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Study finds people flock, or behave similarly to others, despite reasoning abilities
Seth Frey et al. Cognitive mechanisms for human flocking dynamics, Journal of Computational Social Science (2018). DOI: 10.1007/s42001-018-0017-x
flocking  boids  behavior  human  crowd  market  intelligence  brain  social  cognition  games  psychology 
yesterday by cwr
Scientists Gave MDMA to Octopuses—and What Happened Was Profound
"“An octopus doesn’t have a cortex, and doesn’t have a reward circuit,” Dölen, assistant professor of neuroscience at Johns Hopkins University, told Gizmodo. “And yet it’s able to respond to MDMA and produce the same effects, in an animal with a totally different brain organization. To me, that means we really need to appreciate that the business end of these things is at the level of the molecule.”"
drugs  ocean  brain  people  life 
yesterday by ssam
Scientists Gave MDMA to Octopuses—and What Happened Was Profound
The scientists took this to mean that despite our vastly different brains, social behavior is built into the very molecules coded by our DNA, Dölen explained.

“An octopus doesn’t have a cortex, and doesn’t have a reward circuit,” Dölen, assistant professor of neuroscience at Johns Hopkins University, told Gizmodo. “And yet it’s able to respond to MDMA and produce the same effects, in an animal with a totally different brain organization. To me, that means we really need to appreciate that the business end of these things is at the level of the molecule.”
mdma  cool  science  serotonin  brain  body 
yesterday by craniac
To Build Truly Intelligent Machines, Teach Them Cause and Effect | Quanta Magazine
Judea Pearl, a pioneering figure in artificial intelligence, argues that AI has been stuck in a decades-long rut. His prescription for progress? Teach machines to understand the question why.
articles  causal_inference  brain 
4 days ago by gmisra
Are Digital Devices Altering Our Brains? - Scientific American
Some say our gadgets and computers can help improve intelligence. Others say they make us stupid and violent. Which is it?
brain  Cognition  computing  sciam 
5 days ago by jorgebarba

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