Merry Christmas...Today, we're diving into the nitty-gritty of ketamine – that mind-bending stuff, you know? So, ketamine's like this receptor blocker, messing with your brain's signals. It's a mixed bag, really. In low doses, it kills pain like a champ. But crank it up, and bam! You're in a world of dissociation. Picture it: brain's top half talking gibberish with the bottom half, and you're floating in a weird dream world.