New neuroscience discoveries about consciousness keep popping up all the time — but where’s the line between abstract philosophy and hard science? Ben is joined by Bernard Baars, one of the founding fathers of the modern neuroscience of consciousness, to … Continue reading “The Hard Science of Consciousness Research” – Podcast 14: Bernard Baars
Ben is joined by all three of 2013’s Nobel Prize winners in the Physiology/Medicine category — James Rothman, Randy Schekman and Thomas Südhof! All three of these guys contributed crucial pieces to a longstanding puzzle: How, exactly, do our brain cells communicate with each other? Biologists had known since the 1960s that nerve cells pass chemical messages to one another inside hollow little globs of proteins called synaptic vesicles — and yet, as recently as the early 90s, no one had figured out much of anything about how this process worked. Meanwhile, as James Rothman and Randy Schekman plugged away … Continue reading “2013’s Nobel Prize Winners” — Podcast 11: James Rothman, Randy Schekman & Thomas Südhof
The basic “scaffolding” for the vertebrate brain has been found in an unexpected distant relative: a marine worm, a new study reports. The worm’s brain is much simpler than that of even the simplest vertebrates – but it contains three signaling centers almost identical to those found in the brains of vertebrate embryos. I leaped up and did a happy dance when I read this news, because it’s a clue to one of the greatest mysteries in neuroscience today. See, for most of science history, evolutionary biologists have found the vertebrate brain to be pretty enigmatic. The closest relatives of … Continue reading The Worm Did It!
I’ve just returned from a thrilling weekend at the BIL Conference in Long Beach, California (yes, the pun on “TED” is very intentional) where I met all kinds of smart, fun people – including lots of folks who share my love for braaaiiins! So I thought I’d introduce you guys to some of the friends I made. I think you’ll be as surprised – and as excited – as I am. Backyard Brains Their motto is “neuroscience for everyone” – how cool is that? They sell affordable kits that let you experiment at home with the nervous systems of insects … Continue reading Neuroscience Friends!
This photo got me thinking. Only 24 percent? Really? We’re finding weird new exoplanets every day – hell, NASA hasn’t even ruled out the possibility that there could be life on Europa and Titan, two moons in our own solar system – yet so many people have lost faith in space’s limitless potential to surprise us. But we’re entering an age when that potential is no longer the exclusive domain of first-world governments and media conglomerates. The fact that we even have a contest like Google’s X Prize proves that independent space exploration is becoming a very real possibility for … Continue reading Consider This an Invitation
Yes, it’s that special time of year again – time for flamboyant bouquets and chalky candy to appear at office desks – time for Facebook pages to drown in cloying iconography – time for self-labeled “forever aloners” to dredge the back alleys of OKCupid in last-ditch desperation – and time for me to load up my trusty gatling crossbow with oxytocin-tipped darts and hit the streets. Oh, and it’s time for everyone to complain about how misogynistic all this “Game” stuff is. So, while I guess I could write about, say, a new study that says cutting your romantic partner some slack can make him or … Continue reading Why I Love and Hate “Game”
A new kind of computer chip mimics the way a neuron learns, a new study reports. The 400-transistor chip simulates the activity of a single synapse – a connection between two neurons. Because of the chip’s complexity, it’s able to mimic a synapse’s plasticity – its ability to subtly change structure and function in response to new stimuli. For example, a synapse that repeatedly responds to an electric shock might, over time, become less sensitive to that shock. Thus, synaptic plasticity forms the basis of neural learning, well below the level of conscious processing. The human brain contains approximately 100 billion neurons, … Continue reading Silicon Synapses