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Why the Human Brain Can't Multitask

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02:40
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Complete video at: http://fora.tv/conference/ideas_economy_information Nicholas Carr, author of The Shallows: What the Internet Is Doing to Our Brains, explains why the human brain struggles to process information that is presented "with the intensity and the quantity and the speed we find ourselves surrounded by today." Revising the 1956 psychology paper, "The Magical Number Seven," Carr explains that our working memory - everything comprising the consciousness at a given moment - can only hold between two and four items at a time. ----- The Ideas Economy: Information is a fresh look at knowledge management for the information age. The Economist will bring together theorists, strategists, and innovators who understand how to harness data to create value and advance individual, corporate, and social good. To view the full version of any video featured in this playlist, visit: http://fora.tv/conference/ideas_economy_information A former executive editor of the Harvard Business Review, Nicholas Carr writes and speaks on technology, business, and culture. A prolific and nimble thought leader, Mr Carr has written more than a dozen articles and interviews for Harvard Business Review and writes regularly for the Financial Times, Strategy and Business, and The Guardian. Nick's newest book, The Shallows: What the Internet is Doing to Our Brains, examines the intellectual and social consequences of the Internet. It has received unprecedented international acclaim and has been reviewed in all major news publications. Mr Carr has served as a commentator on CNBC, CNN, and other networks and has been a featured speaker worldwide at industry, educational, and government forums. In Spring 2008 CIO Insight named Carr's Does IT Matter?, one of the all-time "Top 15 Most Groundbreaking Management Books" and Ziff Davis included him as one of only a handful of IT management thought leaders on their "100 Most Influential People in IT" list.
02:53
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For years, we've known that humans can't multitask. We can serial task by switching our attention back and forth between tasks quickly, but it makes us less efficient. However, a new study shows that there is actually one way that the human brain can multitask. Join Trace as he breaks down how this new finding sheds light on our extremely limited ability to multitask. Read More: Foveal Analysis and Peripheral Selection During Active Visual Sampling http://www.pnas.org/content/111/2/E291.abstract "Picking up visual information from our environment in a timely manner is the starting point of adaptive visual-motor behavior." Our Brains Can Multitask For Visual Searches http://www.futurity.org/peripheral-vision-multitasks-search/ "Many studies suggest that pushing your brain to multitask- writing emails for instance, while watching the day's latest news and eating breakfast- leads to poorer performance and lower productivity." Watch More: Amazing Animal Vision http://www.youtube.com/watch?v=XbZ9xJUyIWY TestTube Wild Card http://testtube.com/dnews/dnews-476-allergies?utm_campaign=DNWC&utm_medium=DNews&utm_source=YT How the Blind Use Light http://www.youtube.com/watch?v=MdYyhZLG3jo ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Anthony Carboni on Twitter http://twitter.com/acarboni Laci Green on Twitter http://twitter.com/gogreen18 Trace Dominguez on Twitter http://twitter.com/trace501 DNews on Facebook http://facebook.com/dnews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com
03:27
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Chimpanzees are very smart animals, so why can’t they speak? Tara is here to explain how a gene mutation allows humans to speak, but not chimps. Read More: Humanized Foxp2 accelerates learning by enhancing transitions from declarative to procedural performance http://www.pnas.org/content/early/2014/09/11/1414542111 “The human form of forkhead box P2 (FOXP2) is the leading genetic candidate for human speech and language proficiency.” Why can’t chimps speak? Study links evolution of single gene to human capacity for language http://newsroom.ucla.edu/releases/why-can-t-chimps-speak-111961 “If humans are genetically related to chimps, why did our brains develop the innate ability for language and speech while theirs did not?” Watch More: 4 Famous Unsolved Murder Cases https://www.youtube.com/watch?v=JluqRt7pU8c&list=UUdQCVI9XYaDv4E69FX8L5wA ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Trace Dominguez on Twitter https://twitter.com/tracedominguez Tara Long on Twitter https://twitter.com/TaraLongest Laci Green on Twitter http://twitter.com/gogreen18 DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq
03:04
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Scientists are working hard to find the cause of certain brain and developmental disorders, such as autism, but are running into a serious problem: They don't have any brains! Anthony dove into the world of organ donation to tell you how and why you should donate your brain to science! Read More: Patches of Disorganization in the Neocortex of Children with Autism http://dx.doi.org/10.1056/NEJMoa1307491 "Autism involves early brain overgrowth and dysfunction, which is most strongly evident in the prefrontal cortex." Here's Why You Should Donate Your Brain to Science http://www.wired.com/2014/04/donate-brain-science/ "Scientists may have made a major breakthrough in understanding the biology of autism." Harvard Brain Tissue Resource Center http://www.brainbank.mclean.org/ Parkinson Brain Donation http://www.pdf.org/parkinson_brain_donation "Many people with Parkinson's and their family members are looking for ways to contribute to Parkinson's research." How (and Why) to Donate Your Brain to Science http://www.utne.com/mind-and-body/how-and-why-donate-your-brain-to-science.aspx#axzz2xeraXPin "By studying the human brain—not via an MRI or CT scan, but through the hands-on examination of a brain extracted from a recently deceased body—medical researchers can make stunning headway in discovering treatments or cures for diseases like autism, Parkinson's, and Alzheimer's." How Long Can A Donated Organ Last Outside The Body? http://www.transweb.org/faq/q24.shtml "If kept chilled in preservation solution, donated organs can remain viable for transplantation for a duration ranging from a few to many hours, although it is best if they are transplanted as quickly as possible after the donation surgery." Organ Donation in California http://www.dmv.org/ca-california/organ-donor.php "Did you know 18 Americans die every day waiting for an organ transplant?" How Body Farms Work http://science.howstuffworks.com/body-farm1.htm "In order to understand how body farms work, it helps to know some basics about human death and decay." How To Become A Donor https://neurobiobank.nih.gov/pages/donor/ "Any person over the age of 18 can register as a potential brain donor." Why I'm donating my brain to science (and why you should too) http://www.wired.co.uk/news/archive/2012-02/10/donating-brain-to-science "There are around 750,000 people with dementia in the UK. This figure is predicted to rise to a million people by 2021." Brain tissue donations http://www.alzheimers.org.uk/site/scripts/documents_info.php?documentID=116 "Many people with dementia and their relatives are interested in the possibility of donating their brain for dementia research after death." Stanford Brain Donation Program http://med.stanford.edu/psychiatry/narcolepsy/bdp.html#2 "To advance our understanding of the cause, course, and treatment of narcolepsy, in 2001 Stanford University started a program to obtain human brain tissue for use in narcolepsy research. " Organ Procurement and Transplant Network http://optn.transplant.hrsa.gov/ Give the Gift of Life: Become an Organ Donor http://www.dmv.org/organ-donor.php Watch More: Donating Your Body to Science https://www.youtube.com/watch?v=VP5Sd6mIQ90 TestTube Wild Card http://testtube.com/dnews/dnews-341-smart-guitar-makes-anyone-a-musician?utm_source=YT&utm_medium=DNews&utm_campaign=DNWC How Organ Donations Work https://www.youtube.com/watch?v=aO-z3R9qdYE ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Anthony Carboni on Twitter http://twitter.com/acarboni Laci Green on Twitter http://twitter.com/gogreen18 Trace Dominguez on Twitter http://twitter.com/trace501 DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq
04:03
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Every day, every single person is growing older and older. It might be depressing to think about, but eventually, we will all die. But how long could humans live for? Trace takes a look at how examining the blood of the world's oldest person could tell us how long humans can survive. Read More: Blood of world's oldest woman hints at limits of life http://www.newscientist.com/article/dn25458-blood-of-worlds-oldest-woman-hints-at-limits-of-life.html#.U16Rh-ZdX7k "Death is the one certainty in life -- a pioneering analysis of blood from one of the world's oldest and healthiest women has given clues to why it happens." The World's Oldest Person Turned 116 Today http://mashable.com/2014/03/05/worlds-oldest-person/ "Misao Okawa blew out the candles of her birthday cake on Wednesday and became the world's oldest person at the ripe old age of 116." Oldest Woman in the world 115 yrs for CNN https://www.youtube.com/watch?v=ToO0SZzn980 "CNN World Report. Henny van Andel-Schipper was until she died the oldest citizen in the World." Somatic Mutations Found in the Healthy Blood Compartment of a 115-yr-old Woman Demonstrate Oligoclonal Hematopoiesis http://genome.cshlp.org/content/early/2014/04/02/gr.162131.113 "The somatic mutation burden in healthy white blood cells (WBCs) is not well known." Somatic Mutations Found in the Healthy Blood Compartment of a 115-yr-old Woman Demonstrate Oligoclonal Hematopoiesis http://genome.cshlp.org/content/early/2014/04/02/gr.162131.113.full.pdf+html Are Telomeres The Key To Aging And Cancer? http://learn.genetics.utah.edu/content/chromosomes/telomeres/ "Inside the nucleus of a cell, our genes are arranged along twisted, double-stranded molecules of DNA called chromosomes." Watch More: Can Science Stop Aging? https://www.youtube.com/watch?v=INk3AGy-QOc TestTube Wild Card http://testtube.com/dnews/dnews-536-honey-is-magic?utm_source=YT&utm_medium=DNews&utm_campaign=DNWC 6 Ways to Stay Young https://www.youtube.com/watch?v=Zb2JFHGYq0g ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Trace Dominguez on Twitter https://twitter.com/tracedominguez Tara Long on Twitter https://twitter.com/TaraLongest Laci Green on Twitter http://twitter.com/gogreen18 DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq
04:19
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Subscribe to Talk Nerdy To Me Today: http://bit.ly/13pYPNQ Watch More Talk Nerdy to Me Here: http://bit.ly/XFlOAo HuffPost Science Correspondent Cara Santa Maria speaks with Nicholas Carr, author of The Shallows, about how the internet may be changing our brains. HuffPost Science invites you to going the discussion with top scientists covering the latest news in spaceflight, brain/body research, evolution, and the influence of science on culture. HuffPost Science video property is a part of the AOL On Network. Leave us a comment on any Aol video with your thoughts, feedback, and perspective! More Talk Nerdy To Me Read: http://www.huffingtonpost.com/news/talk-nerdy-to-me Follow: http://www.twitter.com/CaraSantaMaria Like: http://www.facebook.com/sciencecara More HuffPost Science Read: http://www.huffingtonpost.com/science/ Like: http://www.facebook.com/HuffPostScience Follow: http://en.twitter.com/HuffPostScience
03:06
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Scientists have just discovered a new, very important reason for you to get a good night's sleep. For the first time, they've actually been able to see the brain physically cleaning itself while you're catching Zzz's! Anthony explains how this cerebral garbage disposal system works. Read More: To sleep, perchance to clean http://www.eurekalert.org/emb_releases/2013-10/uorm-tsp100913.php "In findings that give fresh meaning to the old adage that a good night's sleep clears the mind, a new study shows that a recently discovered system that flushes waste from the brain is primarily active during sleep." Lymphatic system http://en.wikipedia.org/wiki/Lymphatic_system How Sleep Works http://science.howstuffworks.com/life/inside-the-mind/human-brain/sleep2.htm Missing Sleep: One way to understand why we sleep is to look at what happens when we don't get enough. Coping With Excessive Sleepiness http://www.webmd.com/sleep-disorders/excessive-sleepiness-10/10-results-sleep-loss "You know lack of sleep can make you grumpy and foggy. You may not know what it can do to your sex life, memory, health, looks, and even ability to lose weight. Here are 10 surprising -- and serious -- effects of sleep loss." Watch More: How Much Sleep Do We Need? http://www.youtube.com/watch?v=xw_hQD6nHmY TestTube Wild Card: http://testtube.com/dnews/dnews-437-pets-make-us-healthier?utm_campaign=DNWC&utm_medium=DNews&utm_source=YT Sleep Loss Screws Your Genes! http://www.youtube.com/watch?v=fAuzUt4170A ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Anthony Carboni on Twitter http://twitter.com/acarboni Laci Green on Twitter http://twitter.com/gogreen18 Trace Dominguez on Twitter http://twitter.com/trace501 DNews on Facebook http://facebook.com/dnews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com