
| How many spikes are there on a single SARS-CoV-2 virus? Does it vary from virus to virus? Posted: 04 Mar 2021 05:15 PM PST |
| Is there a system of geographical coordinates in space? Posted: 04 Mar 2021 12:23 PM PST Let's say I want to tell someone exactly where was the earth 6 month ago in space. Is there some kind of system like on earth to tell a specific position in the universe? Given that earth is moving around a sun moving in a galaxy in an expending universe, I struggle to imagine a system of coordinate that could allow to give the specific location of a point in the universe if everything is moving. If that exists, how is it 'expressed'? Like what will be earth 'location' in the universe in 6 month from now? [link] [comments]  |
| Is space-time curved or flat in the centre of the Earth? Posted: 05 Mar 2021 02:50 AM PST We know that gravity curves space-time, and this is what causes downward acceleration for the object sitting on the surface. But what about the centre of the Earth? There is no gravity related acceleration, so does it mean that the space-time in the centre of the planet is perfectly flat? [link] [comments]  |
| Which facial features are the most important to the brain when remembering someone? Posted: 04 Mar 2021 04:05 PM PST |
| How does microwave oven generate MW waves from 50hz? Posted: 04 Mar 2021 11:01 PM PST The input AC is merely 50Hz or (60Hz in a some countries) i.e. the current is changing direction merely 50 times/sec. The waves generated by this current should have a frequency equal to that of the current. How does my kitchen microwave generate waves of 300Mhz and above in the MW range? [link] [comments]  |
| Why astronomer can't apply a basic median filter to remove satellites trails? Posted: 04 Mar 2021 11:46 PM PST I often see people complaining about the fact that LEO constellations would prevent science from being done, but I can't find any explanation on why a basic median filter (which even casual hobbyists know about) wouldn't easily remove the trails. I have read the report from NOIRLab but still it's not clear to me why it would be so hard to remove satellites trails using basic image processing. The only field of astronomy where I understand why it would be difficult is to detect objects that orbit the Earth, but it's not like comets or asteroids orbit the Earth. Edit: to be clear about what I mean by median filter: take at least 3 pictures and for each pixel, keep the median value. I guess the real term is median stacking or median blending. [link] [comments]  |
| Will getting the Johnson and Johnson vaccine impact the efficacy of future gene therapy treatments? Posted: 04 Mar 2021 07:24 PM PST Given that the Johnson and Johnson vaccine and many gene therapy treatments both use adenoviruses as a vector, could getting the J&J vaccine limit your options or decrease the efficacy of gene therapy treatments later in life? I was wondering if your body might recognize the gene therapy virus as the J&J vaccine virus and attack it before it can get its job done. [link] [comments]  |
| Posted: 04 Mar 2021 11:47 AM PST |
| Particle size distribution in soil. Gaussian, Power law, log normal? Posted: 04 Mar 2021 09:19 AM PST I'm looking for the particle size distribution in soil. Does anyone know anything about that? is there a more relevant subreddit for my question? [link] [comments]  |
| In video games, why is it that the higher the resolution the lesser the strain on the CPU? Posted: 04 Mar 2021 01:44 PM PST Hey. I am not very tech savvy so don't attack me if i say something dumb. I have read somewhere that in video gaming, playing in higher resolution lessens the strain on the CPU, because the GPU gets busier. So for instance, if you have a very good graphics card, but an ancient CPU, it makes more sense to game in 3840x2160p rather than 1920x1080p. Is that right? If so, why? Why would a higher resolution take away strain frim the CPU? I understand the graphics card gets busier, but why would that make it easier for the CPU? Of course that applies to any other potentially resources-intensive computer programs but video games are probably the best example. [link] [comments]  |
| Posted: 04 Mar 2021 07:41 AM PST |
| Why are modern rockets still shaped like, well, rockets? Posted: 04 Mar 2021 07:57 AM PST In the context of seeing SpaceX launching and landing and reusing rockets, I'm wondering why modern rockets haven't evolved to other shapes and forms, what's limiting this development? Aside from funny videos of SpaceX rockets toppling over at landing of course. [link] [comments]  |
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