Post #49 338 May 25, 2023, 12:00 UTC https://www.quantamagazine.org/is-it-real-or-imagined-how-your-brain-tells-the-difference-20230524/#science #psycho Quanta Magazine Is It Real or Imagined? How Your Brain Tells the Difference. New experiments show that the brain distinguishes between perceived and imagined mental images by checking whether they cross a “reality threshold.”