Our "Big Brain" with Dr. Gary Lynch (BSP 48)

Episode 48 of the Brain Science Podcast is an interview with Gary Lynch, PhD, co-author of Big Brain: The Origins and Future of Human Intelligence. While it is generally agreed that one of the most striking features of the human brain is its large size, not everyone agrees about how and why our brains came to be so large. In this interview Dr. Lynch presents some rather radical theories about how the human brain evolved. We discuss the pros and cons of his theories as well as the challenges faced by researchers trying to work in this field.

Listen to Episode 48

Visit the Brain Science Podcast website for detailed Show Notes and Links.

The next episode of the Brain Science Podcast will be an interview with Dr. Brenda Milner. This interview will is a follow-up to Marc Pelletier's excellent interview of Dr. Milner on Futures in Biotech: http://www.twit.tv/fib33.

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Highlights from Dragon*Con 2008 (B&I 22)

"The Mayor"Ginger as "The Mayor" (see below) Episode 22 of Books and Ideas is my summary of my recent trip to Dragon*Con 2008 in Atlanta, Georgia. It was a great opportunity to spend time with other podcasters, but the highlight of the weekend was our late night performances of Dr. Horrible's Sing-Along Blog. I had a non-singing part in Act 3 (as the mayor).

Listen to Episode 22 of Books and Ideas

Show Notes and Links

Stuff I did:

Podcasters:

Podcasting Awards As I mentioned above I really enjoyed being a part of the first live performances of Joss Whedon's Dr. Horrible's Sing-Along Blog (think Rocky Horror Picture Show) which was put on by the cast and crew of Buffy Between the Lines. Writer Tabitha Grace Smith was interviewed in Episode 18 of Books and Ideas. Kinsey, who made a video of my brief appearance does a very interesting podcast about living in Brazil (called Brazilianisms). Go to http://buffybetweenthelines.com to learn more about the rest of the cast. Special thanks to Beatnik Turtle for the new theme song "The Open Door."

Listen to Episode 22 of Books and Ideas

Subscribe to Books and Ideas Podcast Subscribe to Books and Ideas in iTunes™ Subscribe Books and Ideas Podcast by email Leave comments at the Discussion Forum If I met you at Dragon*Con but forgot to link to your site please send me email at docartemis at gmail.com!
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Why do so many women like Sarah Palin?

I am mystified by the polls that show how popular Sarah Palin with women voters, but today I got an email from a fan of the Brain Science Podcast who pointed me to a piece by Sam Harris that may shed some light on the phenomena. Harris is a neuroscientist and he observes that when people listen to politicians like Palin what they say may bypass the frontal lobes (where logical thinking occurs) and go straight to the limbic (emotional) brain. Harris started with this chilling observation:
Let me confess that I was genuinely unnerved by Sarah Palin's performance at the Republican convention. Given her audience and the needs of the moment, I believe Governor Palin's speech was the most effective political communication I have ever witnessed. Here, finally, was a performer who—being maternal, wounded, righteous and sexy—could stride past the frontal cortex of every American and plant a three-inch heel directly on that limbic circuit that ceaselessly intones "God and country." If anyone could make Christian theocracy smell like apple pie, Sarah Palin could. (Click here to read more.)

However, what is probably even more disturbing is that modern neuroscience also suggests that once people choose a candidate (even if the choice is emotional) they seldom change their minds, even when confronted with negative facts about the candidate. Does that mean that women don't care about global warming or the fact that Palin is less competent to be president than I am? (At least I have a passport and have actually visited Europe!)

Robert Burton,MD who was interviewed in Episode 43 of the Brain Science Podcast has excellent blog post in Salon reviewing the neuroscience of voter behavior: http://www.salon.com/env/mind_reader/2008/09/22/voter_choice/index.html.

There are at least two excellent books available on this topic:

One point that Lakoff makes that I think resonates with Dr. Burton's book On Being Certain: Believing You Are Right Even When You're Not is that Democrats need to let go of the Enlightenment myth of the rational mind. People vote with their hearts (emotions and unconscious parts of the brain) not with their heads, which ironically can even lead them to vote against their own ideals. As for me, when I think about Sarah Palin, my amygdala fills me with fear, disgust and dread! Note: this last sentence seems to have provoked a lively discussion. You can join in the comments over on the Brain Science Podcast website: http://docartemis.com/brainsciencepodcast/2008/09/22/why-do-so-many-women-like-sarah-palin/#comments

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Recorded LIVE at Dragon*Con 2008 (BSP 46)

Dragon*Con 2008 Dragon*Con 2008 Brain Science Podcast #46 is a discussion of brain imaging with Dr. Shella Keilholz and Dr. Jason Schneiderman. The focus of our discussion is functional magnetic resonance imaging (fMRI), which is revolutionizing neuroscience. We talked about both the strengths and weaknesses of this technique. Both of my guests agree that mainstream coverage of this technique tends to exagerate what we can actually tell from this kind of brain scan. An important principle is that the scan of any single individual can vary greatly from day-to-day, which means that valid conclusions require data from a large number of people.

Listen to Episode 46 of the Brain Science Podcast

Click here for links and detailed show notes

Send email feedback to Ginger Campbell, MD at docartemis at gmail.com

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Why I have to take a stand against Sarah Palin

I usually avoid politics in my blogs and podcasts, but I just got an email that made me realize that I have to speak out against Sarah Palin. When she was first nominated I couldn't believe that the average American woman would fall for such an obvious ploy. However, the polls show that I was wrong! The idea of having her one heart beat away from the presidency is down right frightening, and I am not particularly prone to panic. If you don't know why I am worried, please read the following essay, which I received via email:
I am having Sarah Palin nightmares. I dreamt last night that she was a member of a club where they rode snowmobiles and wore the claws of drowned and starved polar bears around their necks. I have a particular thing for Polar Bears. Maybe it's their snowy whiteness or their bigness or the fact that they live in the arctic or that I have never seen one in person or touched one. Maybe it is the fact that they live so comfortably on ice. Whatever it is, I need the polar bears. I don't like raging at women. I am a Feminist and have spent my life trying to build community, help empower women and stop violence against them. It is hard to write about Sarah Palin. This is why the Sarah Palin choice was all the more insidious and cynical. The people who made this choice count on the goodness and solidarity of Feminists. But everything Sarah Palin believes in and practices is antithetical to Feminism which for me is part of one story -- connected to saving the earth, ending racism, empowering women, giving young girls options, opening our minds, deepening tolerance, and ending violence and war. I believe that the McCain/Palin ticket is one of the most dangerous choices of my lifetime, and should this country chose those candidates the fall-out may be so great, the destruction so vast in so many areas that America may never recover. But what is equally disturbing is the impact that duo would have on the rest of the world. Unfortunately, this is not a joke. In my lifetime I have seen the clownish, the inept, the bizarre be elected to the presidency with regularity. Sarah Palin does not believe in evolution. I take this as a metaphor. In her world and the world of Fundamentalists nothing changes or gets better or evolves. She does not believe in global warming. The melting of the arctic, the storms that are destroying our cities, the pollution and rise of cancers, are all part of God's plan. She is fighting to take the polar bears off the endangered species list. The earth, in Palin's view, is here to be taken and plundered. The wolves and the bears are here to be shot and plundered. The oil is here to be taken and plundered. Iraq is here to be taken and plundered. As she said herself of the Iraqi war, "It was a task from God." Sarah Palin does not believe in abortion. She does not believe women who are raped and incested and ripped open against their will should have a right to determine whether they have their rapist's baby or not. She obviously does not believe in sex education or birth control. I imagine her daughter was practicing abstinence and we know how many babies that makes. Sarah Palin does not much believe in thinking. From what I gather she has tried to ban books from the library, has a tendency to dispense with people who think independently. She cannot tolerate an environment of ambiguity and difference. This is a woman who could and might very well be the next president of the United States. She would govern one of the most diverse populations on the earth. Sarah believes in guns. She has her own custom Austrian hunting rifle. She has been known to kill 40 caribou at a clip. She has shot hundreds of wolves from the air.
I suspect that these numbers have been exaggerated! However, I think shooting even one wolf from the air is too many. (check rumors about Sarah Palin at Snopes.com) Please see the end of this post for more links.
Sarah believes in God. That is of course her right, her private right. But when God and Guns come together in the public sector, when war is declared in God's name, when the rights of women are denied in his name, that is the end of separation of church and state and the undoing of everything America has ever tried to be. I write to my sisters. I write because I believe we hold this election in our hands. This vote is a vote that will determine the future not just of the U.S., but of the planet. It will determine whether we create policies to save the earth or make it forever uninhabitable for humans. It will determine whether we move towards dialogue and diplomacy in the world or whether we escalate violence through invasion, undermining and attack. It will determine whether we go for oil, strip mining, coal burning or invest our money in alternatives that will free us from dependency and destruction. It will determine if money gets spent on education and healthcare or whether we build more and more methods of killing. It will determine whether America is a free open tolerant society or a closed place of fear, fundamentalism and aggression. If the Polar Bears don't move you to go and do everything in your power to get Obama elected then consider the chant that filled the hall after Palin spoke at the RNC, "Drill Drill Drill." I think of teeth when I think of drills. I think of rape. I think of destruction. I think of domination. I think of military exercises that force mindless repetition, emptying the brain of analysis, doubt, ambiguity or dissent. I think of pain. Do we want a future of drilling? More holes in the ozone, in the floor of the sea, more holes in our thinking, in the trust between nations and peoples, more holes in the fabric of this precious thing we call life? Drill, Drill, Drill (from Eve Ensler's blog) posted September 8, 2008
Back in 1964 people were afraid that Barry Goldwater's extremism would lead to disaster, but now the Democrats seem unwilling to speak out against something much more dangerous. Note: the idea that Sarah Palin once shot 40 caribou with a single clip apparently comes from a satirical post of imaginary quotes. Read the details.
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Attention Deficit Disorder with Dr. John Ratey (BSP 45)

Have you ever wondered why a child with ADD can play videos games for hours but can’t concentrate on his homework for a few minutes? This is one of the paradoxes of attention-deficit disorder that  John J Ratey, MD, co-author of Driven To Distraction : Recognizing and Coping with Attention Deficit Disorder from Childhood Through Adulthood, explains in Episode 45 of the Brain Science Podcast. During this interview Dr. Ratey discusses the latest findings about the biological basis of what he calls “attention variability disorder.” He also offers practical advice for patients and parents dealing with ADD/ADHD. One very important, and somewhat surprising, fact that he shares is that patients who are treated with medications during adolescence have a significantly lower risk of developing problems with addiction and drug abuse later on compared to those who are not treated. Also, successful “ADDers” like Michael Phelps show that “having a mission” makes a huge difference. Dr. Ratey’s most recent book is Spark: The Revolutionary New Science of Exercise and the Brain, which he discussed with me (Dr. Campbell) in Episode 33.

Listen to Episode 45 of the Brain Science Podcast

Links and Show Notes for Episode 45

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My Schedule for Dragon*Con 2008

I have posted my schedule of appearances for Dragon*Con 2008, which is being held in Atlanta, GA, August 28- September 1. Send me an email at docartemis at gmail.com if you would like to get together during the Con.  Please mark your schedule for the LIVE Brain Science Podcast Sunday at 2:30 PM and my presentation “The New Brain Science” on Monday at 2:30 PM. Click here for a detailed list of my appearances.
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Daniel Siegel, MD on Meditation and the Brain (BSP 44)

Daniel Siegel, MD In Episode 44 of the Brain Science Podcast I talk with Daniel Siegel, MD about meditation and the brain. Dr. Siegel is the author of several books including The Mindful Brain: Reflection and Attunement in the Cultivation of Well-Being. In this interview we review the scientific evidence about how mindfulness meditation changes the brain, both in terms of short term activity and in terms of long-term structural changes. The evidence is convincing that a regular mindfulness practice can be an important element of brain health.

Listen to Episode 44 of the Brain Science Podcast

Click here for detailed show notes and links

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Part 2 of "On Being Certain" with Robert Burton, MD (BSP 43)

Episode 43 of the Brain Science Podcast is an interview with Robert A Burton, MD, author of On Being Certain: Believing You Are Right Even When You're Not, which I discussed in Episode 42. Dr. Burton tells us what inspired him to write this book and we explore some of the implications of the fact that what he calls the "feeling of knowing" comes from our unconscious, including the fact that it is not as reliable as it feels.

Listen to Episode 43 of the Brain Science Podcast

Show Notes and Links

Robert A Burton, MD

Previous Episodes of the Brain Science Podcast:
  • Episode 42: Part 1 of our discussion of On Being Certain
  • Episode 13: Unconscious Decisions-featuring Blink by Malcom Gladwell
  • Episode 15: Interview with Read Montague about unconscious decisions
Other scientists/writers mentioned in this episode: Other terms mentioned in the interview: Cotard's Syndrome: when the patient believes they do not exist or that they are dead cognitive dissonance: a mismatch between what one believes and what the evidence supports

Listen to Episode 43 of the Brain Science Podcast

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Check out Our New Theme Song from Beatnik Turtle

Since I am busy preparing for my upcoming presentations at Dragon*Con I have decided to postpone the next episode of the Books and Ideas Podcast until September, 2008. I have just posted a brief audio annoucement in my regular feed. I also included a song by the Beatnik Turtle called "The Open Door," which I intend to use as the new them music for Books and Ideas. If you have feedback on the music please send me email at docartemis at gmail.com or visit the Books and Ideas section of the Brain Science Podcast Discussion Forum.

Listen to the audio announcement

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Review: "On Being Certain" (BSP 42)

Episode 42 of the Brain Science Podcast is a discussion of On Being Certain: Believing You Are Right Even When You're Not by Robert Burton, MD. This part 1 of a two part discussion of the unconscious origins of what Dr. Burton calls "the feeling of knowing." In Episode 43 I will interview Dr. Burton. Today's episode provides an overview of Dr. Burton's key ideas. In past episodes I have discussed the role of unconscious decision-making. On Being Certain: Believing You Are Right Even When You're Not by Robert Burton, MD takes this topic to a new level. First, Dr. Burton discusses the evidence that the "feeling of knowing" arises from parts of our brain that we can neither access or control. Then he discusses the implications of this finding, including the fact that it challenges long-held assumptions about the possibility of purely rational thought.

Listen to Episode 42 of the Brain Science Podcast

References and Links:

On Being Certain: Believing You Are Right Even When You're Not by Robert Burton, MD

Neisser, U., and Harsh, N. "Phantom Flashbulbs: False Recollections of Hearing the News about Challenger,"  in Affect and Accuracy in Recall: Studies of "Flashbulb" Memories, Winograd, E., and Neisser, U., (New York: Cambridge University Press, 1992)

The Seven Sins of Memory: How the Mind Forgets and Remembers by Daniel L. Schacter

The Feeling of What Happens: Body and Emotion in the Making of Consciousness by Antonio Damasio

Philosophy in the Flesh : The Embodied Mind and Its Challenge to Western Thought by George Lakoff and Mark Johnson

Other Scientists Mentioned in this Episode:

  • Leon Festinger-proposed the theory of cognitive dissonance in 1957
  • Joseph Ledoux-research with rats and the role of the amygdala in the fear response
  • Michael Merzenich-showed how the auditory cortex in young rats is affected by experience

Listen to Episode 42 of the Brain Science Podcast

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Dr. Pamela Gay talks about the Milky Way on Brains Matter

Dr. Pamela Gay, host of the popular Astronomy Cast was interviewed for the latest episode of Brains Matter. In this interview Dr. Gay discusses the recent discovery that our Milky Way has only two arms instead of four. I recommend this episode to everyone who enjoyed Pam's interview in Episode 14 of Books and Ideas and to all the fans of the Astronomy Cast.

Listen to Dr. Gay's Interview

Brains Matter is part of SCIENCEPODCASTERS.ORG. We recently moved our website, so be sure to update your book marks.

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Interview with Linguist Alice Gaby (BSP 41)

Episode 41 of the Brain Science Podcast is an interview with Alice Gaby, PhD, from the University of California-Berkeley. Dr. Gaby is a linguist who studies the role of language in cognition as well as the aboriginal languages of Australia. In this episode Dr. Gaby introduces some of the basic areas of linguistics. We also talk about why linguistics is important to understanding brain function, as well as the importance of interdisciplinary communication to advancement in both fields. Dr. Gaby's infectious enthusiasm makes this potentially intimidating subject accessible to everyone.

Listen to Episode 41 of the Brain Science Podcast

Visit the Brain Science Podcast website for more information, including detailed show notes and links.

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Dr. Eugenie Scott on Teaching Evolution (B&I 21)

Eugenie Scott, the Executive Director of the National Center for Science Education, was interviewed in Episode 21 of Books and Ideas. The focus of our conversation was the importance of teaching evolution in the public schools. Dr. Scott and the NCSE have worked for over 20 years to promote the teaching of evolution because it is an essential component of a modern education in the life sciences. Unfortunately, nearly 150 years after Darwin's On the Origin of Species (1859) many Americans still reject this fundamental idea and much of Scott's work is focused on trying to keep creationism and so-called Intelligent Design out of school curriculum. Recently the NCSE launched a very valuable site called Expelled Exposed, which focuses on exposing the many inaccuracies presented in Ben Stein's recent pro-intelligent design "documentary" Expelled. One of the things that has come out in numerous interviews is that the producers of the film mislead all the pro-evolution guests that appear in the film. We discuss this briefly near the end of the interview, but it was not the focus of our discussion. (see below for more links regarding Expelled) Since Dr. Scott has been interviewed about Expelled and Expelled Exposed on several other podcasts, I wanted to focus our interview more on the importance of accurate science education. Also, we discussed the fact that despite the claims of right-wing fundamentalists there are many Christians and people of other faiths who accept the theory of evolution as scientifically valid. Accepting evolution does not mean one is choosing atheism. I think this is a very important distinction because while atheists are outspoken in their support of evolution they represent a small minority. I was encouraged to learn from Dr. Scott that the NCSE is working closely with religious leaders and scientists of faith to try to educate their members. Since Books and Ideas reaches an international audience I thought that it was important that we discuss the origins of the evolution versus creationism controversy, which is unique to the United States. Scott does an excellent job of explaining how our unique religious heritage along with our locally controlled school systems combine to create a situation that most of the world find's rather mystifying. Her book Evolution vs. Creationism: An Introduction also provides an excellent overview of the subject from both an historical and scientific prospective. Finally, we talk about the importance of evolution as a basic idea in modern biology. While we didn't dwell on this, I think we are both concerned about the implications for the future if a majority of young Americans are reaching college without a solid foundation in the principles of evolution. We also talked about why intelligent design fails to meet the basic definition of a scientific theory since it provides no testable hypotheses. Dr. Scott also provides a excellent review of the basic writings for those who want to learn more.

Listen to Dr. Scott’s Interview

Episode Transcript (Download PDF)

Links and References: Other Books mentioned by Dr. Scott:
  • Of Pandas and People: The Central Question of Biological Origins by Percival Davis and Dean H. Kenyon : the 1989 textbook that introduced the term “intelligent design”
  • Darwin on Trial by Phillip E. Johnson, 1991.
  • Darwin’s Black Box: The Biochemical Challenge to Evolution by Michael J. Behe
  • The Design Inference: Eliminating Chance through Small Probabilities by William A. Dembski
  • Behe MJ, Snoke DW. 2004. Simulating evolution by gene duplication of protein features that require multiple amino acid residues. Protein Science 10:2651-64.
Responses to Expelled Exposed by Christians

Listen to Dr. Scott’s Interview

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Third Semi-annual Review Episode (BSP 40)

Episode 40 of the Brain Science Podcast is a look back at the highlights from the last six months. We have talked about numerous topics including brain plasticity, mirror neurons, language, brain rhythms, and the sense of smell. We talked with 9 guests and we have also explored the practical implications of neuroscience, including the importance of sleep and exercise to brain health. This brief review episode is intended for both new listeners and long-time subscribers.

Listen to Episode 40

For detailed show notes including links to all the resources discussed in the episode

please visit the Brain Science Podcast website

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Michael Arbib on Mirror Neurons (BSP 39)

Episode 39 of the Brain Science Podcast is an interview with Dr. Michael Arbib from the University of Southern California. Dr. Arbib's work with functional brain imaging has established the presence of mirror neurons in the human brain. In our interview we focused on the role of mirror neurons in imitation and language. In particular I questioned Dr. Arbib about the Mirror System Hypothesis (MSH) of Language Evolution that he proposed in 1998 with Giacomo Rizzolatti. We also explored how this hypothesis diverges from the universal grammar proposed by Noam Chomsky. Dr. Arbib also shared his enthusiasm for future research and we talked about the special challenges caused by the interdisciplinary nature of modern neuroscience.

Listen to the Interview

Related Episodes:

Click here for  detailed show notes including links and references

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Interview with Jeff Hawkins "On Intelligence" (BSP 38)

Jeff Hawkins Episode 38 of the Brain Science Podcast is an interview with Jeff Hawkins, author of On Intelligence. Hawkins is well-known for founding Palm Computing and Handspring. He invented the Grafitti handwriting recognition system and helped develop the Palm Trio SmartPhone. Since he published his bestseller On Intelligence, he has devoted his work to his passion for neuroscience. His current company Numenta is developing software that models the hierarchal structure of the neocortex. In this interview we talk about the ideas in Hawkins book and how he is applying them to develop a computer model of cortical function. This is a follow-up to Episode 2, which first aired in December of 2006.

Listen to Dr. Campbell interview Jeff Hawkins.

Links and References:

Jeff Hawkins: wikipedia entry Vernon Montcastle: pioneer who proposed that all parts of the brain's cortex work the same way.
  • Vernon Mountcastle (1978), "An Organizing Principle for Cerebral Function: The Unit Model and the Distributed System", The Mindful Brain (Gerald M. Edelman and Vernon B. Mountcastle, eds.) Cambridge, MA: MIT Press (Please let me know if you find this paper on-line!)
  • Perceptual Neuroscience: The Cerebral Cortex by Vernon B. Mountcastle. This 1998 is recommended by Jeff Hawkins, especially for those interested in the technical details of cortical function.
Redwood Institute for Theoretical Neuroscience (UC-Berkeley) founded by Jeff Hawkins Numenta: company website includes extensive educational information about hierarchical temporal memory system (HTM). The company's focus is practical implementation of HTM Theory.

Listen to Episode 38

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Mindfulness Meditation with Delany Dean (B&I 20)

Delany DeanEpisode 20 of Books and Ideas is an interview with forensic psychologist Delany Dean, PhD. Dr. Dean began her career as a criminal lawyer but his interest in the mind and the brain lead her to a second career as a clinical psychologist. Besides forensic psyschology she has extensive experience with therapies based on the use of mindfulness meditation. In this interview, Dr. Campbell and Dr. Dean share there personal experiences with meditation, and Dr. Dean explains why she feels mindfulness meditation provides a extremely valuable tool for helping people deal with a wide range of problems, including the stress that we all face from time to time. They also give practical advise for listeners interested in beginning a mindfulness practice.

Listen to Delany Dean's Interview.

Download Episode Transcript

Links and References:

Mind Expressions: Delany's Dean's blog Teachers and Scientists mentioned in the interview: Books and Other Resources for Beginners: You can find more references at the Brain Science Podcast Discussion Forum where there is on-going thread devoted to meditation and the Brain. There is also a section for discussing episodes of Books and Ideas.

Listen to Episode 20

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"Brain Rules" with Dr. John Medina (BSP 37)

John Medina, PhD Episode 37 of the Brain Science Podcast is an interview with Dr. John Medina, author of Brain Rules: 12 Principles for Surviving and Thriving at Work, Home, and School. We talk about how exercise, sleep, and stress effect our brains with an emphasis on practical advice for healthier brain function. We also look at how research on memory, vision and the brain's attention system suggests how we can improve our ability to learn and our ability to share ideas with others. Dr. Medina's focus is on considering real world examples of how our schools and work environments could be reformed to utilize the growing knowledge of neuroscience. But he also stresses the importance of compiling sufficient experimental data before embarking on new programs.

Listen to Episode 37 now (left click to listen, right click to download mp3).

Links and References: Brain Rules: 12 Principles for Surviving and Thriving at Work, Home, and School (Book & DVD) by John Medina The book's website contain extensive references and instructive videos. YouTube Video of John Medina speaking at Google™.

Listen to Brain Science Podcast #37

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