When The Observer’s Technology Editor, Patricia Clarke began investigating a new phenomenon initially dubbed ‘AI psychosis’, she found lives upended by long, intimate conversations with chatbots. But as she followed the evidence from a psychiatric ward in Bristol to the safety teams in Silicon Valley, a far darker story emerged.Guided by AI industry whistleblowers, grieving families and hundreds of pages of chatbot transcripts, Spiral exposes how big tech is running an unprecedented experiment on the human mind.To binge listen to all episodes today, ad-free, subscribe to The Observer and use the code AUDIO50 for 50% off an annual digital subscription.You'll get access to:This series and all our podcasts before anyone elseAd-free listeningA daily edition, curated by our editors 7 days a weekPuzzles from the inventors of the cryptic crosswordRecipes for every occasionFree tickets to join Observer events in our newsroom or onlineOr subscribe to Observer+ on Apple Podcasts and Spotify for access to this series and ad-free listening to Observer podcasts. Hosted on Acast. See acast.com/privacy for more information.