executive function

Gary Wilson's TEDxGlasgow talk argues that internet pornography hyperstimulates the brain's reward system and can cause symptoms that reverse when people stop. TED notes that several claims are not supported by respected academic studies.

Actress Claudia Christian tells how she overcame alcoholism using the Sinclair Method, which uses naltrexone to gradually reduce cravings. She discusses fresh perspectives on treating alcohol use disorder.

Johann Hari's TED talk arguing that addiction is driven largely by disconnection and environment rather than chemical hooks alone. He draws on his personal experience with addicted relatives and on research and policy examples from around the world.

Jon Ronson, author of The Psychopath Test, gives a TED talk on the blurry line between sane and crazy and on psychopathy as a spectrum, with stories of how the label gets applied.

Psychologist Kelly McGonigal argues in this TED talk that stress is harmful mainly if you believe it is, and that reaching out to others is an underrated way to reduce its effects.

Psychiatrist Daniel Amen discusses lessons from 83,000 brain scans, arguing that brain activity patterns relate to psychological symptoms and that you can improve your brain.

Robert Miles gives a remastered introduction to AI safety, adapted from a talk in London. It lays out why advanced AI could go wrong and answers common objections.

Andreas Antonopoulos argues that money has a fourth function beyond store of value, medium of exchange and unit of account, which is as a system of control. He covers the history of money and why it does not flow freely.

Steve Jobs's January 2007 MacWorld keynote segment introducing the original iPhone. He presents it as a widescreen iPod, a phone and an internet communicator in one device.

A short Supernova 2007 provocation in which Clay Shirky uses a 1300-year-old Japanese shrine, rebuilt periodically, as a metaphor for how networks change business and collective creativity.

Karen Sandler, then Executive Director of the GNOME Foundation, talks at OSCON 2011 about the risks of proprietary, closed-source software in implanted medical devices like her own pacemaker-defibrillator.