The Brain’s Empathy Gap: [New York Times]
Can mapping neural pathways help us make friends with our enemies?
The Heslington Brain is a well-preserved 2600 year old brain that was found in an Iron Age excavation site in York in 2008. Its preservation was likely due to the low-oxygen environment of the mud in which it was found. The fact that the man was decapitated and the body disposed of elsewhere protected the brain from the ravages of gut bacteria as well. [more inside]
Repairing Bad Memories
[Daniela Schiller] explained how recent research, including her own, has shown that memories are not unchanging physical traces in the brain. Instead, they are malleable constructs that may be rebuilt every time they are recalled. The research suggests, she said, that doctors (and psychotherapists) might be able to use this knowledge to help patients block the fearful emotions they experience when recalling a traumatic event, converting chronic sources of debilitating anxiety into benign trips down memory lane. And then Schiller went back to what she had been doing, which was providing a slamming, rhythmic beat on drums and backup vocals for the Amygdaloids(previously), a rock band composed of New York City neuroscientists.[more inside]
Inspired by recent research on how boredom and mind-wandering contribute to creativity, public radio show New Tech City is launching a pro-boredom project. Bored and Brilliant invites participants to track how they use their phones to prevent moments of mental idleness, to try to reclaim free brain space and find oases of time, complete a week of creativity challenges, and contribute their responses to the conversation. BrainPickings' Maria Popova and artist Nina Katchadourian (who both joined the project's launch party to talk about how they"owe their careers" to boredom)and RadioLab's Jad Abumrad.
The Deep Mind of Demis Hassabis - "The big thing is what we call transfer learning. You've mastered one domain of things, how do you abstract that into something that's almost like a library of knowledge that you can now usefully apply in a new domain? That's the key to general knowledge. At the moment, we are good at processing perceptual information and then picking an action based on that. But when it goes to the next level, the concept level, nobody has been able to do that." (previously: 1,2) [more inside]
Locked-In Man - "Martin Pistorius spent more than a decade unable to move or communicate, fearing he would be alone, trapped, forever. NPR's new show Invisibilia tells how his mind helped him create a new life."
Portia is a jumping spider that eats other spiders, through complex layers[PDF] of visual recognition and planned, trial-and-error[PDF, html] movement, even losing sight of it's target. How does a hunter get to be smarter than the prey, while having the same number of neurons, not even as many as a honeybee? Well, that's the interesting part ... [more inside]
Could depression be an infectious disease? Might hallucinogenic mushrooms be an effective treatment for depression (New York Times link)? Do antipsychotic drugs hinder long-term recovery from episodes of schizophrenia?
How Tripping On Mushrooms Changes The Brain - "New research [pdf] suggests that psilocybin, the main psychoactive ingredient in magic mushrooms, sprouts new links across previously disconnected brain regions, temporarily altering the brain's entire organizational framework." [more inside]
What goes on in the brains of simultaneous interpreters. Miles told me about an agricultural meeting at which delegates discussed frozen bull’s semen; a French interpreter translated this as “matelot congelés”, or ‘deep-frozen sailors’. (via) [more inside]
"The patient tested negative for HIV, tuberculosis, lime disease, syphilis, coccidioides, histoplasma and cryptococcus." After four years of MRIs, a person's mysterious headaches, seizures and altered sense of smell and memory are diagnosed as a tapeworm growing throughout his brain.
How much is a brain worth to the NFL? FRONTLINE reporter Jason Breslow hosts a three minute video on the latest development between the NFL and former players. What's the monetary value of a human brain in this context? [more inside]
Time after time, professors in mathematics and the sciences have told me that building well-ingrained chunks of expertise through practice and repetition was absolutely vital to their succes Understanding doesn’t build fluency; instead, fluency builds understanding. In fact, I believe that true understanding of a complex subject comes only from fluency.
Direct brain-to-brain communication in humans has been demonstrated for the first time. DARPA begins work on miniaturized implants to control and regulate the nervous system. Researchers study using brain signals to operate drones. [more inside]
You invest so much in it, don't you? It's what elevates you above the beasts of the field, it's what makes you special. Homo sapiens, you call yourself. Wise Man. Do you even know what it is, this consciousness you cite in your own exaltation? Do you even know what it's for?Dr. Peter Watts is no stranger to MetaFilter. But look past his sardonic nuptials, heartbreaking eulogies, and agonizing run-ins with fascists (and fasciitis) and you'll find one of the most brilliant, compelling, and disquieting science fiction authors at work today. A marine biologist skilled at deep background research, his acclaimed 2006 novel Blindsight [full text] -- a cerebral "first contact" tale led by a diverse crew of bleeding-edge post-humans -- is diamond-hard and deeply horrifying, wringing profound existential dread from such abstruse concepts as the Chinese Room, the Philosophical Zombie, Chernoff faces, and the myriad quirks and blind spots that haunt the human mind. But Blindsight's last, shattering insight is not the end of the story -- along with crew/ship/"Firefall" notes, a blackly funny in-universe lecture on resurrecting sociopathic vampirism (PDF - prev.), and a rigorously-cited (and spoiler-laden) reference section, tomorrow will see the release of
Inside the Strange New World of DIY Brain Stimulation. "Inspired by scientific studies, ordinary people are buying and building devices to send electrical current into their brains. Some say it has improved their memory and focus. Others have found relief from depression and chronic pain. But are they getting ahead of the science?" [Via]
Thousands remain trapped between life and death. Three scientists are working to free them.
Another story from Mosaic Science via Longreads.
A Measure of Consciousness
Proof of Life
Another story from Mosaic Science via Longreads.
A Measure of Consciousness
Proof of Life
AJ Lindner, a 6-year-old fan of Spider Man and other superheroes, recently underwent surgery for brain cancer. Facing the start of chemotherapy, which requires him to keep out of the water, the avid young swimmer had one wish: he wanted to go surfing. But the waters off Long Island were too cold. After a plea for a child-sized wetsuit went out on Facebook, a “Justice League” of surfers went to work to fulfill the boy’s dream.
Twilight in the Box. "The suicide statistics, the squalor and the recidivism haven’t ended solitary confinement. Maybe the brain studies will." [Via]
In this teaching video, Suzanne Stensaas, Ph.D., demonstrates the properties and anatomy of an unfixed brain, showing its squishiness and vulnerability. [WARNING: The video contains graphic images, a human brain from a recent autopsy.]
After a TED Talk demonstration and a successful Kickstarter, Backyard Brains plans to release a kit instructing kids to strap a miniature backpack to cockroaches and insert electrodes into its brain, allowing the cockroach to be controlled by a smartphone app. Some scientists are less than pleased with the ethics of the project.
Nicholas Carr's latest article for The Atlantic posits that automation presents risks, specifically of losing skill and talent. "The lack of awareness and the degradation of know-how raise the odds that when something goes wrong, the operator will react ineptly. The assumption that the human will be the weakest link in the system becomes self-fulfilling."
Some sites are calling this the oldest brain found. However, there have been other finds and at least one major site in Florida that holds older remains. The trick now is to extract DNA and information that can aid in medical advances.
In a nutshell, this new study provides evidence that we need a certain amount of sleep every night, because the brain takes this time to rid itself of toxic metabolic byproducts, which would otherwise accumulate in the brain and impair brain function, destroy neurons — and potentially cause neurodegenerative disorders.
At the University of Washington, researchers have performed what they believe is the first noninvasive human-to-human brain interface. [more inside]
The New York Times is reporting that pressure from the NFL led ESPN to pull out of an investigative project with FRONTLINE regarding head injuries in American Football. The two-part investigative report and book will reveal how the NFL, over a period of nearly two decades, sought to cover up and deny mounting evidence of the connection between football and brain damage. ESPN has a $15.2 Billion deal with the NFL. (Football concussions previously: 1, 2, and 3)
Our Inconsistent Ethical Instincts
We like to believe that the principled side of the equation is rooted in deep, reasoned conviction. But a growing wealth of research shows that those values often prove to be finicky, inconsistent intuitions, swayed by ethically irrelevant factors. What you say now you might disagree with in five minutes. And such wavering has implications for both public policy and our personal lives.[more inside]
"There is no real independent self, aloof from other human beings, inspecting the world, inspecting other people. You are, in fact, connected not just via Facebook and internet, you’re actually quite literally connected by your neurons." — V S Ramachandran
"Maybe it's a sore point: your field should have an answer (people think you do) but there isn't one yet. Perhaps it's simple to pose but hard to answer. Or it's a question that belies a deep misunderstanding: the best answer is to question the question."
Is Psychometric g a Myth? - "As an online discussion about IQ or general intelligence grows longer, the probability of someone linking to statistician Cosma Shalizi's essay g, a Statistical Myth approaches 1. Usually the link is accompanied by an assertion to the effect that Shalizi offers a definitive refutation of the concept of general mental ability, or psychometric g." [more inside]
Karl Deisseroth and his team at Stanford University [previously] have developed a completely new technique to make a brain perfectly see-through. They call it CLARITY, and the result has to be seen to be believed. [more inside]
President Obama recently announced a big new effort to map and understand the human brain. [more inside]
NeuroBollocks: Debunking pseudo-neuroscience so you don't have to.
When Brain Damage Unlocks The Genius Within. [Single page view] "Brain damage has unleashed extraordinary talents in a small group of otherwise ordinary individuals. Will science find a way for everyone to tap their inner virtuoso?" [Via]
Researchers at Japan's National Institute of Genetics have succeeded in imaging neuronal activity in a fish's brain. They showed a genetically modified (to enable easier imaging) fish some food and "correlate[d] neuronal activity in the brain with prey capture behavior." The video is short but cool. (A link to the study abstract in Current Biology)
What does it mean to be conscious? The point of view of anesthesiology.
The newest segment in the Charlie Rose Brain Series, addressing Post-Traumatic Stress (SL Video) [more inside]
Deciphering the Tools of Nature’s Zombies: The ability of parasites to alter the behaviour of their hosts fascinates both scientists and non-scientists alike. One reason that this topic resonates with so many is that it touches on core philosophical issues such as the existence of free will. If the mind is merely a machine, then it can be controlled by any entity that understands the code and has access to the machinery. This special issue of The Journal of Experimental Biology highlights some of the best-understood examples of parasite-induced changes in host brain and behaviour, encompassing both invertebrate and vertebrate hosts and micro- and macro-parasites. Full issue annotated inside: [more inside]
The simulated brain - "First computer model to produce complex behaviour performs almost as well as humans at simple number tasks." [1,2,3,4,5,etc.]