They’re just tweaks, mainly. Changing taste in music or cuisine, you know, optimizing mate compatibility. It’s all completely reversible.” “There aren’t drugs for that?” “Nah. Too much developmental variation between brains; our targeting is really fine-scale. But it’s not all microsurgery and fried synapses, you know. You’d be surprised how much rewiring can be done noninvasively. You can start all sorts of cascades just by playing certain sounds in the right order, or showing images with the right balance of geometry and emotion.”
