A year ago, for the third time in his life, cognitive scientist Anil Seth ceased to exist. He was having an operation, his brain filling with anesthetic, and he was feeling a sense of detachment, falling apart and coldness. And then he was back — drowsy and disoriented, but definitely there. “Anaesthesia is a modern […]
We may, as Joan Didion once wrote, tell ourselves stories in order to live—but Uri Hasson is looking for a few more reasons. The neuroscientist based at Princeton University researches the neurological basis of human communication and storytelling, and in session 11 at TED2016, he shows off some surprising findings. Functional magnetic resonance imaging (fMRI) […]
Neurologist and author Oliver Sacks died on Sunday, August 30, at age 82. He’d announced in February that he was in the final stages of terminal cancer, and wrote a beautiful essay in the New York Times about what that meant to him: Over the last few days, I have been able to see my life […]
Ray Kurzweil returns to the TED stage to explain his new (kind of old) theory of the mind. He first wrote his theory as a paper 50 years ago, but today there’s a plethora of new evidence to support it. First, a refresher on the story of the neocortex, which means “new rind.” Two hundred […]
Experiences we have all had: walking into a room with a tremendous sense of purpose, only to realize that you have completely forgotten what the purpose was. Talking to someone in a restaurant and losing the thread of your conversation because you’re distracted by the juicier one at the table next door. Slowing down as […]
When Roberto D’Angelo and Francesca Fideli discovered that their 10-day-old son, Mario, had suffered a stroke, they were shocked. Maria was unable to control the left side of his body and, to help their son, they opted to participate in a pilot program for mirror neuron rehabilitation. As they explain in the talk, mirror neuron […]
John Searle studies consciousness — which, as he points out in today’s talk, is a “curiously neglected subject in our scientific and philosophical culture.” Curiously — because it is, after all, a pre-condition for anything else we think about. And yet neglected — because consciousness is a subject that makes scientists huffy (they see it […]
In the most recent issue of Scientific American, Pawan Sinha shares the eye-opening experience that shook his worldview. When riding through the streets of New Delhi one night in 2002, Sinha’s cab slowed for a red light by a struggling family sitting on the side of the road. Both of the children, emaciated and barefoot, […]
For decades, scientists said that the human brain contains 100 billion neurons. However, when neuroscientist Suzana Herculano-Houzel hunted for the source of this often-quoted number, she couldn’t locate one. So she set out to count herself … by making brain soup. She brings a vial of brain soup with her onto the TEDGlobal 2013 stage. This […]
Elizabeth Loftus begins her talk at TEDGlobal 2013 with the tragic story of Steve Titus, who was arrested in 1980 because he sort of matched the physical description of, and drove a similar car to, a man who had raped a woman in his area. Looking at a photo lineup, the victim told police that […]
Neuroscientist Russell Foster opens a session of TEDGlobal all about … us, asking the question: Why do we sleep? Thirty-six percent of our lives are spent asleep, which means, if you live to 90, you’ll have slept for 32 years. But we don’t appreciate sleep enough, says Foster. He quotes Thomas Edison — “Sleep is […]
Above and slightly behind your right ear, exists a part of your brain many scientists believe is specifically dedicated to thinking about other people’s thoughts – to predicting them, reading them, and empathizing with them. It’s called the temporoparietal junction, and this is the area cognitive neuroscientist Rebecca Saxe focuses on in her research. At TEDGlobal […]
In the past 30 years, major advances have been made when it comes to treating several serious diseases. Today, there are 85% fewer deaths from leukemia and 63% fewer fatalities from heart disease than there were then. Meanwhile, while AIDS was once considered a death sentence, people with the disease can now live to old […]
Your brain is three and a half pounds of tissue — and yet it’s the key to everything you experience. The National Geographic Channel show Brain Games seeks to give a better understanding of it – by looking at how the brain focuses, processes fears, makes decisions and much more. The show is hosted by […]
Some staff picks of smart, funny, bizarre and cool stuff on the interwebs this week: Super-duper useful mandatory homework: Get a secure password now. As xkcd explains, most people’s approach to secure passwords (a word bastardized with “random” capital letters and punctuation that’s difficult to remember) is wrong. Now go get yourself a good password. […]
In his State of the Union address, US President Barack Obama teased the importance of mapping the human brain, hinting that it could be a good investment in the future. According to The New York Times, the president will soon announce a decade-long plan to support the comprehensive rendering of the brain as part of […]